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  • Question 1 - A 6-year-old girl with Down syndrome is seen by her general practitioner (GP)....

    Incorrect

    • A 6-year-old girl with Down syndrome is seen by her general practitioner (GP). She has been complaining of ear pain for a few days. She has not had any problems with her ears in the past, and her mother has no concerns about her hearing. On examination, she is found to have otitis media with effusion.
      What is the most appropriate management plan for this patient?

      Your Answer: Amoxicillin 500 mg three times daily for five days

      Correct Answer: Refer to ear, nose and throat (ENT)

      Explanation:

      Management of Otitis Media with Effusion in Children with Down Syndrome or Cleft Palate

      Children suspected to have otitis media with effusion (OME) and Down syndrome or cleft palate should be referred for specialist assessment to avoid any delays that may impact their overall development, especially speech development. OME is the presence of fluid in the middle ear space, which can lead to conductive hearing loss and speech delay in some children. While OME can be self-limiting, it can become chronic, and failure of treatment may cause complications, particularly in children with low immunity due to Down syndrome.

      Amoxicillin 500 mg three times daily for five days is not recommended for children with Down syndrome or cleft palate. Instead, a period of active observation is recommended for 6-12 weeks, unless a referral is indicated. The use of corticosteroids or decongestants, such as fluticasone or xylometazoline nasal spray, respectively, is not supported by evidence and is not advised by the National Institute for Health and Care Excellence (NICE) Clinical Knowledge Summaries (CKS).

      In summary, early referral for specialist assessment is crucial for children with Down syndrome or cleft palate suspected to have OME to prevent any delays in their development. Active observation is recommended for other children with OME, and the use of antibiotics, corticosteroids, or decongestants is not supported by evidence and is not advised by NICE CKS.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 2 - A couple, one male and one female, seek genetic counselling as a family...

    Incorrect

    • A couple, one male and one female, seek genetic counselling as a family member has been diagnosed with sickle cell anaemia, an autosomal recessive condition. After testing, it is discovered that both individuals are carriers of sickle cell anaemia. The woman is currently 16 weeks pregnant.

      What is the likelihood that their unborn child will also be a carrier of sickle cell anaemia?

      Your Answer: 25%

      Correct Answer: 50%

      Explanation:

      The statement is incorrect because if at least one parent is a carrier of sickle cell anemia, there is a probability greater than zero.

      Understanding Autosomal Recessive Inheritance

      Autosomal recessive inheritance is a genetic pattern where a disorder is only expressed when an individual inherits two copies of a mutated gene, one from each parent. This means that only homozygotes, individuals with two copies of the mutated gene, are affected. Both males and females are equally likely to be affected, and the disorder may not manifest in every generation, as it can skip a generation.

      When two heterozygote parents, carriers of the mutated gene, have children, there is a 25% chance of having an affected (homozygote) child, a 50% chance of having a carrier (heterozygote) child, and a 25% chance of having an unaffected child. On the other hand, if one parent is homozygote for the gene and the other is unaffected, all the children will be carriers.

      Autosomal recessive disorders are often metabolic in nature and can be life-threatening compared to autosomal dominant conditions. Understanding the inheritance pattern of autosomal recessive disorders is crucial in genetic counseling and family planning.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 3 - A three-year-old male is brought into the paediatric emergency department by his mother....

    Correct

    • A three-year-old male is brought into the paediatric emergency department by his mother. He has been coughing for four days, producing green sputum and has been off his food. He has been drinking water but has only wet two nappies today. On examination, he has a moderate intercostal recession, right-sided lung crackles and appears withdrawn. His mucous membranes appear dry.

      Based on the NICE traffic light system, which symptom of the child is the most worrying?

      Your Answer: Moderate intercostal recession

      Explanation:

      In paediatric patients with a fever, moderate intercostal recession is a concerning sign. It is considered a ‘red’ flag on the NICE traffic light system, indicating a potentially serious condition. Other ‘amber’ signs to watch for include nasal flaring, lung crackles on auscultation, reduced nappy wetting, dry mucous membranes, and pallor reported by parent or carer. ‘Red’ signs that require immediate attention include not waking if roused, reduced skin turgor, mottled or blue appearance, and grunting.

      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 4 - A 4-year-old boy visits his GP for his routine vaccinations. He has received...

