Trendelenburg sign indicates injury to the:

A child with palpable purpura on the legs, abdominal pain, and hematuria most likely has:

A child presents after a viral illness with petechiae, purpura, and platelet count of 30,000/µL, but otherwise normal labs and well appearance. Most likely diagnosis?

The most feared complication of ITP is:

First-line treatment for severe symptomatic ITP is:

A child with recurrent fractures, short stature, blue sclera, and hearing loss most likely has:

A child with sudden nighttime episodes of stridor and breathing difficulty, but otherwise well and afebrile, most likely has:

A child treated with racemic epinephrine for croup should be observed because:

A child with croup has stridor at rest and intercostal retractions. Which therapy provides rapid but temporary symptom relief?

Which medication provides the most sustained improvement in croup symptoms?

Anterior shoulder dislocation most commonly injures the:

A child presents with sore throat, oral ulcers, and maculopapular lesions on the hands, feet, arms, and legs. What are the two most likely causative organisms?

A child has fever ≥5 days + conjunctivitis + rash + strawberry tongue + lymphadenopathy. Diagnosis?

Bilateral red eyes in Kawasaki disease are typically:

Most important complication of Kawasaki disease:

A child is treated with IVIG for Kawasaki disease. Which vaccines should be delayed for about 11 months?

A child is on long-term aspirin therapy (e.g., for Kawasaki disease). Which vaccine is specifically recommended annually?

Why is influenza vaccination important in children on chronic aspirin therapy?

An infant has macrocytic anemia without hypersegmented neutrophils, plus congenital anomalies (webbed neck, thumb abnormalities). Diagnosis?

A child with absent thumbs, short stature, microcephaly, skin pigment changes, and pallor most likely has: