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  • Question 1 - A 4-year-old girl is under your review for idiopathic constipation treatment with Movicol...

    Incorrect

    • A 4-year-old girl is under your review for idiopathic constipation treatment with Movicol Paediatric Plain. Despite her mother increasing the dose, there has been no improvement. The child is in good health and abdominal examination is unremarkable. What would be the most suitable course of action to take next?

      Your Answer: Add lactulose

      Correct Answer: Add senna

      Explanation:

      Understanding and Managing Constipation in Children

      Constipation is a common problem in children, with the frequency of bowel movements decreasing as they age. The National Institute for Health and Care Excellence (NICE) has provided guidelines for the diagnosis and management of constipation in children. A diagnosis of constipation is suggested by two or more symptoms, including infrequent bowel movements, hard stools, and associated distress or pain. Most cases of constipation in children are idiopathic, but other causes such as dehydration, low-fiber diet, and medication use should be considered and excluded.

      If a diagnosis of constipation is made, NICE recommends assessing for faecal impaction before starting treatment. Treatment for faecal impaction involves using polyethylene glycol 3350 + electrolytes (Movicol Paediatric Plain) as the first-line treatment, with the addition of a stimulant laxative if necessary. Maintenance therapy involves a similar regime, with adjustments to the starting dose and the addition of other laxatives if necessary.

      It is important to note that dietary interventions alone are not recommended as first-line treatment, although ensuring adequate fluid and fiber intake is important. Regular toileting and non-punitive behavioral interventions should also be considered. For infants, extra water, gentle abdominal massage, and bicycling the legs can be helpful for constipation. If these measures are not effective, lactulose can be added.

      In summary, constipation in children can be managed effectively with a combination of medication, dietary adjustments, and behavioral interventions. It is important to follow NICE guidelines and consider the individual needs of each child.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 2 - A 15-year-old girl comes to your clinic with concerns about not having started...

    Incorrect

    • A 15-year-old girl comes to your clinic with concerns about not having started her menstrual cycle yet. As her physician, you decide to investigate the reason for this delay. During the physical examination, you observe that she has low set ears and a short stature. What type of murmur are you likely to detect upon auscultation?

      Your Answer: Late systolic murmur

      Correct Answer: Ejection systolic murmur

      Explanation:

      An ejection systolic murmur is commonly heard in individuals with Turner’s syndrome, which is often caused by a bicuspid aortic valve. Therefore, this is the most probable answer. Aortic or pulmonary regurgitation can cause early diastolic murmurs, while AV stenosis is associated with late diastolic murmurs. Late systolic murmurs are linked to mitral regurgitation, and aortic stenosis is associated with a pansystolic murmur. Given the patient’s symptoms and characteristics, it is essential to consider heart defects or murmurs that are commonly associated with Turner’s syndrome.

      Understanding Turner’s Syndrome

      Turner’s syndrome is a genetic disorder that affects approximately 1 in 2,500 females. It is caused by the absence of one sex chromosome (X) or a deletion of the short arm of one of the X chromosomes. This condition is denoted as 45,XO or 45,X.

      The features of Turner’s syndrome include short stature, a shield chest with widely spaced nipples, a webbed neck, a bicuspid aortic valve (15%), coarctation of the aorta (5-10%), primary amenorrhea, cystic hygroma (often diagnosed prenatally), a high-arched palate, a short fourth metacarpal, multiple pigmented naevi, lymphoedema in neonates (especially feet), and elevated gonadotrophin levels. Hypothyroidism is much more common in Turner’s syndrome, and there is also an increased incidence of autoimmune disease (especially autoimmune thyroiditis) and Crohn’s disease.

      In summary, Turner’s syndrome is a chromosomal disorder that affects females and can cause a range of physical features and health issues. Early diagnosis and management can help individuals with Turner’s syndrome lead healthy and fulfilling lives.

    • This question is part of the following fields:

      • Paediatrics
      18.6
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  • Question 3 - A couple brings their 5 week old formula fed baby to the short...

    Correct

    • A couple brings their 5 week old formula fed baby to the short stay paediatric ward due to persistent non-bilious vomiting and increasing lethargy. However, the baby's appetite remains substantial. During examination, the baby appears pale and visible peristalsis is observed in the left upper quadrant. What is the probable diagnosis?

      Your Answer: Pyloric stenosis

      Explanation:

      This presentation may indicate the possibility of pyloric stenosis, as there are signs of visible peristalsis where the stomach is attempting to move its contents past the obstruction. The vomiting is non-bilious, which suggests that the obstruction is located before the second part of the duodenum where bile enters the digestive system. This is different from malrotation and duodenal atresia.

      Understanding Pyloric Stenosis

      Pyloric stenosis is a condition that usually occurs in infants between the second and fourth weeks of life. However, in rare cases, it may present later, up to four months. This condition is caused by the thickening of the circular muscles of the pylorus. Pyloric stenosis is more common in males, with an incidence of 4 per 1,000 live births. It is also more likely to affect first-borns and infants with a positive family history.

      The most common symptom of pyloric stenosis is projectile vomiting, which usually occurs about 30 minutes after a feed. Other symptoms may include constipation, dehydration, and a palpable mass in the upper abdomen. Prolonged vomiting can lead to hypochloraemic, hypokalaemic alkalosis, which can be life-threatening.

      Diagnosis of pyloric stenosis is typically made using ultrasound. Management of this condition involves a surgical procedure called Ramstedt pyloromyotomy. This procedure involves making a small incision in the pylorus to relieve the obstruction and allow for normal passage of food. With prompt diagnosis and treatment, infants with pyloric stenosis can make a full recovery.

    • This question is part of the following fields:

      • Paediatrics
      13
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  • Question 4 - A newborn is admitted to the paediatric cardiology intensive care unit with congenital...

    Incorrect

    • A newborn is admitted to the paediatric cardiology intensive care unit with congenital transposition of the great arteries (TGA) identified on pre-natal scans. The baby was delivered spontaneously at 38 weeks. What is the most crucial medication to administer until the neonate can undergo surgery in a few days?

      Your Answer: Corticosteroids

      Correct Answer: Alprostadil

      Explanation:

      To maintain a patent ductus arteriosus in cyanotic congenital heart diseases, prostaglandin E1 is recommended. This is particularly important in cases of transposition of the great arteries (TGA), where alprostadil is given to ensure some flow of oxygenated blood to the body. Neonatal apnoea is managed with caffeine, but it is not the primary medication used in TGA. Corticosteroids are administered to pregnant women at risk of premature birth to stimulate surfactant production in the neonatal lungs. NSAIDs such as ibuprofen and indomethacin can be used to close a persistent or symptomatic patent ductus arteriosus in babies.

      Cyanosis, a bluish discoloration of the skin, is a common occurrence in newborns. Peripheral cyanosis, which affects the hands and feet, is often seen in the first 24 hours of life and can be caused by crying or illness. Central cyanosis, on the other hand, is a more serious condition that occurs when the concentration of reduced hemoglobin in the blood exceeds 5g/dl. To differentiate between cardiac and non-cardiac causes of central cyanosis, doctors may use the nitrogen washout test, which involves giving the infant 100% oxygen for ten minutes and then measuring arterial blood gases. A pO2 of less than 15 kPa indicates cyanotic congenital heart disease, which can be caused by conditions such as tetralogy of Fallot, transposition of the great arteries, and tricuspid atresia.