    Correct

    • A 4-year-old boy visits his GP for his routine vaccinations. He has received all the recommended vaccines for his age group and has not experienced any adverse reactions. He is in good health and his height and weight are within normal range. The child's family migrated from India six years ago. What vaccinations should the doctor administer during this visit?

      Your Answer: 4-in-1 booster and MMR vaccination

      Explanation:

      For a child between 3 and 4 years old, the recommended immunisations are the MMR vaccine and the 4-in-1 booster, which includes vaccinations for diphtheria, tetanus, whooping cough, and polio. It is important to note that the child should have already received a BCG vaccination when they were between 0 and 12 months old if their parents were born in a country with a high incidence of tuberculosis. The HPV vaccine is not recommended for children of this age. The 3-in-1 booster and meningococcal B vaccine is an inappropriate combination, as is the 6-in-1 vaccine and meningococcal ACWY vaccine.

      The UK immunisation schedule recommends certain vaccines at different ages. At birth, the BCG vaccine is given if the baby is at risk of tuberculosis. At 2, 3, and 4 months, the ‘6-1 vaccine’ (diphtheria, tetanus, whooping cough, polio, Hib and hepatitis B) and oral rotavirus vaccine are given, along with Men B and PCV at certain intervals. At 12-13 months, the Hib/Men C, MMR, and PCV vaccines are given, along with Men B. At 3-4 years, the ‘4-in-1 preschool booster’ (diphtheria, tetanus, whooping cough and polio) and MMR vaccines are given. At 12-13 years, the HPV vaccination is given, and at 13-18 years, the ‘3-in-1 teenage booster’ (tetanus, diphtheria and polio) and Men ACWY vaccines are given. Additionally, the flu vaccine is recommended annually for children aged 2-8 years.

      It is important to note that the meningitis ACWY vaccine has replaced meningitis C for 13-18 year-olds due to an increased incidence of meningitis W disease in recent years. The ACWY vaccine will also be offered to new students (up to the age of 25 years) at university. GP practices will automatically send letters inviting 17-and 18-year-olds in school year 13 to have the Men ACWY vaccine. Students going to university or college for the first time as freshers, including overseas and mature students up to the age of 25, should contact their GP to have the Men ACWY vaccine, ideally before the start of the academic year.

      It is worth noting that the Men C vaccine used to be given at 3 months but has now been discontinued. This is because the success of the Men C vaccination programme means there are almost no cases of Men C disease in babies or young children in the UK any longer. All children will continue to be offered the Hib/Men C vaccine at one year of age, and the Men ACWY vaccine at 14 years of age to provide protection across all age groups.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 5 - A 38-year-old woman has just found out that she has Huntington disease and...

    Incorrect

    • A 38-year-old woman has just found out that she has Huntington disease and is worried that she may have passed it on to her children. The father of the children does not have the disease. What is the probability that each of her children has inherited the condition?

      Your Answer: 25%

      Correct Answer: 50%

      Explanation:

      Huntington disease is an autosomal dominant condition, which implies that the patient has one normal and one faulty copy of the gene. The faulty copy is dominant and causes the disease. If an affected patient has a child, the child has a 50% chance of inheriting the faulty gene and developing the condition, and a 50% chance of inheriting the normal gene and not developing the disease.

      Autosomal Dominant Diseases: Characteristics and Complicating Factors

      Autosomal dominant diseases are genetic disorders that are inherited from one parent who carries the abnormal gene. In these diseases, both homozygotes and heterozygotes manifest the disease, and both males and females can be affected. The disease is passed on to 50% of children, and it normally appears in every generation. The risk remains the same for each successive pregnancy.

      However, there are complicating factors that can affect the expression of the disease. Non-penetrance is a phenomenon where an individual carries the abnormal gene but does not show any clinical signs or symptoms of the disease. For example, 40% of individuals with otosclerosis do not show any symptoms despite carrying the abnormal gene. Another complicating factor is spontaneous mutation, where a new mutation occurs in one of the gametes. This can result in the disease appearing in a child even if both parents do not carry the abnormal gene. For instance, 80% of individuals with achondroplasia have unaffected parents.

      In summary, autosomal dominant diseases have distinct characteristics such as their inheritance pattern and the fact that affected individuals can pass on the disease. However, complicating factors such as non-penetrance and spontaneous mutation can affect the expression of the disease and make it more difficult to predict its occurrence.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 6 - At what age do children typically begin to play alongside their peers without...

