Pediatric Board Review Multiple Choice Questions & Answers Vol. 5

Q21. The preferred study in a stable child with splenic, hepatic, and renal injury is:

1. Ultrasonography
2. Plain abdominal x-ray
3. Abdominal CT without contrast
4. Nuclear scan
5. Abdominal CT scan with intravenous contrast

Q22. The following statement is true about menarche and puberty:

1. Menarche usually occurs about 2.3 years before the initiation of puberty.
2. Menarche usually occurs about 1.3 years before the initiation of puberty
3. Menarche usually occurs 6 months before the initiation of puberty.
4. Menarche usually occurs about 1.3 years after the initiation of puberty
5. Menarche usually occurs about 2.3 years after the initiation of puberty

Q23. The mutations of the following long QT syndrome have the highest risk of cardiac events (e.g., syncope, aborted cardiac arrest, sudden death):

1. LQT 1
2. LQT 2
3. LQT 3
4. LQT 4
5. LQT 5

Q24. The patients with mutations of the following long QT syndrome experience cardiac events during exercise and rarely during rest and sleep:

1. LQT 1
2. LQT 2
3. LQT 3
4. LQT 4
5. LQT 5

Q25. The most common renal anomaly in patients with Turner syndrome :

1. Ectopic kidney .
2. Polycystic kidney (autosomal recessive)
3. Polycystic kidney (autosomal dominant)
4. Multicystic dysplastic kidney
5. Horseshoe kidney

Q26. All of the following peroxisomal disorders have elevated very long chain fatty acids (VLCFA) in plasma except :

1. Zellweger syndrome
2. Acyl-CoA oxidase deficiency.
3. Bifunctional enzyme defect
4. X-linked adrenoleukodystrophy
5. Rhizomelic chondrodysplasia punctata

Q27. Prune-belly syndrome is often associated with the following intestinal anomaly:

1. Pyloric stenosis
2. Duodenal atresia
3. Jejunal atresia
4. Malrotation
5. Hirschsprung disease

Q28. All of the following are clinical manifestations of hypoglycemia in children due to activation of autonomic nervous system and release of epinephrine except

1. Headache
2. Anxiety
3. Perspiration
4. Palpitation
5. Pallor

Q29. All of the following are clinical manifestations of hypoglycemia in children due to cerebral glucopenia except:

1. Mental confusion
2. Decreased visual acuity
3. Diplopia
4. Increased concentration
5. Organic personality changes

Q30. A child is treated with oral diazoxide for hyperinsulinemic hypoglycemia. All of the following findings are complications of diazoxide except:

1. Hirsutism
2. Edema
3. Hypouricemia
4. Advanced bone age
5. IgG deficiency

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