      If cyanotic congenital heart disease is suspected, initial management involves supportive care and the use of prostaglandin E1, such as alprostadil, to maintain a patent ductus arteriosus in ductal-dependent congenital heart defects. This can serve as a temporary measure until a definitive diagnosis is made and surgical correction is performed.

      Acrocyanosis, a type of peripheral cyanosis, is a benign condition that is often seen in healthy newborns. It is characterized by bluish discoloration around the mouth and extremities, such as the hands and feet, and is caused by vasomotor changes that result in peripheral vasoconstriction and increased tissue oxygen extraction. Unlike other causes of peripheral cyanosis that may indicate significant pathology, such as septic shock, acrocyanosis occurs immediately after birth in healthy infants and typically resolves within 24 to 48 hours.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 5 - You are discussing conception with two parents who both have achondroplasia. They ask...

    Incorrect

    • You are discussing conception with two parents who both have achondroplasia. They ask you what the chances are that a child of theirs would be of average height. What is the appropriate answer?

      Your Answer: 0%

      Correct Answer: 25%

      Explanation:

      Understanding Achondroplasia

      Achondroplasia is a genetic disorder that is inherited in an autosomal dominant manner. It is caused by a mutation in the fibroblast growth factor receptor 3 (FGFR-3) gene, which leads to abnormal cartilage development. This results in short stature, with affected individuals having short limbs (rhizomelia) and shortened fingers (brachydactyly). They also have a large head with frontal bossing and a narrow foramen magnum, midface hypoplasia with a flattened nasal bridge, ‘trident’ hands, and lumbar lordosis.

      In most cases, achondroplasia occurs as a sporadic mutation, with advancing parental age at the time of conception being a risk factor. There is no specific therapy for achondroplasia, but some individuals may benefit from limb lengthening procedures. These procedures involve the application of Ilizarov frames and targeted bone fractures, with a clearly defined need and endpoint being essential for success.

      Overall, understanding achondroplasia is important for individuals and families affected by this condition. While there is no cure, there are treatment options available that can improve quality of life for those living with achondroplasia.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 6 - A 6 month old infant presents to the hospital with a fever. Upon...

    Correct

    • A 6 month old infant presents to the hospital with a fever. Upon examination, there are no respiratory symptoms or signs of diarrhea. What initial investigations would you include in your assessment?

      Your Answer: Blood culture

      Explanation:

      When evaluating infants under 3 months with a fever, the following tests should be conducted: a complete blood count, blood culture, C-reactive protein test, urine analysis to check for urinary tract infections, and a chest X-ray if respiratory symptoms are present. Additionally, a stool culture should be performed if the infant is experiencing diarrhea.

      The NICE Feverish illness in children guidelines were introduced in 2007 and updated in 2013. These guidelines use a ‘traffic light’ system to assess the risk of children under 5 years old presenting with a fever. It is important to note that these guidelines only apply until a clinical diagnosis of the underlying condition has been made. When assessing a febrile child, their temperature, heart rate, respiratory rate, and capillary refill time should be recorded. Signs of dehydration should also be looked for. Measuring temperature should be done with an electronic thermometer in the axilla if the child is under 4 weeks old or with an electronic/chemical dot thermometer in the axilla or an infrared tympanic thermometer.

      The risk stratification table includes green for low risk, amber for intermediate risk, and red for high risk. The table includes categories such as color, activity, respiratory, circulation and hydration, and other symptoms. If a child is categorized as green, they can be managed at home with appropriate care advice. If they are categorized as amber, parents should be provided with a safety net or referred to a pediatric specialist for further assessment. If a child is categorized as red, they should be urgently referred to a pediatric specialist. It is important to note that oral antibiotics should not be prescribed to children with fever without an apparent source, and a chest x-ray does not need to be routinely performed if a pneumonia is suspected but the child is not going to be referred to the hospital.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 7 - A 6-week-old baby is brought to the emergency department by their parent due...

    Correct

    • A 6-week-old baby is brought to the emergency department by their parent due to vomiting after every feed. The vomit is large in volume, non-bilious, and projectile. The parent reports that this started as small amounts of vomit and infrequent, but has become more frequent and increased in volume over the past week. Despite vomiting, the baby still appears eager to feed.
      During the examination, a small mass is felt in the upper right quadrant and a succussion splash is heard upon auscultation.
      The baby is admitted and undergoes an ultrasound which confirms the diagnosis of pyloric stenosis due to increased pyloric muscle thickness, length, volume, and transverse diameter.
      What is the recommended surgical intervention for this infant?

      Your Answer: Ramstedt pyloromyotomy

      Explanation:

      Understanding Pyloric Stenosis

      Pyloric stenosis is a condition that usually occurs in infants between the second and fourth weeks of life. However, in rare cases, it may present later, up to four months. This condition is caused by the thickening of the circular muscles of the pylorus. Pyloric stenosis is more common in males, with an incidence of 4 per 1,000 live births. It is also more likely to affect first-borns and infants with a positive family history.

      The most common symptom of pyloric stenosis is projectile vomiting, which usually occurs about 30 minutes after a feed. Other symptoms may include constipation, dehydration, and a palpable mass in the upper abdomen. Prolonged vomiting can lead to hypochloraemic, hypokalaemic alkalosis, which can be life-threatening.

      Diagnosis of pyloric stenosis is typically made using ultrasound. Management of this condition involves a surgical procedure called Ramstedt pyloromyotomy. This procedure involves making a small incision in the pylorus to relieve the obstruction and allow for normal passage of food. With prompt diagnosis and treatment, infants with pyloric stenosis can make a full recovery.

    • This question is part of the following fields:

      • Paediatrics
      10.8
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  • Question 8 - A 6-hour-old baby girl is assessed after being born at 37 weeks without...

    Incorrect

    • A 6-hour-old baby girl is assessed after being born at 37 weeks without any complications. The mother has not reported any issues and breastfeeding has been going smoothly. During the examination, the neonate appears to be in good condition. However, a blood glucose test reveals a reading of 2.0 mmol/L. What is the best course of action at this point?

      Your Answer: Admit to the neonatal unit for observation

      Correct Answer: Encourage continued breastfeeding

      Explanation:

      Dextrose is not the correct treatment option, except in cases where the baby is symptomatic or has extremely low glucose levels.

      Neonatal Hypoglycaemia: Causes, Symptoms, and Management

      Neonatal hypoglycaemia is a common condition in newborn babies, especially in the first 24 hours of life. While there is no agreed definition, a blood glucose level of less than 2.6 mmol/L is often used as a guideline. Transient hypoglycaemia is normal and usually resolves on its own, but persistent or severe hypoglycaemia may be caused by various factors such as preterm birth, maternal diabetes mellitus, IUGR, hypothermia, neonatal sepsis, inborn errors of metabolism, nesidioblastosis, or Beckwith-Wiedemann syndrome.