    Incorrect

    • At what age do children typically begin to play alongside their peers without actively engaging with them?

      Your Answer: 12 months

      Correct Answer: 2 years

      Explanation:

      The table summarizes developmental milestones for social behavior, feeding, dressing, and play. Milestones include smiling at 6 weeks, using a spoon and cup at 12-15 months, and playing with other children at 4 years.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 7 - 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 8 - Parents bring their infant to see you because their child is not growing...

    Incorrect

    • Parents bring their infant to see you because their child is not growing normally. There is no family history of note. On examination, he is noted to have a large head relative to the limbs. The limbs are relatively shortened, compared to the trunk.
      What is the molecular basis for this condition?

      Your Answer: Fibrillin mutation

      Correct Answer: Activation of the fibroblast growth factor 3 (FGF3) receptor

      Explanation:

      There are several genetic mutations that can cause developmental abnormalities and disorders. One such mutation is the activation of the fibroblast growth factor 3 (FGF3) receptor, which leads to achondroplasia and stunted bone growth. Another mutation affects the fibrillin-1 gene, causing Marfan’s syndrome and resulting in tall stature, joint hypermobility, and cardiac abnormalities. Mutations in collagen genes can lead to disorders like osteogenesis imperfecta, Ehlers-Danlos syndrome, and Alport disease. Trisomy 18, or Edwards’ syndrome, is caused by an extra copy of chromosome 18 and results in severe developmental abnormalities and organ system dysfunction. Trisomy 21, or Down syndrome, is caused by an extra copy of chromosome 21 and leads to characteristic physical features such as dysplastic ears and a high arched palate, as well as intellectual disability.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 9 - A 4-week-old baby boy is brought in by his concerned parents. Since two...

    Incorrect

    • A 4-week-old baby boy is brought in by his concerned parents. Since two weeks of age, he has had a slowly expanding lump to the left side of his head. He is otherwise healthy, gaining weight, and breastfeeding well. He wakes to demand food and is starting to show signs of social smiling. He was delivered by unassisted normal vaginal delivery at 38 weeks’ gestation after an uncomplicated pregnancy. Birthweight was 3.2 kg. Other than a slightly prolonged second stage of labor, there is no significant perinatal history. He has no siblings and there is no family history of note.

      During the examination, an alert and active baby is observed. Vital signs are normal. There is a smooth lump measuring 2 × 3 cm arising in the left parieto-occipital region. The lump is compressible and non-pulsatile and does not cross the suture lines. A head to toe examination of the baby reveals no other lumps, skin lesions, rashes, or marks. The anterior fontanelle is normal. The baby has good tone and a normal Moro reflex. There is no jaundice or pallor.

      What is the most likely diagnosis?

      Your Answer: Caput succedaneum

      Correct Answer: Cephalohaematoma

      Explanation:

      Common Neonatal Head Injuries: Causes, Symptoms, and Differences

      Cephalohaematoma, Caput succedaneum, Cephalocele, and Subgaleal haemorrhage are common neonatal head injuries that can occur during birth. Understanding the causes, symptoms, and differences between these injuries is important for proper diagnosis and treatment.

      Cephalohaematoma is a subperiosteal haemorrhage that occurs in 1-2% of live births, usually associated with a prolonged second stage of labour. It presents as a well-circumscribed, fluctuant mass over the parietal bone, and does not cross suture lines. Complications such as anaemia and jaundice can result from a cephalohaematoma, depending on its size.

      Caput succedaneum is a form of birth trauma caused by pressure exerted on the presenting part by the cervix during the first stage of labour. It presents as diffuse swelling of the scalp and is associated with moulding. It can cross the midline and extends over suture lines. It resolves over the course of the first few days of life.

      Cephalocele is a rare congenital condition where brain herniation occurs through a defect in the cranium. It is usually detected antenatally and most commonly presents in the midline.

      Subgaleal haemorrhage is most commonly associated with instrumental delivery, caused by rupture of the emissary veins connecting the dural sinuses with the scalp veins. It presents as a fluctuant mass over the occiput, with superficial skin bruising 12-72 hours post-delivery. It may cross suture lines and pass over fontanelles, distinguishing it from a cephalohaematoma.

