pediatrics

Q: A 10-month-old infant has poor weight gain, a persistent cough, and a history of several bouts of pneumonitis. The mother describes the child as having very large, foul-smelling stools for months. Which of the following diagnostic maneuvers is likely to result in the correct diagnosis of this child?

(a) :  CT of the chest
(b) :  Serum immunoglobulins
(c) :  TB skin test
(d) :  Inspiratory and expiratory chest x-ray
(e) :  Sweat chloride test 
Answer:  Sweat chloride test 
Explanation:  

Q: A 7-year-old child is noted to have 2+ protein on urinalysis. A 24-h collection of urine reveals a protein excretion of 2.5 g/24 h. A thorough history might reveal ingestion of which of the following medications? 

(a) :  Tetracycline
(b) :  Streptomycin
(c) :  Trimethadione
(d) :  Diazepam
(e) :  Chlorambucil 
Answer:  Trimethadione
Explanation:  

Q: What is the most common cause of congenital nephrotic syndrome ?

(a) :  Denys-Drash syndrome
(b) :  Finnish type of congenital NS
(c) :  Nail patella syndrome
(d) :  Frasier’s syndrome
(e) :  none of above
Answer:  Finnish type of congenital NS
Explanation:  

Q: At 43 weeks’ gestation, a long, thin infant is delivered. The infant is apneic, limp, pale, and covered with “pea soup” amniotic fluid. The first step in the resuscitation of this infant at delivery should be

(a) :  Suction of the trachea under direct vision
(b) :  Artificial ventilation with bag and mask
(c) :  Artificial ventilation with endotracheal tube
(d) :  Administration of 100% oxygen by mask
(e) :  Catheterization of the umbilical vein 
Answer:  Suction of the trachea under direct vision
Explanation:  

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