      Symptoms of neonatal hypoglycaemia can be autonomic, such as jitteriness, irritability, tachypnoea, and pallor, or neuroglycopenic, such as poor feeding/sucking, weak cry, drowsiness, hypotonia, and seizures. Other features may include apnoea and hypothermia. Management of neonatal hypoglycaemia depends on the severity of the condition and whether the newborn is symptomatic or not. Asymptomatic babies can be encouraged to feed normally and have their blood glucose monitored, while symptomatic or severely hypoglycaemic babies may need to be admitted to the neonatal unit and receive intravenous infusion of 10% dextrose.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 9 - A 3-week-old baby girl is brought to the emergency department due to continuous...

    Correct

    • A 3-week-old baby girl is brought to the emergency department due to continuous vomiting. According to the mother, the baby's vomiting is like a fountain. What is the most suitable investigation to confirm the suspected diagnosis?

      Your Answer: US Abdomen

      Explanation:

      Ultrasound is the key investigation for pyloric stenosis, as other methods such as abdominal x-ray, CT scans, TTG antibodies, and upper GI contrast study are less useful or not applicable for young children with this condition. The classic symptom of pyloric stenosis is forceful projectile vomiting.

      Understanding Pyloric Stenosis

      Pyloric stenosis is a condition that usually occurs in infants between the second and fourth weeks of life. However, in rare cases, it may present later, up to four months. This condition is caused by the thickening of the circular muscles of the pylorus. Pyloric stenosis is more common in males, with an incidence of 4 per 1,000 live births. It is also more likely to affect first-borns and infants with a positive family history.

      The most common symptom of pyloric stenosis is projectile vomiting, which usually occurs about 30 minutes after a feed. Other symptoms may include constipation, dehydration, and a palpable mass in the upper abdomen. Prolonged vomiting can lead to hypochloraemic, hypokalaemic alkalosis, which can be life-threatening.

      Diagnosis of pyloric stenosis is typically made using ultrasound. Management of this condition involves a surgical procedure called Ramstedt pyloromyotomy. This procedure involves making a small incision in the pylorus to relieve the obstruction and allow for normal passage of food. With prompt diagnosis and treatment, infants with pyloric stenosis can make a full recovery.

    • This question is part of the following fields:

      • Paediatrics
      5.7
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  • Question 10 - A 10-day-old preterm neonate is having difficulty tolerating cow's milk feeds administered by...

    Incorrect

    • A 10-day-old preterm neonate is having difficulty tolerating cow's milk feeds administered by the nurses in the special care baby unit. During the most recent feed, the neonate vomited and the nurse observed bile in the vomit. Although the stools are of normal consistency, the last stool contained fresh red blood. Upon examination, the neonate appears to be well hydrated, but the abdomen is significantly distended. An urgent abdominal x-ray is ordered, which reveals distended loops of bowel with thickening of the bowel wall. What is the next course of action in managing this situation?

      Your Answer: Continue oral feeds, switching to breast milk

      Correct Answer: Commence broad spectrum antibiotics

      Explanation:

      The infant in this scenario is likely suffering from bacterial necrotising enterocolitis, given their prematurity and symptoms. Immediate administration of broad spectrum antibiotics is necessary due to the severity of the condition. Therefore, the correct answer is option 2. While changing feeds may be helpful in preventing necrotising enterocolitis in bottle-fed infants, it is not useful in treating the condition once it has developed. While IV fluids are important for maintaining hydration, they are not as urgent as antibiotics in this case. Antenatal administration of erythromycin is intended to prevent necrotising enterocolitis, but it is not effective in treating the condition once it has developed.

      Understanding Necrotising Enterocolitis

      Necrotising enterocolitis is a serious condition that is responsible for a significant number of premature infant deaths. The condition is characterized by symptoms such as feeding intolerance, abdominal distension, and bloody stools. If left untreated, these symptoms can quickly progress to more severe symptoms such as abdominal discolouration, perforation, and peritonitis.

      To diagnose necrotising enterocolitis, doctors often use abdominal x-rays. These x-rays can reveal a number of important indicators of the condition, including dilated bowel loops, bowel wall oedema, and intramural gas. Other signs that may be visible on an x-ray include portal venous gas, pneumoperitoneum resulting from perforation, and air both inside and outside of the bowel wall. In some cases, an x-ray may also reveal air outlining the falciform ligament, which is known as the football sign.

      Overall, understanding the symptoms and diagnostic indicators of necrotising enterocolitis is crucial for early detection and treatment of this serious condition. By working closely with healthcare professionals and following recommended screening protocols, parents and caregivers can help ensure the best possible outcomes for premature infants at risk for this condition.

    • This question is part of the following fields:

      • Paediatrics
      2003.6
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  • Question 11 - A 25-year-old pregnant woman is worried about her fetus after a routine ultrasound...

    Correct

    • A 25-year-old pregnant woman is worried about her fetus after a routine ultrasound showed a large patent ductus arteriosus. She has read about indomethacin as a treatment option and wants to know more about the drug. What information will you provide her regarding the administration of indomethacin?

      Your Answer: It is given to the newborn if the echocardiogram shows patent ductus arteriosus one week after delivery

      Explanation:

      Indomethacin is the preferred treatment for patent ductus arteriosus (PDA) in newborns, administered postnatally rather than antenatally to the mother. PDA is a congenital heart condition characterized by a left-right shunt where blood flows from the aorta to the pulmonary vessel through the patent ductus arteriosus. Although newborns with PDA may appear normal, a continuous machine-like murmur can be detected upon auscultation. Premature babies are more likely to have PDA, which may spontaneously close in asymptomatic patients. Symptomatic babies undergo an echocardiogram a few days after birth to determine whether medical or surgical management is necessary. Medical management involves administering indomethacin or ibuprofen to the newborn, while prophylactic treatment immediately after delivery or administering medication to the mother has no role in PDA closure. Prostaglandin analogues can maintain ductus arteriosus patency after birth and are useful in managing certain congenital heart diseases.

      Patent ductus arteriosus is a type of congenital heart defect that is typically classified as ‘acyanotic’. However, if left untreated, it can eventually lead to late cyanosis in the lower extremities, which is known as differential cyanosis. This condition is caused by a connection between the pulmonary trunk and descending aorta that fails to close with the first breaths due to increased pulmonary flow that enhances prostaglandins clearance. Patent ductus arteriosus is more common in premature babies, those born at high altitude, or those whose mothers had rubella infection during the first trimester of pregnancy.

      The features of patent ductus arteriosus include a left subclavicular thrill, a continuous ‘machinery’ murmur, a large volume, bounding, collapsing pulse, a wide pulse pressure, and a heaving apex beat. To manage this condition, indomethacin or ibuprofen is given to the neonate, which inhibits prostaglandin synthesis and closes the connection in the majority of cases. If patent ductus arteriosus is associated with another congenital heart defect that is amenable to surgery, then prostaglandin E1 is useful to keep the duct open until after surgical repair.