      It is important to note that non-accidental injury should always be considered in cases of unexplained head injuries. However, in the absence of any concerning features, a cephalohaematoma or other neonatal head injury is likely due to birth trauma and can be managed accordingly.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 10 - A 7-year-old girl is diagnosed with Attention Deficit Hyperactivity Disorder and prescribed methylphenidate....

    Correct

    • A 7-year-old girl is diagnosed with Attention Deficit Hyperactivity Disorder and prescribed methylphenidate. What should be monitored during her treatment?

      Your Answer: Growth

      Explanation:

      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

    • This question is part of the following fields:

      • Paediatrics
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  • Question 11 - A 16-year-old female visits her GP seeking to begin taking the contraceptive pill....

    Incorrect

    • A 16-year-old female visits her GP seeking to begin taking the contraceptive pill. The GP takes into account the Fraser Guidelines before approving the prescription. What is one of the requirements that must be met?

      Your Answer: The young person should be given information leaflets and told to come back in 7 days

      Correct Answer: The young person's physical or mental health, or both, are likely to suffer if the contraceptive pill is not prescribed

      Explanation:

      If a young person is denied access to contraception, their physical and mental health may be negatively impacted. While it is not mandatory for them to inform their parents, it is recommended to encourage them to seek support from their parents. The age of 16 is not a requirement for the young person to stop having sex. While providing information leaflets is not a Fraser guideline, it can still be helpful for the young person. It is not necessary to have a relative or friend present when determining the best interests of the young person.

      Understanding the Fraser Guidelines for Consent to Treatment in Minors

      The Fraser guidelines are a set of criteria used to determine whether a minor under the age of 16 is competent to give consent for medical treatment, particularly in relation to contraception. To be considered competent, the young person must demonstrate an understanding of the healthcare professional’s advice and cannot be persuaded to inform or involve their parents in the decision-making process. Additionally, the young person must be likely to engage in sexual activity with or without contraception, and their physical or mental health is at risk without treatment. Ultimately, the decision to provide treatment without parental consent must be in the best interest of the young person. These guidelines are important in ensuring that minors have access to necessary medical care while also protecting their autonomy and privacy.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 12 - A father brings his 2-day-old son to the pediatrician for a routine check-up....

    Incorrect

    • A father brings his 2-day-old son to the pediatrician for a routine check-up. During the examination, the pediatrician notices that the baby's skin has a yellowish tint. The pediatrician suspects that the baby has jaundice and investigates further.
      What is a possible reason for jaundice caused by reduced bilirubin conjugation?

      Your Answer: Polycythaemia

      Correct Answer: Hypothyroidism

      Explanation:

      Neonatal jaundice is a common condition that affects many newborns, with up to 50% of term and 80% of preterm babies experiencing it in their first week of life. It is characterized by yellow discoloration of the skin and occurs when the serum bilirubin level exceeds 85 micromoles/l. Jaundice can be either physiological or pathological, with the former resulting from increased destruction of fetal erythrocytes and decreased liver function due to immaturity. Pathological jaundice, on the other hand, can be caused by haemolytic or non-haemolytic factors, impaired bilirubin conjugation or excretion, and post-hepatic anatomical malformations. Risk factors for neonatal jaundice include Asian origin, having a sibling with a history of the condition, metabolic disorders, prematurity, low birthweight, and being male. Prompt detection and treatment of jaundice is crucial to prevent kernicterus and severe brain damage. Other conditions that can cause neonatal jaundice include intravascular haemolysis, polycythaemia, biliary atresia, and congenital bile duct cysts.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 13 - A 16-week-old infant is brought to the GP by their mother due to...

    Correct

    • A 16-week-old infant is brought to the GP by their mother due to regurgitation and vomiting after most feeds, ongoing diarrhea with significant amounts of mucous, and difficulty settling. The mother also reports that the infant often pulls their legs up to their chest during crying episodes. The infant was born at full term, had a healthy weight at birth, and is formula-fed. They have a history of eczema managed with emollients. What is the recommended next step in management?

      Your Answer: Trial of extensively hydrolysed formula

      Explanation:

      In case of mild-moderate cow’s milk protein intolerance in a baby who is fed with formula, it is recommended to switch to an extensively hydrolyzed formula.

