Pediatric MCQs of the WEEK

Pediatric MCQs of the WEEK

An 8-day-old male infant is brought to clinic for a routine post-delivery evaluation. On examination, the child weighs 6 kg. Multiple pits are present on the posterior helix of the ears. The neonate is excessively jittery. Pregnancy history, labor, and vaginal delivery were unremarkable. The mother states the baby is feeding well.

MCQ#01

Evaluation of which of the following would be most beneficial in an infant with these physical

findings and history?

(A) Calcium

(B) Thyroid

(C) Magnesium

(D) Glucose

(E) Sodium

MCQ#02

Additional family history is obtained and the siblings examined. There is a history of mental

retardation in the family. Some of the siblings are large for their age and have the same lines or pits seen on the posterior helix of their ears.

Which of the following genetic disorders does this family most likely have?

(A) Prader-Willi syndrome

(B) Neurofibromatosis

(C) 22q11 deletion syndrome

(D) Sotos syndrome

(E) Beckwith-Wiedemann syndrome

MCQ#03

Based on your diagnosis, the most likely etiology of this child’s jitteriness and abnormal laboratory study is which of the following?

(A) Hyperinsulinism

(B) Thyrotoxicosis

(C) SIADH

(D) Adrenal insufficiency

(E) Excess growth hormone

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