    • This question is part of the following fields:

      • Paediatrics
      12.7
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  • Question 12 - Should all infants undergo hearing screening by their health visitor as part of...

    Incorrect

    • Should all infants undergo hearing screening by their health visitor as part of the 'Infant Hearing Screening Programme'? And if the results are abnormal, what is the next hearing test they will have?

      Your Answer: Pure tone audiometry as a newborn

      Correct Answer: Auditory Brainstem Response test as a newborn/infant

      Explanation:

      When a newborn baby’s hearing test at birth shows an abnormal result, they are recommended to undergo an auditory brainstem response test as a newborn or infant. Prior to being discharged from the hospital, all newborns should have an acoustic emission test, which involves placing a soft earpiece in the baby’s ear and playing quiet clicking sounds to detect inner ear responses. If this test yields abnormal results, the auditory brainstem response test is conducted using three sensors placed on the baby’s head and neck, along with soft headphones to play sounds and analyze the brain and hearing nerve responses. At 6-9 months of age, a distraction test is performed, and most areas in the UK conduct pure tone audiometry at school entry.

      Hearing Tests for Children

      Hearing tests are important for children to ensure that they are developing normally. There are several tests that may be performed on children of different ages. For newborns, an otoacoustic emission test is typically done as part of the Newborn Hearing Screening Programme. This test involves playing a computer-generated click through a small earpiece and checking for the presence of a soft echo, which indicates a healthy cochlea. If the results of this test are abnormal, an Auditory Brainstem Response test may be done.

      For infants between 6-9 months, a Distraction test may be performed by a health visitor with the help of two trained staff members. For children between 18 months to 2.5 years, a Recognition of familiar objects test may be used, which involves using familiar objects like a teddy or cup and asking the child simple questions like where is the teddy? For children over 2.5 years, Performance testing and Speech discrimination tests may be used, such as the Kendall Toy test or McCormick Toy Test. Pure tone audiometry is typically done at school entry in most areas of the UK for children over 3 years old.

      In addition to these tests, there is also a questionnaire for parents in the Personal Child Health Records called Can your baby hear you? It is important for parents to be aware of these tests and to have their child’s hearing checked regularly to ensure proper development.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 13 - A 7-year-old girl is brought to the pediatrician by her father. For the...

    Incorrect

    • A 7-year-old girl is brought to the pediatrician by her father. For the past few days, she has been experiencing pain while walking. Her father is concerned as this has never happened before and he cannot think of any reason for it.
      During the examination, the girl refuses to walk. Her vital signs are stable, except for a temperature of 38ºC. On examining her legs, there is no visible inflammation, but the left hip is tender. When attempting to move the left leg, the child screams in pain. The right leg appears to be normal. She has no medical history and is not taking any medications.
      What is the most appropriate management for the most likely diagnosis?

      Your Answer: Arrange urgent orthopaedic outpatient appointment

      Correct Answer: Advise to attend the emergency department

      Explanation:

      If a child is experiencing hip pain or a limp and has a fever, it is important to refer them for same-day assessment, even if the suspected diagnosis is transient synovitis.

      The correct course of action in this case is to advise the patient to attend the emergency department. Although the patient appears to be well, the presence of a fever raises concerns about septic arthritis, which can cause long-term complications. Further investigations cannot be performed in a general practice setting, making it necessary to seek urgent medical attention.

      Advising the patient to attend a local minor injury unit is not appropriate, as the staff there would most likely transfer the patient to an emergency department, causing unnecessary delays. Similarly, arranging an urgent orthopaedic outpatient appointment is not appropriate in this acute situation.

      Prescribing aspirin and providing a safety net is not a suitable option, as aspirin should never be given to children due to the risk of Reye’s syndrome. It is also unwise to exclude septic arthritis without further supporting evidence.

      Finally, growing pains are an unlikely diagnosis in this case, as they are typically bilateral and do not interfere with daily activities.

      Transient synovitis, also known as irritable hip, is a common cause of hip pain in children aged 3-8 years. It typically occurs following a recent viral infection and presents with symptoms such as groin or hip pain, limping or refusal to weight bear, and occasionally a low-grade fever. However, a high fever may indicate other serious conditions such as septic arthritis, which requires urgent specialist assessment. To exclude such diagnoses, NICE Clinical Knowledge Summaries recommend monitoring children in primary care with a presumptive diagnosis of transient synovitis, provided they are aged 3-9 years, well, afebrile, mobile but limping, and have had symptoms for less than 72 hours. Treatment for transient synovitis involves rest and analgesia, as the condition is self-limiting.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 14 - A 9-year-old girl presents to a general practice appointment with her mother complaining...

    Incorrect

    • A 9-year-old girl presents to a general practice appointment with her mother complaining of right-sided hip pain and occasional limp for the past month. The patient is feeling well, has no fever, and is in the 90th percentile for weight. She was born via spontaneous vertex vaginal delivery at term and had a normal newborn physical examination. On examination, there is limited range of motion in her right hip. A frog-leg hip x-ray is ordered, which reveals sclerosis of the right upper femoral epiphysis and moderate resorption of the femoral head. What is the most accurate diagnosis for this patient?

      Your Answer: The condition is associated with obesity

      Correct Answer: The condition is 5 times more common in boys

      Explanation:

      Perthes disease is a condition that primarily affects one hip, with only a minority of patients experiencing it in both hips. It is not associated with obesity, unlike slipped capital femoral epiphysis which is more common in overweight children. The management of Perthes disease typically involves conservative measures such as casting or bracing, although surgery may be necessary for older children or those with significant damage to the hip socket. The use of a Pavlik harness is not appropriate for treating Perthes disease, as it is typically used for developmental dysplasia of the hip.

      Understanding Perthes’ Disease

      Perthes’ disease is a degenerative condition that affects the hip joints of children, typically between the ages of 4-8 years. It is caused by a lack of blood supply to the femoral head, which leads to bone infarction and avascular necrosis. This condition is more common in boys, with around 10% of cases being bilateral. The symptoms of Perthes’ disease include hip pain, stiffness, reduced range of hip movement, and a limp. Early changes can be seen on an x-ray, such as widening of the joint space, while later changes include decreased femoral head size and flattening.

      To diagnose Perthes’ disease, a plain x-ray is usually sufficient. However, if symptoms persist and the x-ray is normal, a technetium bone scan or magnetic resonance imaging may be necessary. If left untreated, Perthes’ disease can lead to complications such as osteoarthritis and premature fusion of the growth plates.

      The severity of Perthes’ disease is classified using the Catterall staging system, which ranges from stage 1 (clinical and histological features only) to stage 4 (loss of acetabular integrity). Treatment options include keeping the femoral head within the acetabulum using a cast or braces, observation for children under 6 years old, and surgical management for older children with severe deformities. The prognosis for Perthes’ disease is generally good, with most cases resolving with conservative management. Early diagnosis is key to improving outcomes.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 15 - A 4-year-old girl presents to the emergency department with a cough and noisy...

    Correct

    • A 4-year-old girl presents to the emergency department with a cough and noisy breathing after experiencing coryzal symptoms for 2 days. Upon examination, she has intercostal recession, a cough, and harsh vibrating noise during inspiration. Although she is afebrile, her symptoms are concerning. What is the probable causative organism?