      Understanding Cow’s Milk Protein Intolerance/Allergy

      Cow’s milk protein intolerance/allergy (CMPI/CMPA) is a condition that affects around 3-6% of children, typically presenting in the first 3 months of life in formula-fed infants. Both immediate and delayed reactions can occur, with CMPA used for immediate reactions and CMPI for mild-moderate delayed reactions. Symptoms include regurgitation, vomiting, diarrhea, urticaria, atopic eczema, colic symptoms, wheeze, chronic cough, and rarely, angioedema and anaphylaxis. Diagnosis is often clinical, with investigations including skin prick/patch testing and total IgE and specific IgE (RAST) for cow’s milk protein.

      Management for formula-fed infants includes using extensive hydrolyzed formula (eHF) milk as the first-line replacement formula for mild-moderate symptoms and amino acid-based formula (AAF) for severe CMPA or if no response to eHF. Around 10% of infants are also intolerant to soya milk. For breastfed infants, mothers should eliminate cow’s milk protein from their diet and consider prescribing calcium supplements to prevent deficiency. eHF milk can be used when breastfeeding stops until at least 6 months and up to 12 months of age.

      The prognosis for CMPI is usually good, with most children becoming milk tolerant by the age of 3-5 years. However, a challenge is often performed in a hospital setting as anaphylaxis can occur. It is important to refer infants with severe symptoms to a pediatrician for management. Understanding CMPI/CMPA and its management can help parents and healthcare providers provide appropriate care for affected children.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 14 - A 22-month-old toddler has been hospitalized after experiencing a significant rectal hemorrhage that...

    Incorrect

    • A 22-month-old toddler has been hospitalized after experiencing a significant rectal hemorrhage that necessitated a blood transfusion. Despite the bleeding, the child seems calm and free of discomfort.
      What is the probable diagnosis?

      Your Answer: Anal fissure

      Correct Answer: Meckel's diverticulum

      Explanation:

      Meckel’s diverticulum is a congenital disorder that can cause malformation in the small intestine. Although it is often asymptomatic, it can lead to acid release and ulceration of the small intestine. This condition is the most common cause of gastrointestinal bleeding requiring transfusion in children between the ages of 1 and 2 years, presenting with symptoms such as bright red rectal bleeding, constipation, nausea and vomiting, and abdominal pain.

      Other conditions that can cause bleeding in the gastrointestinal tract include oesophagitis, which is typically caused by acid reflux and presents with heartburn, and anal fissures, which are often painful or itchy and commonly occur in those who have been constipated. However, these conditions are not typically associated with transfusion.

      Necrotising enterocolitis is another condition that can cause gastrointestinal bleeding and severe illness, but it is more common in neonates, particularly those born prematurely. Meckel’s diverticulum remains the most common cause of painless massive GI bleeding requiring transfusion in young children.

      Meckel’s diverticulum is a small pouch in the small intestine that is present from birth. It is a leftover part of the omphalomesenteric duct, which is also known as the vitellointestinal duct. The diverticulum can contain tissue from the ileum, stomach, or pancreas. This condition is relatively rare, occurring in only 2% of the population. Meckel’s diverticulum is typically located about 2 feet from the ileocaecal valve and is around 2 inches long.

      In most cases, Meckel’s diverticulum does not cause any symptoms and is only discovered incidentally during medical tests. However, it can cause abdominal pain that is similar to appendicitis, rectal bleeding, and intestinal obstruction. In fact, it is the most common cause of painless massive gastrointestinal bleeding in children between the ages of 1 and 2 years.

      To diagnose Meckel’s diverticulum, doctors may perform a Meckel’s scan using a radioactive substance that has an affinity for gastric mucosa. In more severe cases, mesenteric arteriography may be necessary. Treatment typically involves surgical removal of the diverticulum if it has a narrow neck or is causing symptoms. The options for surgery include wedge excision or formal small bowel resection and anastomosis.

      Meckel’s diverticulum is caused by a failure of the attachment between the vitellointestinal duct and the yolk sac to disappear during fetal development. The diverticulum is typically lined with ileal mucosa, but it can also contain ectopic gastric, pancreatic, or jejunal mucosa. This can increase the risk of peptic ulceration and other complications. Meckel’s diverticulum is often associated with other conditions such as enterocystomas, umbilical sinuses, and omphalocele fistulas.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 15 - A 12-year-old girl who plays soccer starts to feel discomfort during games. She...

