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  • Question 1 - You are summoned to the delivery room for the forceps delivery of a...

    Correct

    • You are summoned to the delivery room for the forceps delivery of a baby of 37 week gestation who experienced fetal distress during labour. The attending obstetrician passes the baby to you for resuscitation. What is the initial step?

      Your Answer: Dry the baby

      Explanation:

      Can you rephrase the algorithm for newborn resuscitation recommended by the UK resuscitation council?

      After birth, the first step is to dry the baby, maintain their temperature, and start timing. Next, assess the baby’s tone, breathing, and heart rate. If the baby is gasping or not breathing, open their airway and give five inflation breaths. Then, reassess the heart rate. If there is no increase, check the chest movement to ensure the inflation breaths are adequate. If the chest is not moving, recheck the head position, consider two-person airway control, and repeat the inflation breaths. If the chest is moving but the heart rate is still undetectable or less than 60 beats per minute, start chest compressions at a ratio of 3 compressions to 1 inflation breath (3:1). Reassess the heart rate every 30 seconds, and if it is still undetectable or very slow, consider IV access and drugs.

      The Apgar score is a tool used to evaluate the health of a newborn baby. It is recommended by NICE to be assessed at 1 and 5 minutes after birth, and again at 10 minutes if the initial score is low. The score is based on five factors: pulse, respiratory effort, color, muscle tone, and reflex irritability. A score of 0-3 is considered very low, 4-6 is moderate low, and 7-10 indicates that the baby is in good health. The score helps healthcare professionals quickly identify any potential issues and provide appropriate care.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 2 - A 6-year-old male is brought to his pediatrician by his father who is...

    Correct

    • A 6-year-old male is brought to his pediatrician by his father who is worried that he may have an infection. He reports that for the past 5 days his son has been scratching his anal and genital area, especially at night. He has also noticed some 'white threads' in his son's stool which he is very concerned about.

      What is the most suitable course of action based on the probable diagnosis?

      Your Answer: Single dose of oral mebendazole for the entire household and hygiene advice

      Explanation:

      The most likely diagnosis in this case is a threadworm infection, which commonly affects young children and can cause anal and vulval itching. Threadworms can be seen in faeces and appear as white thread-like pieces. The recommended first-line treatment for threadworm infection is a single dose of mebendazole, and it is advised that all members of the household receive treatment due to the high risk of transmission. In addition to medication, hygiene measures such as frequent hand-washing, washing of bedding and towels, and disinfecting surfaces should also be recommended. It is important to note that hygiene advice alone is not sufficient to eradicate the infection. Administering mebendazole to only the affected individual or for a prolonged period of time is also incorrect.

      Threadworm Infestation in Children

      Threadworm infestation, caused by Enterobius vermicularis or pinworms, is a common occurrence among children in the UK. The infestation happens when eggs present in the environment are ingested. In most cases, threadworm infestation is asymptomatic, but some possible symptoms include perianal itching, especially at night, and vulval symptoms in girls. Diagnosis can be made by applying Sellotape to the perianal area and sending it to the laboratory for microscopy to see the eggs. However, most patients are treated empirically, and this approach is supported in the CKS guidelines.

      The CKS recommends a combination of anthelmintic with hygiene measures for all members of the household. Mebendazole is the first-line treatment for children over six months old, and a single dose is given unless the infestation persists. It is essential to treat all members of the household to prevent re-infection. Proper hygiene measures, such as washing hands regularly, keeping fingernails short, and washing clothes and bedding at high temperatures, can also help prevent the spread of threadworm infestation.

    • This question is part of the following fields:

      • Paediatrics
      14.5
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  • Question 3 - You are asked to evaluate a 3 day-old neonate who was born 2...