      Your Answer: Parainfluenza virus

      Explanation:

      Understanding Croup: A Respiratory Infection in Infants and Toddlers

      Croup is a type of upper respiratory tract infection that commonly affects infants and toddlers. It is characterized by a barking cough, fever, and coryzal symptoms, and is caused by a combination of laryngeal oedema and secretions. Parainfluenza viruses are the most common cause of croup. The condition typically peaks between 6 months and 3 years of age, and is more prevalent during the autumn season.

      The severity of croup can be graded based on the presence of symptoms such as stridor, cough, and respiratory distress. Mild cases may only have occasional barking cough and no audible stridor at rest, while severe cases may have frequent barking cough, prominent inspiratory stridor at rest, and marked sternal wall retractions. Children with moderate or severe croup, those under 6 months of age, or those with known upper airway abnormalities should be admitted to the hospital.

      Diagnosis of croup is usually made based on clinical presentation, but a chest x-ray may show subglottic narrowing, commonly referred to as the steeple sign. Treatment for croup typically involves a single dose of oral dexamethasone or prednisolone, regardless of severity. In emergency situations, high-flow oxygen and nebulized adrenaline may be necessary.

      Understanding croup is important for parents and healthcare providers alike, as prompt recognition and treatment can help prevent complications and improve outcomes for affected children.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 16 - A three-day-old baby who has not passed meconium is presenting with a distended...

    Incorrect

    • A three-day-old baby who has not passed meconium is presenting with a distended abdomen and vomiting green bile. A congenital condition affecting the rectum is suspected. What test is considered diagnostic in this case?

      Your Answer:

      Correct Answer: Rectal biopsy

      Explanation:

      This infant is diagnosed with Hirschsprung’s disease, a congenital abnormality that results in the absence of ganglion cells in the myenteric and submucosal plexuses. This condition affects approximately 1 in 5000 births and is characterized by delayed passage of meconium (more than 2 days after birth), abdominal distension, and bilious vomiting. Treatment typically involves rectal washouts initially, followed by an anorectal pull-through procedure that involves removing the affected section of bowel and creating an anastomosis with the healthy colon.

      Abdominal X-rays, abdominal ultrasounds, and contrast enemas may suggest the presence of Hirschsprung’s disease, as the affected section of bowel may appear narrow while other sections may be dilated. However, a rectal biopsy is necessary for a definitive diagnosis, as it allows for the analysis of tissue under a microscope to confirm the absence of ganglion cells.

      Paediatric Gastrointestinal Disorders

      Pyloric stenosis is more common in males and has a 5-10% chance of being inherited from parents. Symptoms include projectile vomiting at 4-6 weeks of life, and diagnosis is made through a test feed or ultrasound. Treatment involves a Ramstedt pyloromyotomy, either open or laparoscopic.

      Acute appendicitis is uncommon in children under 3 years old, but when it does occur, it may present atypically. Mesenteric adenitis causes central abdominal pain and URTI, and is treated conservatively.

      Intussusception occurs in infants aged 6-9 months and causes colicky pain, diarrhea, vomiting, a sausage-shaped mass, and red jelly stool. Treatment involves reduction with air insufflation.

      Intestinal malrotation is characterized by a high caecum at the midline and may be complicated by the development of volvulus. Diagnosis is made through an upper GI contrast study and ultrasound, and treatment involves laparotomy or a Ladd’s procedure.

      Hirschsprung’s disease occurs in 1/5000 births and is characterized by delayed passage of meconium and abdominal distension. Treatment involves rectal washouts and an anorectal pull through procedure.

      Oesophageal atresia is associated with tracheo-oesophageal fistula and polyhydramnios, and may present with choking and cyanotic spells following aspiration. Meconium ileus is usually associated with cystic fibrosis and requires surgery to remove plugs. Biliary atresia causes jaundice and increased conjugated bilirubin, and requires an urgent Kasai procedure. Necrotising enterocolitis is more common in premature infants and is treated with total gut rest and TPN, with laparotomy required for perforations.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 17 - A 2-day-old male is brought to the neonatal unit due to bilious vomiting...

    Incorrect

    • A 2-day-old male is brought to the neonatal unit due to bilious vomiting and decreased feeding. He was delivered without complications at 32 weeks gestation. An abdominal X-ray reveals intramural gas, prompting the cessation of oral feeding and initiation of broad-spectrum antibiotics. What is the most probable diagnosis?

      Your Answer:

      Correct Answer: Necrotising enterocolitis

      Explanation:

      Necrotising enterocolitis can be identified by the presence of pneumatosis intestinalis on an abdominal X-ray.

      Understanding Necrotising Enterocolitis

      Necrotising enterocolitis is a serious condition that is responsible for a significant number of premature infant deaths. The condition is characterized by symptoms such as feeding intolerance, abdominal distension, and bloody stools. If left untreated, these symptoms can quickly progress to more severe symptoms such as abdominal discolouration, perforation, and peritonitis.

      To diagnose necrotising enterocolitis, doctors often use abdominal x-rays. These x-rays can reveal a number of important indicators of the condition, including dilated bowel loops, bowel wall oedema, and intramural gas. Other signs that may be visible on an x-ray include portal venous gas, pneumoperitoneum resulting from perforation, and air both inside and outside of the bowel wall. In some cases, an x-ray may also reveal air outlining the falciform ligament, which is known as the football sign.

      Overall, understanding the symptoms and diagnostic indicators of necrotising enterocolitis is crucial for early detection and treatment of this serious condition. By working closely with healthcare professionals and following recommended screening protocols, parents and caregivers can help ensure the best possible outcomes for premature infants at risk for this condition.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 18 - As a doctor, you have been requested by a midwife to conduct a...

    Incorrect

    • As a doctor, you have been requested by a midwife to conduct a newborn examination on a 24-hour old infant. During the examination, the parents express concern about their baby's penis appearing abnormal and request your assistance. Upon inspection, you observe that the urethral meatus is situated on the ventral aspect of the glans and the prepuce is hooded. However, the baby has already passed urine with a strong stream, as noted by the midwife earlier in the day. What should be the doctor's next course of action?

      Your Answer:

      Correct Answer: Refer to a specialist for possible surgery around 12 months of life

      Explanation:

      It is recommended to refer a child with hypospadias to a specialist for possible surgery around the age of 12 months. This timing is considered optimal, taking into account various factors such as developmental milestones, tolerance of surgery and anesthesia, and the size of the penis. It is important to refer the child to a specialist at the time of diagnosis. Referring a child for surgery within the first month of life or within four hours is not necessary, as this is not an urgent or life-threatening issue. Hypospadias always requires a specialist referral, even if it is mild, and it is the specialist’s responsibility, along with the parents, to decide whether surgery is necessary. It is crucial to advise parents not to circumcise their child with hypospadias, as the prepuce may be used during corrective surgery.

