Audio Qbank – HY USMLE Q #456 – Biochem / Immuno

A 6-year-old boy is brought to the physician for 2-day history of fever and productive cough. He has had recurrent chest infections since the age of 2. Temperature is 102 F. He is at the 3rd percentile for height and weight. Which of the following is most likely to be seen in this patient?

Decreased bone mineralization
Decreased endocrine pancreas function
Diminished leukocyte migration to sites of infection
Scanty lymph nodes and tonsils
Systolic murmur