The following features are more suggestive of biliary atresia rather than neonatal hepatitis in an infant 6 weeks of age:
- A. Hepatomegaly
- B. Prolonged INR (prothrombin time)
- C. Biopsy specimen showed proliferation of bile ductules, periportal fibrosis and bile lakes
- D. HillA scan reveals delayed uptake and excretion of the contrast material
Correct Answer: C
Rationale: Proliferation of bile ductules, periportal fibrosis, and bile lakes on biopsy are hallmark features of biliary atresia.
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The following statements are true:
- A. Unexplained vaginal discharge in a 3-year-old might be a sign of sexual abuse
- B. Spiral fracture of femur is always non-accidental
- C. Retinal bleeding in a 3-month-old unconscious baby is a sign of 'shaken baby' syndrome
- D. Bruises on the elbows and knees in a 4-year-old are suggestive of physical abuse
Correct Answer: C
Rationale: Retinal bleeding in a 3-month-old unconscious baby is a sign of 'shaken baby' syndrome: Retinal bleeding in infants, especially with other signs of physical abuse, is a key indicator of 'shaken baby' syndrome.
Functional causes of opening Snap (either due to swift opening of AV valve or due to excess flow across the valve) is seen in all, except
- A. Mitral regurgitation
- B. Ventricular septal defect
- C. Atrial septal defect
- D. First degree AV block
Correct Answer: D
Rationale: First degree AV block is not typically associated with an opening snap.
List THREE indications for intervention for aortopathy in Marfan’s syndrome in an older teenager.
- A. Aortic root or ascending aorta dilation >44-50mm
- B. Symptomatic (pain consistent with rupture)
- C. Growth of >0.5cm/y
- D. All of the above
Correct Answer: D
Rationale: These are significant indicators that require surgical intervention to prevent further complications, such as rupture or dissection.
Concerning tetanus:
- A. The infection is usually fatal
- B. The muscle spasms are often localized
- C. Immunization confers lifelong immunity
- D. Incubation period is usually weeks
Correct Answer: C
Rationale: Immunization with the tetanus toxoid provides long-lasting immunity, though booster shots are recommended to maintain protection.
ECG
- A. Bifid P waves in large VSD
- B. Complete Ht block in cyanotic attacks of fallots
- C. RBBB in Ebstein anomaly
- D. Right axis deviation in tricuspid atresia
Correct Answer: C
Rationale: In Ebstein's anomaly, right bundle branch block (RBBB) is commonly seen on ECG.
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