      Understanding Hypospadias: A Congenital Abnormality of the Penis

      Hypospadias is a condition that affects approximately 3 out of 1,000 male infants. It is a congenital abnormality of the penis that is usually identified during the newborn baby check. However, if missed, parents may notice an abnormal urine stream. This condition is characterized by a ventral urethral meatus, a hooded prepuce, and chordee in more severe forms. The urethral meatus may open more proximally in the more severe variants, but 75% of the openings are distally located. There appears to be a significant genetic element, with further male children having a risk of around 5-15%.

      Hypospadias most commonly occurs as an isolated disorder, but it can also be associated with other conditions such as cryptorchidism (present in 10%) and inguinal hernia. Once hypospadias has been identified, infants should be referred to specialist services. Corrective surgery is typically performed when the child is around 12 months of age. It is essential that the child is not circumcised prior to the surgery as the foreskin may be used in the corrective procedure. In boys with very distal disease, no treatment may be needed. Understanding hypospadias is important for parents and healthcare providers to ensure proper management and treatment of this condition.

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      • Paediatrics
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  • Question 19 - A 6-year-old boy arrives at the Emergency Department with a high fever, difficulty...

    Incorrect

    • A 6-year-old boy arrives at the Emergency Department with a high fever, difficulty breathing, severe sore throat, and drooling of saliva. What is the best course of action for management?

      Your Answer:

      Correct Answer: Call the ear, nose and throat (ENT) surgeon/senior anaesthetist to secure her airway

      Explanation:

      Managing Acute Epiglottitis: Prioritizing Airway Security

      Acute epiglottitis is a medical emergency that requires immediate attention to secure the patient’s airway. While medical therapies and investigations are important, the priority should be given to securing the airway via endo-/nasotracheal intubation or tracheostomy guided by a senior anaesthetist and ENT surgeon. Oral instrumentation is contraindicated until the airway has been secured. Lateral neck X-ray may be useful in diagnosing less acute presentations, but in this case, the child requires intravenous broad-spectrum antibiotics and admission to an Intensive Therapy Unit/High-dependency Unit bed in the hospital. Intubating a child with acute epiglottitis can be challenging and should only be undertaken by an experienced anaesthetist.

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      • Paediatrics
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  • Question 20 - The parents of a 7-year-old boy seek your consultation regarding their son's lifelong...

    Incorrect

    • The parents of a 7-year-old boy seek your consultation regarding their son's lifelong bed wetting problem. They are worried that the issue is not improving despite his age. The boy has never had any daytime accidents and has regular bowel movements. He was potty-trained at the age of 3 and has no relevant family history except for hay fever. Physical examination shows no abnormalities, and urinalysis is normal. The parents are particularly concerned as their son is going on a camping trip with his friend's parents in 2 weeks, and they do not want him to wet the bed. What is the most appropriate management plan?

      Your Answer:

      Correct Answer: Give general advice on enuresis, reassure the parents that he is almost certain to grow out of the problem and prescribe desmopressin to be taken during the camping trip to prevent bedwetting

      Explanation:

      Managing Primary Enuresis in Children: Advice and Treatment Options

      Primary enuresis, or bedwetting, is a common condition affecting 15-20% of children. It is characterized by nocturnal enuresis without daytime symptoms and is thought to be caused by bladder dysfunction. However, parents can be reassured that most children will grow out of the problem by the age of 15, with only 1% continuing to have symptoms into adulthood.

      The first-line treatment for primary enuresis without daytime symptoms is an enuresis alarm combined with a reward system. Fluid should not be restricted, and the child should be involved in the management plan. However, if short-term control is required, a prescription of desmopressin can be given to children over 5 years of age.

      It is important to refer children to a pediatric urologist if they have primary enuresis with daytime symptoms or if two complete courses of either an enuresis alarm or desmopressin have failed to resolve the child’s symptoms.

      Overall, while there may be little that can be done to cure the problem prior to a camping trip, there are still treatment options available to manage primary enuresis in children.

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      • Paediatrics
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  • Question 21 - A 3-year-old child is brought to the paediatric emergency department with symptoms of...

    Incorrect

    • A 3-year-old child is brought to the paediatric emergency department with symptoms of malaise, rash, vomiting and fever. The mother reports that the child has not been eating well for the past day and has been running a low-grade temperature. Additionally, the mother points out a partial thickness burn on the child's arm that has been treated with dressings by their GP. What is the probable diagnosis?

      Your Answer:

      Correct Answer: Toxic shock syndrome

      Explanation:

      Differential diagnosis for an unwell child with an unhealed burn

      When a child with an unhealed burn appears acutely unwell, several life-threatening conditions must be considered and ruled out promptly. Among them, toxic shock syndrome and meningococcal septicaemia are particularly concerning and require urgent management in the intensive care unit. Anaphylaxis, although a rare possibility, should also be considered and treated promptly with intramuscular adrenaline. Haemophilus influenzae and Salmonella are less likely causes, as they typically present with respiratory or gastrointestinal symptoms, respectively, which are not evident in this case. A thorough assessment and appropriate interventions are crucial to ensure the best possible outcome for the child.

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      • Paediatrics
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  • Question 22 - During the baby check of Maya, a 4-day-old neonate delivered via Caesarean section...

    Incorrect

    • During the baby check of Maya, a 4-day-old neonate delivered via Caesarean section due to a breech position, both Barlows and Ortolani's tests are negative. What should be the next best step?

      Your Answer:

      Correct Answer: Perform a bilateral hip ultrasound at 4-6 weeks

      Explanation:

      The Importance of Bilateral Hip Ultrasound in Newborns with Risk Factors for Developmental Dysplasia of the Hip

      Babies with risk factors for developmental dysplasia of the hip require further investigation even if they test negative on Barlows and Ortolani’s tests. National guidelines recommend a bilateral hip ultrasound at 4-6 weeks for these infants. If the Barlow’s or Ortolani’s tests are abnormal, a scan should be done within 2 weeks. In cases where the baby was in the breech position at term but had negative test results, a hip ultrasound is still necessary. It is important to reassure parents that this is a normal procedure and that no treatment may be necessary. Bilateral hip radiographs are not useful in neonates and MRI is not used in the diagnosis of developmental dysplasia of the hip. Operative approaches are only recommended for patients over 18 months of age, and conservative approaches are preferred for younger children.

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      • Paediatrics
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  • Question 23 - A 9-week-old boy is presented to his GP by his parents who are...

    Incorrect

    • A 9-week-old boy is presented to his GP by his parents who are concerned about an undescended testis. The patient was born at term following an uncomplicated pregnancy and birth and has been healthy since birth. On examination, the left testicle is not palpable in the scrotal sac and is unretractable, while the right testicle has fully descended. What is the most suitable next step in managing this patient?

      Your Answer:

      Correct Answer: Review in 1 month

      Explanation:

      If a male child’s testes have not descended by 3 months of age, it is important to refer them for further evaluation. In the case of a 2-month-old child with a unilateral undescended testicle, the appropriate course of action is to review the situation again in 1 month. It is crucial to monitor the child’s condition as undescended testes can increase the risk of testicular cancer and infertility. While there is a chance that the testicle may descend on its own, it is important to ensure that it does so. Reassurance without follow-up would not be appropriate in this case. If the child were over 3 months of age, a routine referral would be necessary, but in this scenario, the child is only 2 months old. An urgent referral is not necessary at this stage. Waiting until the child is 1 year old to review the case would be inappropriate. If the testicle remains undescended by 3 months of age, the child should be referred to paediatric surgery for orchidopexy by 18 months of age.