    Correct

    • A 12-year-old girl who plays soccer starts to feel discomfort during games. She visits her doctor and is diagnosed with Osgood-Schlatter disease.

      Which bony prominence is affected by the inflammation that causes this condition?

      Your Answer: Tibial tuberosity

      Explanation:

      Osteochondrosis, known as Osgood-Schlatter disease, is caused by inflammation (apophysitis) at the tibial tuberosity. The diagnosis can often be confirmed by palpating the affected area, and it is a common condition among active children. Trochanteric bursitis may cause tenderness in the trochanteric region, while patellar tendonitis is suggested by tenderness below the patella during examination. Sporting injuries may affect the medial femoral condyle, but fibular head pain is rare.

      Understanding Osgood-Schlatter Disease

      Osgood-Schlatter disease, also known as tibial apophysitis, is a type of osteochondrosis that causes inflammation at the tibial tuberosity. This condition is caused by repeated avulsion of the apophysis, which is the bony outgrowth where the patellar tendon attaches. Osgood-Schlatter disease is a traction apophysitis, which means that it is caused by excessive pulling or stretching of the tendon.

      Although Osgood-Schlatter disease can be painful, it is a self-limiting condition that typically resolves on its own over time. Treatment is usually supportive and may include rest, ice, compression, and elevation of the affected area. In some cases, physical therapy or bracing may be recommended to help alleviate symptoms and prevent further injury.

      It is important to note that Osgood-Schlatter disease is most commonly seen in adolescents who are going through a growth spurt. As such, it is important for parents and coaches to be aware of the signs and symptoms of this condition so that they can seek appropriate medical attention if necessary. With proper management, most individuals with Osgood-Schlatter disease are able to return to their normal activities without any long-term complications.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 16 - A 4-month-old is brought to the emergency department with a suspected UTI and...

    Correct

    • A 4-month-old is brought to the emergency department with a suspected UTI and responds well to antibiotics within 48 hours. An ultrasound may be necessary to determine if this is a typical or atypical UTI. What is the most common indicator of an atypical UTI?

      Your Answer: Poor urine flow

      Explanation:

      If an infant under 6 months shows signs of an atypical UTI, it is important to schedule an ultrasound scan during their acute admission. Atypical UTI may be indicated by symptoms such as poor urine flow, an abdominal or bladder mass, raised creatinine, septicaemia, failure to respond to appropriate antibiotics within 48 hours, or infection with non-E. coli organisms. However, raised white blood cells alone do not necessarily indicate septicaemia, and abdominal pain is a common symptom of UTI but does not necessarily indicate an atypical UTI.

      Urinary tract infections (UTI) are more common in boys until 3 months of age, after which the incidence is substantially higher in girls. Presentation in childhood depends on age, with infants showing poor feeding, vomiting, and irritability, younger children showing abdominal pain, fever, and dysuria, and older children showing dysuria, frequency, and haematuria. NICE guidelines recommend checking urine samples in children with symptoms or signs suggestive of a UTI, unexplained fever of 38°C or higher, or an alternative site of infection but who remain unwell. Urine collection should be done through clean catch or urine collection pads, and invasive methods should only be used if non-invasive methods are not possible. Management includes referral to a paediatrician for infants less than 3 months old, admission to hospital for children aged more than 3 months old with an upper UTI, and oral antibiotics for 3-10 days for children aged more than 3 months old with a lower UTI. Antibiotic prophylaxis is not given after the first UTI but should be considered with recurrent UTIs.

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      • Paediatrics
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  • Question 17 - A 4-year-old girl is brought to the pediatrician by her mother. The mother...

    Correct

    • A 4-year-old girl is brought to the pediatrician by her mother. The mother is concerned as she has noticed some hair growing in her daughter's armpits, and although she has not shown any distress or had any other noticeable symptoms, the mother is worried that something is wrong as she is too young to begin going through puberty. On examination, the child has axillary hair growth bilaterally, and her breasts are of appropriate size for her age.

      Gonadotrophin assays show the following:
      FSH 0.2 IU/L Age 6 months - 10 years old: (1 - 3)
      LH 0.1 IU/L Age 6 months - 10 years old: (1 - 5)

      What is the most likely cause of this child's axillary hair growth?

