Most common cause of acute osteomyelitis in children:

Most common cause of childhood obesity:

A patient develops a rising creatinine after starting an ACE inhibitor. Most likely cause?

6-year-old, fever, refuses to bear weight, very painful hip movement.

An 8-month-old with fever, coryza, and a bulging red tympanic membrane. Most appropriate initial management?

Which child with suspected acute otitis media should receive immediate antibiotics?

Which is a recognized complication of untreated AOM?

A 3-month-old presents with severe hypoglycemia, lactic acidosis, doll-like facies, and hepatomegaly. Most likely diagnosis?

Protuberant abdomen in von Gierke disease is due to:

Boy with advanced bone age, pubic hair, acne, low LH, normal testes. Most likely diagnosis?

A young girl with precocious puberty, advanced bone age, high FSH/LH, and normal MRI. Most likely diagnosis?

Recommended treatment for idiopathic precocious puberty:

Why is MRI brain recommended in central precocious puberty?

A patient has Na 136, glucose 90, BUN 21. What is serum osmolality?

All are features of diabetic ketoacidosis EXCEPT:

Pancreatic beta cells are infected by all EXCEPT:

First abnormality in iron deficiency anemia:

A newborn with severe cyanosis, narrow mediastinum, minimal response to O₂, improved with PGE1. Next step?

Which is associated with later type 1 diabetes?

Most common organism causing purulent discharge through tympanostomy tube: