1. Multiple Choice: Which of the following is the most common cause of acute otitis media in children? A. Streptococcus pneumoniae B. Haemophilus influenzae C. Moraxella catarrhalis D. Staphylococcus aureus Correct Answer: A. Streptococcus pneumoniae Rationale: Streptococcus pneumoniae is the most common bacterial pathogen responsible for acute otitis media in children. 2. Fill-in-the-Blank: The first-line treatment for pediatric communityacquired pneumonia is ________. Correct Answer: Amoxicillin Rationale: Amoxicillin is recommended as the first-line treatment due to its effectiveness against the most common causative agents and its safety profile. 3. Multiple Responses: S