Certified Clinical Medical Assistant Exam Practice Question
Which of the following is a water-soluble vitamin that primarily serves as a metabolizer?
Correct Answer: B
Rationale: Vitamin B is a water-soluble vitamin essential for energy metabolism, as it encompasses a group of vitamins that play critical roles in converting food into energy. It includes B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B7 (biotin), B9 (folate), and B12 (cobalamin), all of which contribute to metabolic processes.
Option A (Vitamin A) is fat-soluble and primarily involved in vision and immune function, not metabolism. Option C (Vitamin D) is also fat-soluble, mainly regulating calcium and phosphate in the body. Option D (Vitamin E) serves as an antioxidant and is fat-soluble, focusing on protecting cells rather than directly metabolizing food.
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