      Undescended Testis: Causes, Complications, and Management

      Undescended testis is a condition that affects around 2-3% of male infants born at term, but it is more common in preterm babies. Bilateral undescended testes occur in about 25% of cases. This condition can lead to complications such as infertility, torsion, testicular cancer, and psychological issues.

      To manage unilateral undescended testis, NICE CKS recommends considering referral from around 3 months of age, with the baby ideally seeing a urological surgeon before 6 months of age. Orchidopexy, a surgical procedure, is typically performed at around 1 year of age, although surgical practices may vary.

      For bilateral undescended testes, it is crucial to have the child reviewed by a senior paediatrician within 24 hours as they may require urgent endocrine or genetic investigation. Proper management of undescended testis is essential to prevent complications and ensure the child’s overall health and well-being.

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      • Paediatrics
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  • Question 24 - A father brings his 7-year-old daughter to the GP. The father reports that...

    Incorrect

    • A father brings his 7-year-old daughter to the GP. The father reports that he has been struggling to manage his daughter's behaviour. He describes instances of her not following instructions, arguing frequently, and even getting into physical altercations. The GP refers the daughter to a paediatrician who may consider starting her on methylphenidate. What is a potential side effect of this medication?

      Your Answer:

      Correct Answer: Stunted growth

      Explanation:

      Methylphenidate may cause stunted growth as a side effect.

      A small percentage of patients taking methylphenidate may experience restricted growth, which is believed to be caused by a decrease in appetite. It is recommended that patients under the age of 10 have their weight and height monitored regularly. Other potential side effects of this medication include insomnia, weight loss, anxiety, nausea, and pain.

      In March 2018, NICE released new guidelines for identifying and managing Attention Deficit Hyperactivity Disorder (ADHD). This condition can have a significant impact on a child’s life and can continue into adulthood, making accurate diagnosis and treatment crucial. According to DSM-V, ADHD is characterized by persistent features of inattention and/or hyperactivity/impulsivity, with an element of developmental delay. Children up to the age of 16 must exhibit six of these features, while those aged 17 or over must exhibit five. ADHD has a UK prevalence of 2.4%, with a higher incidence in boys than girls, and there may be a genetic component.

      NICE recommends a holistic approach to treating ADHD that is not solely reliant on medication. After presentation, a ten-week observation period should be implemented to determine if symptoms change or resolve. If symptoms persist, referral to secondary care is necessary, typically to a paediatrician with a special interest in behavioural disorders or to the local Child and Adolescent Mental Health Service (CAMHS). A tailored plan of action should be developed, taking into account the patient’s needs and wants, as well as how their condition affects their lives.

      Drug therapy should be considered a last resort and is only available to those aged 5 years or older. Parents of children with mild/moderate symptoms can benefit from attending education and training programmes. For those who do not respond or have severe symptoms, pharmacotherapy may be considered. Methylphenidate is the first-line treatment for children and should be given on a six-week trial basis. It is a CNS stimulant that primarily acts as a dopamine/norepinephrine reuptake inhibitor. Side effects include abdominal pain, nausea, and dyspepsia. Weight and height should be monitored every six months in children. If there is an inadequate response, lisdexamfetamine should be considered, followed by dexamfetamine if necessary. In adults, methylphenidate or lisdexamfetamine are the first-line options, with switching between drugs if no benefit is seen after a trial of the other. All of these drugs are potentially cardiotoxic, so a baseline ECG should be performed before starting treatment, and referral to a cardiologist should be made if there is any significant past medical history or family history, or any doubt or ambiguity.

      As with most psychiatric conditions, a thorough history and clinical examination are essential, particularly given the overlap of ADHD with many other psychiatric and

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  • Question 25 - During your ward round on the paediatric unit you review a 7-year-old African...

    Incorrect

    • During your ward round on the paediatric unit you review a 7-year-old African American male who has been admitted for chemotherapy as he has recently been diagnosed with acute lymphoblastic leukaemia (ALL). His father anxiously asks you what his chance of survival is and how you determine this.

      Upon reviewing the patient's medical records, you notice that he is on the 10th percentile for weight and the 25th percentile for height. His white cell count at diagnosis was 15 * 10^9/l and there were no noted T or B cell markers on his blood film.

      What is the poor prognostic factor in this case?

      Your Answer:

      Correct Answer: Male sex

      Explanation:

      Male gender is identified as a negative prognostic factor, while being Caucasian does not have a significant impact on prognosis. Other factors that may indicate a poor prognosis include presenting with the disease either less than two years or more than ten years after onset, having B or T cell surface markers, and having a white blood cell count greater than 20 billion per liter at the time of diagnosis.

      Acute lymphoblastic leukaemia (ALL) is a type of cancer that commonly affects children and accounts for 80% of childhood leukaemias. It is most prevalent in children between the ages of 2-5 years, with boys being slightly more affected than girls. Symptoms of ALL can be divided into those caused by bone marrow failure, such as anaemia, neutropaenia, and thrombocytopenia, and other features like bone pain, splenomegaly, and hepatomegaly. Fever is also present in up to 50% of new cases, which may indicate an infection or a constitutional symptom. Testicular swelling may also occur.

      There are three types of ALL: common ALL, T-cell ALL, and B-cell ALL. Common ALL is the most common type, accounting for 75% of cases, and is characterized by the presence of CD10 and a pre-B phenotype. Poor prognostic factors for ALL include age less than 2 years or greater than 10 years, a white blood cell count greater than 20 * 109/l at diagnosis, T or B cell surface markers, non-Caucasian ethnicity, and male sex.

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  • Question 26 - A 6-month-old girl with poor weight gain is brought to see the pediatrician....

    Incorrect

    • A 6-month-old girl with poor weight gain is brought to see the pediatrician. Her growth has slowed crossing 1 centile but her weight has fallen from 50th to 9th centile in the last two months.
      She began weaning at 4 months with a variety of foods. Her mother says she eats well and has no other specific symptoms. On examination she appears emaciated with abdominal distension. She is rolling over and making appropriate cooing sounds.
      What is the probable diagnosis?

      Your Answer:

      Correct Answer: Gluten-sensitive enteropathy

      Explanation:

      Coeliac Disease and Failure to Thrive in Children

      Coeliac disease is a condition that usually appears after weaning and is characterized by gastrointestinal symptoms and weight loss. In children, failure to thrive may be a sign of coeliac disease, especially if they eat well and have been weaned at an appropriate age. Abdominal distension, vomiting, diarrhoea, and weight loss are the most common symptoms of coeliac disease, but it can also present with muscle wasting, anaemia, and vitamin deficiencies.

