1. What is the most common cause of acute gastroenteritis in children? A) Rotavirus B) Salmonella C) E. coli D) Campylobacter Answer: A) Rotavirus 2. What is the most appropriate intervention for a child with croup who has mild respiratory distress and a barking cough? A) Administer oxygen via nasal cannula B) Give oral fluids and antipyretics C) Provide humidified air and reassurance D) Nebulize epinephrine and corticosteroids Answer: C) Provide humidified air and reassurance 3. What is the most common type of seizure in children? A) Absence seizure B) Generalized tonic-clonic seizure C) Complex partial seizure D) Febrile seizure Answer: D) Febrile seizure