1. Multiple Choice: Which vitamin is most critical for blood clotting? a) Vitamin A b) Vitamin C c) Vitamin K d) Vitamin E Answer: c) Vitamin K Rationale: Vitamin K is essential for the synthesis of proteins required for blood clotting, which is crucial in preventing excessive bleeding. 2. True/False: The primary role of carbohydrates is to provide structural support to body tissues. Answer: False Rationale: The primary role of carbohydrates is to provide energy to the body, particularly the brain and the nervous system, through glucose. 3. Fill-in-the-Blank: The mineral _______ is vital for maintaining fluid