      Your Answer: Adrenal hyperplasia

      Explanation:

      In cases of gonadotrophin independent precocious puberty (GIPP), both FSH and LH levels are low. This is in contrast to gonadotrophin dependent precocious puberty (GDPP), where FSH and LH levels are high and testes are larger than expected for age. GIPP is caused by increased levels of sex hormones, such as testosterone, which suppress LH and FSH. This can be due to ovarian, testicular, or adrenal causes, such as congenital adrenal hyperplasia. In boys with GIPP, testicular volume is typically normal or small. Adrenal hyperplasia is the only cause of GIPP, as all other causes would result in GDPP and increased levels of FSH and LH.

      Understanding Precocious Puberty

      Precocious puberty is a condition where secondary sexual characteristics develop earlier than expected, before the age of 8 in females and 9 in males. It is more common in females and can be classified into two types: gonadotrophin dependent and gonadotrophin independent. The former is caused by premature activation of the hypothalamic-pituitary-gonadal axis, resulting in raised levels of FSH and LH. The latter is caused by excess sex hormones, with low levels of FSH and LH. In males, precocious puberty is uncommon and usually has an organic cause, such as gonadotrophin release from an intracranial lesion, gonadal tumour, or adrenal cause. In females, it is usually idiopathic or familial and follows the normal sequence of puberty. Organic causes are rare and associated with rapid onset, neurological symptoms and signs, and dissonance, such as in McCune Albright syndrome. Understanding precocious puberty is important for early detection and management of the condition.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 18 - A mother observes that her 2-year-old son has small eye openings, a small...

    Correct

    • A mother observes that her 2-year-old son has small eye openings, a small body, and low-set ears. During the examination, the pediatrician also observes a flat philtrum, a sunken nasal bridge, short palpebral fissures, and a thin upper lip. What could be the probable cause of these symptoms?

      Your Answer: Maternal alcohol abuse

      Explanation:

      Fetal alcohol syndrome is a condition that occurs when a mother abuses alcohol during pregnancy. This can lead to various physical and developmental abnormalities in the fetus, including intrauterine growth restriction, small head size, underdeveloped midface, small jaw, a smooth ridge between the nose and upper lip, small eye openings, and a thin upper lip. Affected infants may also exhibit irritability and attention deficit hyperactivity disorder (ADHD).

      Understanding Fetal Alcohol Syndrome

      Fetal alcohol syndrome is a condition that occurs when a pregnant woman consumes alcohol, which can lead to various physical and mental abnormalities in the developing fetus. At birth, the baby may exhibit symptoms of alcohol withdrawal, such as irritability, hypotonia, and tremors.

      The features of fetal alcohol syndrome include a short palpebral fissure, a thin vermillion border or hypoplastic upper lip, a smooth or absent philtrum, learning difficulties, microcephaly, growth retardation, epicanthic folds, and cardiac malformations. These physical characteristics can vary in severity and may affect the child’s overall health and development.

      It is important for pregnant women to avoid alcohol consumption to prevent fetal alcohol syndrome and other potential complications. Early diagnosis and intervention can also help improve outcomes for children with fetal alcohol syndrome. By understanding the risks and consequences of alcohol use during pregnancy, we can work towards promoting healthier pregnancies and better outcomes for children.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 19 - You are asked to help with the resuscitation of a premature neonate who...

    Correct

    • You are asked to help with the resuscitation of a premature neonate who is displaying respiratory distress immediately after birth at 36 +4 weeks. During auscultation of the precordium, you observe the absence of heart sounds on the left side but can hear tinkling sounds. Additionally, the infant is exhibiting cyanosis.

      What is the most appropriate initial course of action?

      Your Answer: Intubation and ventilation

      Explanation:

      If you hear bowel sounds during a respiratory exam of a neonate experiencing respiratory distress, it may indicate the presence of a diaphragmatic hernia. This condition occurs when abdominal organs protrude through a hole in the diaphragm, typically on the left side, leading to underdeveloped lungs and breathing difficulties. The sound of bowel in the chest cavity causes the bowel sounds to be audible. The heart sounds may also be louder on the right side due to the displacement of the heart. The initial treatment involves inserting a nasogastric tube to prevent air from entering the gut, but for a cyanotic patient, intubation and ventilation are necessary. Surgical repair of the diaphragm is the definitive treatment. BIPAP and CPAP are not appropriate for this condition, as they are used to keep the airway open in conditions such as COPD or respiratory distress syndrome. Facemask ventilation and nasal cannulae should be avoided as they increase the risk of air entering the gut, and an artificial airway is necessary to ensure adequate oxygenation.

