1. A 6-month-old infant presents with a three-day history of cough and wheezing. On examination, the infant is afebrile and has diffuse wheezes. What is the most likely diagnosis? A. Asthma B. Bronchiolitis C. Pneumonia D. Foreign body aspiration Answer: B. Bronchiolitis Rationale: Bronchiolitis is common in infants and presents with cough, wheezing, and often without fever. 2. A 4-year-old child is brought to the clinic with a barking cough and stridor at rest. Which of the following is the most appropriate initial management? A. Oral antibiotics B. Nebulized epinephrine C. Inhaled corticosteroids D. Observation and supportive care Answer: B. Nebulized epinephrine Rationale: The child's symptoms are suggestive of croup, which can be effectively treated with nebulized epinephrine. 3. During a well-child visit, you notice a 2-year-old child has not met the expected language milestones. What is the next best step