    Incorrect

    • You are asked to evaluate a 3 day-old neonate who was born 2 weeks premature after a premature rupture of membranes. The infant has not passed meconium in the first 24 hours and has started vomiting. During the examination, you observe one episode of vomiting that is green in color, indicating bile. The baby appears irritable with a visibly distended abdomen, but has normal oxygen saturation and no fever. Palpation of the abdomen causes further discomfort, but no discrete mass is detected. What is the most probable underlying condition?

      Your Answer: Pyloric stenosis

      Correct Answer: Cystic fibrosis

      Explanation:

      The presented history indicates a possible case of meconium ileus, where the thickened meconium caused a blockage in the small intestine due to cystic fibrosis. The neonate is likely to have a swollen abdomen and may not pass meconium. Vomiting may contain bile, which is different from pyloric stenosis that does not have bile. Additionally, there is no indication of intussusception or pyloric stenosis mass.

      Cystic Fibrosis: Symptoms and Characteristics

      Cystic fibrosis is a genetic disorder that affects various organs in the body, particularly the lungs and digestive system. The symptoms of cystic fibrosis can vary from person to person, but there are some common features that are often present. In the neonatal period, around 20% of infants with cystic fibrosis may experience meconium ileus, which is a blockage in the intestine caused by thick, sticky mucous. Prolonged jaundice may also occur, but less commonly. Recurrent chest infections are a common symptom, affecting around 40% of patients. Malabsorption is another common feature, with around 30% of patients experiencing steatorrhoea (excessive fat in the stool) and failure to thrive. Liver disease may also occur in around 10% of patients.

      It is important to note that while many patients are diagnosed with cystic fibrosis during newborn screening or early childhood, around 5% of patients are not diagnosed until after the age of 18. Other features of cystic fibrosis may include short stature, diabetes mellitus, delayed puberty, rectal prolapse (due to bulky stools), nasal polyps, male infertility, and female subfertility. Overall, the symptoms and characteristics of cystic fibrosis can vary widely, but early diagnosis and treatment can help manage the condition and improve quality of life.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 4 - A 12-year-old female presents to her GP complaining of fatigue, weight loss, frequent...

    Incorrect

    • A 12-year-old female presents to her GP complaining of fatigue, weight loss, frequent urination, and excessive thirst. Her random plasma glucose level is 15 mmol/litre. The patient has a pre-existing condition since childhood that may be responsible for these symptoms. What is the most probable underlying condition?

      Your Answer: Congenital adrenal hyperplasia

      Correct Answer: Cystic fibrosis

      Explanation:

      The onset of diabetes in a young person, as described in this presentation, is a classic symptom and has been confirmed by a random blood glucose level of >11 mmol/L. Among the given options, only cystic fibrosis has the potential to cause the development of diabetes. Cystic fibrosis typically manifests in childhood with respiratory symptoms, but as the disease progresses, other symptoms may appear. If the pancreas is affected, it can lead to the development of diabetes mellitus. However, it may take some time for the pancreas to be affected enough to cause diabetes, which is why children with cystic fibrosis may develop diabetes later in life. While the other conditions listed may cause fatigue or weight loss, they do not typically result in polyuria or polydipsia.

      Cystic Fibrosis: Symptoms and Characteristics

      Cystic fibrosis is a genetic disorder that affects various organs in the body, particularly the lungs and digestive system. The symptoms of cystic fibrosis can vary from person to person, but there are some common features that are often present. In the neonatal period, around 20% of infants with cystic fibrosis may experience meconium ileus, which is a blockage in the intestine caused by thick, sticky mucous. Prolonged jaundice may also occur, but less commonly. Recurrent chest infections are a common symptom, affecting around 40% of patients. Malabsorption is another common feature, with around 30% of patients experiencing steatorrhoea (excessive fat in the stool) and failure to thrive. Liver disease may also occur in around 10% of patients.

      It is important to note that while many patients are diagnosed with cystic fibrosis during newborn screening or early childhood, around 5% of patients are not diagnosed until after the age of 18. Other features of cystic fibrosis may include short stature, diabetes mellitus, delayed puberty, rectal prolapse (due to bulky stools), nasal polyps, male infertility, and female subfertility. Overall, the symptoms and characteristics of cystic fibrosis can vary widely, but early diagnosis and treatment can help manage the condition and improve quality of life.