      Understanding Congenital Diaphragmatic Hernia

      Congenital diaphragmatic hernia (CDH) is a rare condition that affects approximately 1 in 2,000 newborns. It occurs when the diaphragm, a muscle that separates the chest and abdominal cavities, fails to form completely during fetal development. As a result, abdominal organs can move into the chest cavity, which can lead to underdeveloped lungs and high blood pressure in the lungs. This can cause respiratory distress shortly after birth.

      The most common type of CDH is a left-sided posterolateral Bochdalek hernia, which accounts for about 85% of cases. This type of hernia occurs when the pleuroperitoneal canal, a structure that connects the chest and abdominal cavities during fetal development, fails to close properly.

      Despite advances in medical treatment, only about 50% of newborns with CDH survive. Early diagnosis and prompt treatment are crucial for improving outcomes. Treatment may involve surgery to repair the diaphragm and move the abdominal organs back into their proper position. In some cases, a ventilator or extracorporeal membrane oxygenation (ECMO) may be necessary to support breathing until the lungs can function properly. Ongoing care and monitoring are also important to manage any long-term complications that may arise.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 20 - A 10-week-old baby is admitted to the Paediatric Ward by her General Practitioner...

    Incorrect

    • A 10-week-old baby is admitted to the Paediatric Ward by her General Practitioner (GP). She was born at term via normal vaginal delivery after an uncomplicated pregnancy. Her birthweight was 2900 g. Her 20-week anomaly scan was unremarkable. Her parents inform you that a heart murmur was noted at her 8-week check, for which she is awaiting routine outpatient assessment. Her parents report that, over the last week, she has had episodes of going blue during feeds and friends have remarked that she looks ‘off colour’. She had a similar episode while with her GP, and oxygen saturation was recorded at 88% peripherally. As a result, the GP called 999 and transferred her to hospital. She is growing along the 25th centile. On examination, she is alert with normal vital signs. Heart sounds reveal a loud systolic murmur at the lower left sternal edge; she had palpable femoral pulses bilaterally and very slight cyanosis. Her chest is clear, without recession or signs of distress. Her liver is not enlarged.
      What is the most likely diagnosis?

      Your Answer: Transposition of the great arteries (TGA)

      Correct Answer: Tetralogy of Fallot

      Explanation:

      Tetralogy of Fallot is a common congenital heart disease that affects around 3-6 out of every 10,000 births. It is characterized by four heart abnormalities that can cause symptoms such as cyanosis, difficulty with feeding, failure to thrive, and Tet spells. Diagnosis is typically made through echocardiography, and surgical correction is usually performed within the first two years of life.

      Cyanotic heart disease can be divided into two groups: those that present in the first week of life and those that present after the first week. Examples of conditions that present in the first week include total pulmonary atresia, tricuspid atresia, and transposition of the great arteries. Examples of conditions that can present after the first week include tetralogy of Fallot, total anomalous pulmonary venous drainage, and tricuspid regurgitation with right-to-left shunt via atrial septal defect.

      Transposition of the great arteries is a cyanotic congenital heart condition where the aorta arises from the right ventricle and the pulmonary arteries from the left ventricle. It typically presents with central cyanosis within the first day or two of life and is managed with intravenous prostaglandin E1 and balloon atrial septostomy.

      Total pulmonary atresia is a congenital heart abnormality where the pulmonary valve fails to develop, resulting in disrupted blood flow from the right ventricle to the pulmonary trunk. It can occur with or without a ventricular septal defect and is associated with tetralogy of Fallot.

      Ventricular septal defect is a congenital heart defect located in the interventricular septum that allows mixing of blood between the two sides of the heart. Symptoms depend on the size of the defect and can range from asymptomatic to signs of heart failure.

      Patent ductus arteriosus is the failure of closure of the fetal connection between the descending aorta and pulmonary artery. It is not a cyanotic congenital heart defect and can be treated with intravenous indomethacin, cardiac catheterization, or ligation. Symptoms may include decreased exercise tolerance, pulmonary congestion, a cardiac murmur, or heart failure.

    • This question is part of the following fields:

      • Paediatrics
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