1. When performing CPR on an adult, what is the recommended compression-to-ventilation ratio? A) 15:2 B) 30:2 C) 5:1 D) 10:1 Correct Answer: B) 30:2 Rationale: The American Heart Association recommends a compression-to-ventilation ratio of 30:2 for adults to ensure adequate circulation and oxygenation during CPR. 2. In the event of a needlestick injury, what is the first step a medical assistant should take? A) Wash the area with soap and water B) Apply a bandage C) Squeeze the wound to encourage bleeding D) Report the incident to a supervisor Correct Answer: A) Wash the