    • This question is part of the following fields:

      • Paediatrics
      41.8
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  • Question 5 - A 41-year-old female with a history of Leber's optic atrophy visits her doctor....

    Incorrect

    • A 41-year-old female with a history of Leber's optic atrophy visits her doctor. She and her husband are planning to have children and she wants to know the likelihood of passing on her condition. She vaguely remembers her geneticist mentioning something about mitochondria but can't recall the specifics of the inheritance pattern. Assuming her husband does not carry the same gene defect, what is the chance that their child will inherit the condition?

      Your Answer: 25%

      Correct Answer: 0%

      Explanation:

      Mitochondrial disorders encompass a range of conditions, such as leigh syndrome, mitochondrial diabetes, MELAS syndrome, and MERFF syndrome.

      Mitochondrial Diseases: Inheritance and Histology

      Mitochondrial diseases are caused by mutations in the small amount of double-stranded DNA present in the mitochondria. This DNA encodes protein components of the respiratory chain and some special types of RNA. Mitochondrial inheritance has unique characteristics, including inheritance only via the maternal line and none of the children of an affected male inheriting the disease. However, all of the children of an affected female will inherit the disease. These diseases generally encode rare neurological diseases and have a poor genotype-phenotype correlation due to heteroplasmy, where different mitochondrial populations exist within a tissue or cell.

      Histologically, muscle biopsy shows red, ragged fibers due to an increased number of mitochondria. Some examples of mitochondrial diseases include Leber’s optic atrophy, MELAS syndrome (mitochondrial encephalomyopathy lactic acidosis and stroke-like episodes), MERRF syndrome (myoclonus epilepsy with ragged-red fibers), Kearns-Sayre syndrome (onset in patients < 20 years old, external ophthalmoplegia, retinitis pigmentosa, and ptosis may be seen), and sensorineural hearing loss.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 6 - A 5-year-old girl is seen by the orthopaedic specialist after experiencing a worsening...

    Incorrect

    • A 5-year-old girl is seen by the orthopaedic specialist after experiencing a worsening limp for 4 weeks. Her blood tests were normal, and x-rays revealed a hip joint effusion without any significant femoral head structural abnormalities. The doctor diagnosed her with Perthes' disease. What would be the most suitable initial management plan for this child?

      Your Answer:

      Correct Answer: Observation

      Explanation:

      If Perthes’ disease is diagnosed in children under the age of 6 years and there is no significant collapse of the femoral head or gross structural abnormalities, observation is the recommended course of action. This involves regular x-rays, monitoring, and physiotherapy. The Pavlik harness, serial casting, and steroid injections are not appropriate treatments for this condition.

      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 7 - A 32-week neonate is brought to the neonatal intensive care unit. The baby...

    Incorrect

    • A 32-week neonate is brought to the neonatal intensive care unit. The baby was delivered via emergency Caesarean section to a 17-year-old mother who had not received adequate antenatal care. The mother had a history of significant tobacco and alcohol use. During examination, it was observed that the baby had intestinal loops protruding through a hole on the left side of the umbilicus. What is the probable diagnosis?

      Your Answer:

      Correct Answer: Gastroschisis

      Explanation:

      Socioeconomic deprivation, maternal alcohol/tobacco use, and maternal age under 20 are all associated with gastroschisis.

      While gastroschisis and omphalocele have similar presentations, gastroschisis refers to a defect located to the side of the umbilicus, while omphalocele refers to a defect in the umbilicus itself.

      Foetal alcohol syndrome is characterized by a small head, flattened philtrum, and thin upper lip.

      Anencephaly is a neural tube defect that results in the absence of the brain, skull, and scalp.