      Cystic fibrosis is another condition that can cause failure to thrive, but it typically presents with a history of respiratory infections or meconium ileus in childhood. If tests for coeliac disease are negative, cystic fibrosis may be considered. Cushing’s syndrome can cause central adiposity with muscle wasting, but it is not the same as abdominal distension. Hyperthyroidism is extremely rare during infancy, and lactose intolerance presents with marked vomiting and diarrhoea, which is not consistent with the timing of weaning seen in coeliac disease.

      In summary, failure to thrive in children may be a sign of coeliac disease, especially if they have been weaned at an appropriate age and are eating well. Other conditions, such as cystic fibrosis, Cushing’s syndrome, hyperthyroidism, and lactose intolerance, should also be considered and ruled out through appropriate testing.

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      • Paediatrics
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  • Question 27 - A concerned mother brings her 4-year-old child to the Emergency Department with a...

    Incorrect

    • A concerned mother brings her 4-year-old child to the Emergency Department with a ‘barking cough’. The child has been experiencing ‘noisy breathing’ and a fever for the past 48 hours. The child is eating and drinking, but not as much as usual. The child is urinating regularly and has no significant medical history. Upon examination, the child is alert, well, and smiling. The child is clearly suffering from a cold. There is no stridor, and vital signs are normal. The chest is clear, without signs of recession. The diagnosis is croup.

      What is the most appropriate course of action?

      Your Answer:

      Correct Answer: Give a single dose of dexamethasone orally, and discharge home with clear advice on the signs of worsening croup

      Explanation:

      Croup is a viral illness that affects young children, causing a sudden-onset barking cough and upper airway inflammation. Mild cases can be treated with a single dose of oral dexamethasone, while moderate to severe cases require admission and nebulised adrenaline. This child has mild croup and should be given a single dose of oral dexamethasone before being discharged home with clear instructions on when to seek further medical attention. If the child develops any signs of respiratory distress, they should be taken to the Emergency Department immediately.

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      • Paediatrics
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  • Question 28 - A 5-year-old boy is presented to the clinic by his mother who has...

    Incorrect

    • A 5-year-old boy is presented to the clinic by his mother who has observed a tiny lesion at the outer corner of his eye. During the examination, a small cystic structure is noticed which appears to have been recently infected. Upon removing the scab, hair is visible within the lesion. What is the probable diagnosis?

      Your Answer:

      Correct Answer: Dermoid cyst

      Explanation:

      Dermoid cysts typically develop in children and are found at locations where embryonic fusion occurred. These cysts can contain various types of cells. It is improbable that the growth in question is a desmoid cyst, as they rarely occur in this age group or at this location, and do not contain hair. Sebaceous cysts usually have a small opening and contain a cheesy substance, while epidermoid cysts contain keratin plugs.

      Dermoid Cysts vs. Desmoid Tumours

      Dermoid cysts and desmoid tumours are two distinct medical conditions that should not be confused with each other. Dermoid cysts are cutaneous growths that usually appear in areas where embryonic development has occurred. They are commonly found in the midline of the neck, behind the ear, and around the eyes. Dermoid cysts are characterized by multiple inclusions, such as hair follicles, that protrude from their walls. In contrast, desmoid tumours are aggressive fibrous tumours that can be classified as low-grade fibrosarcomas. They often present as large infiltrative masses and can be found in different parts of the body.

      Desmoid tumours can be divided into three types: abdominal, extra-abdominal, and intra-abdominal. All types share the same biological features and can be challenging to treat. Extra-abdominal desmoids are equally common in both sexes and usually develop in the musculature of the shoulder, chest wall, back, and thigh. Abdominal desmoids, on the other hand, tend to arise in the musculoaponeurotic structures of the abdominal wall. Intra-abdominal desmoids are more likely to occur in the mesentery or pelvic side walls and are often seen in patients with familial adenomatous polyposis coli syndrome.

      In summary, while dermoid cysts and desmoid tumours may sound similar, they are entirely different conditions. Dermoid cysts are benign growths that usually occur in specific areas of the body, while desmoid tumours are aggressive fibrous tumours that can be found in different parts of the body and can be challenging to treat.

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      • Paediatrics
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  • Question 29 - Which one of the following is not a risk factor for developmental dysplasia...

    Incorrect

    • Which one of the following is not a risk factor for developmental dysplasia of the hip?

      Your Answer:

      Correct Answer: Afro-Caribbean origin

      Explanation:

      Developmental dysplasia of the hip (DDH) is a condition that affects 1-3% of newborns and is more common in females, firstborn children, and those with a positive family history or breech presentation. It used to be called congenital dislocation of the hip (CDH). DDH is more often found in the left hip and can be bilateral in 20% of cases. Screening for DDH is recommended for infants with certain risk factors, and all infants are screened using the Barlow and Ortolani tests at the newborn and six-week baby check. Clinical examination includes testing for leg length symmetry, restricted hip abduction, and knee level when hips and knees are flexed. Ultrasound is used to confirm the diagnosis if clinically suspected, but x-ray is the first line investigation for infants over 4.5 months. Management includes the use of a Pavlik harness for children under 4-5 months and surgery for older children with unstable hips.

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  • Question 30 - A 23-year-old woman with a history of bipolar disorder gives birth to a...

    Incorrect

    • A 23-year-old woman with a history of bipolar disorder gives birth to a baby girl at home. She received no prenatal care, but when she found out she was pregnant, she started taking prenatal vitamins that she got from the pharmacist. Her only medication is valproic acid. It is 2 days since the birth, and the mother has brought her baby to the Emergency Department because she has become impossible to arouse. On examination, the baby is estimated to have been born at 35 weeks’ gestation. The baby is afebrile, with stable vital signs. A head ultrasound through the fontanelle shows an intracerebral haemorrhage in the germinal matrix. There are no calcifications. Retinal examination does not show petechial haemorrhages. A full skeletal survey is negative.
      What is the most likely pathophysiologic mechanism underlying this baby’s haemorrhage?

      Your Answer:

      Correct Answer: Vitamin K deficiency

      Explanation:

      Causes of Periventricular Hemorrhage in Neonates

      Periventricular hemorrhage is a common condition in neonates that can lead to neurological damage. There are several possible causes of this condition, including vitamin K deficiency, folate deficiency from valproic acid treatment, congenital cytomegalovirus, congenital toxoplasmosis, and congenital herpes simplex virus.

      Vitamin K deficiency is a natural occurrence in neonates as they do not have established gut bacteria that produce this vitamin. Vitamin K is essential for the production of clotting factors and anticoagulant proteins. Therefore, neonates born in hospitals are usually injected with vitamin K to prevent periventricular hemorrhage.

      Folate deficiency from valproic acid treatment is a common cause of neural tube defects but does not lead to periventricular hemorrhage. Prenatal vitamins usually contain folate, which can prevent this deficiency.

      Congenital cytomegalovirus and congenital toxoplasmosis can cause periventricular hemorrhage, but they are also accompanied by other congenital abnormalities, such as intracerebral calcifications.

      Congenital herpes simplex virus can cause periventricular hemorrhage and neurological damage, but it also causes a diffuse vesicular rash and other symptoms.

    • This question is part of the following fields:

      • Paediatrics
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