      Gastroschisis and exomphalos are both types of congenital visceral malformations. Gastroschisis refers to a defect in the anterior abdominal wall located just beside the umbilical cord. In contrast, exomphalos, also known as omphalocoele, involves the protrusion of abdominal contents through the anterior abdominal wall, which are covered by an amniotic sac formed by amniotic membrane and peritoneum.

      When it comes to managing gastroschisis, vaginal delivery may be attempted, but newborns should be taken to the operating theatre as soon as possible after delivery, ideally within four hours. As for exomphalos, a caesarean section is recommended to reduce the risk of sac rupture. In cases where primary closure is difficult due to lack of space or high intra-abdominal pressure, a staged repair may be undertaken. This involves allowing the sac to granulate and epithelialise over several weeks or months, forming a shell. As the infant grows, the sac contents will eventually fit within the abdominal cavity, at which point the shell can be removed and the abdomen closed.

      Overall, both gastroschisis and exomphalos require careful management to ensure the best possible outcome for the newborn. By understanding the differences between these two conditions and the appropriate steps to take, healthcare professionals can provide effective care and support to both the infant and their family.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 8 - A 5-year-old child presents with the classic murmur of a patent ductus arteriosus....

    Incorrect

    • A 5-year-old child presents with the classic murmur of a patent ductus arteriosus. The child is underweight for their age but is otherwise in good health.

      What course of action would you suggest for this patient?

      Your Answer:

      Correct Answer: Early operative closure

      Explanation:

      Recommendations for Operative Closure and Antibiotic Use in Persistent Defects

      Early operative closure is advised for patients with defects that have not resolved by 6 months of age. It is important to address these defects promptly to prevent complications and improve outcomes. However, prophylactic antibiotics are no longer recommended for dental and other invasive procedures in these patients. This change in practice is due to concerns about antibiotic resistance and the potential for adverse effects. Instead, careful monitoring and prompt treatment of any infections or complications that arise is recommended. By following these guidelines, healthcare providers can ensure the best possible outcomes for patients with persistent defects.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 9 - A 5-year-old girl visits her pediatrician with a fever, red tongue, and a...

    Incorrect

    • A 5-year-old girl visits her pediatrician with a fever, red tongue, and a rash that started on her torso and has now spread to the soles of her feet. The rash has a rough texture like sandpaper. The doctor prescribes oral antibiotics for ten days. The girl's mother is worried about her daughter's absence from school and asks when she can return.
      What is the appropriate time for the girl to go back to school?

      Your Answer:

      Correct Answer: 24 hours after commencing antibiotics

      Explanation:

      Children diagnosed with scarlet fever can go back to school 24 hours after starting antibiotics.

      Scarlet fever is a condition caused by erythrogenic toxins produced by Group A haemolytic streptococci, usually Streptococcus pyogenes. It is more prevalent in children aged 2-6 years, with the highest incidence at 4 years. The disease spreads through respiratory droplets or direct contact with nose and throat discharges, especially during sneezing and coughing. The incubation period is 2-4 days, and symptoms include fever, malaise, headache, nausea/vomiting, sore throat, ‘strawberry’ tongue, and a rash that appears first on the torso and spares the palms and soles. The rash has a rough ‘sandpaper’ texture and desquamation occurs later in the course of the illness, particularly around the fingers and toes.

      To diagnose scarlet fever, a throat swab is usually taken, but antibiotic treatment should be initiated immediately, rather than waiting for the results. Management involves administering oral penicillin V for ten days, while patients with a penicillin allergy should be given azithromycin. Children can return to school 24 hours after commencing antibiotics, and scarlet fever is a notifiable disease. Although usually a mild illness, scarlet fever may be complicated by otitis media, rheumatic fever, acute glomerulonephritis, or rare invasive complications such as bacteraemia, meningitis, or necrotizing fasciitis, which may present acutely with life-threatening illness.

    • This question is part of the following fields:

      • Paediatrics
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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:

      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
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Paediatrics (2/5) 40%
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