Nationally Registered Certified Medical Assistant (NRCMA) (NAHP) Practice Exam

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Which vitamin is necessary for the proper clotting of blood?

  1. Vitamin C

  2. Vitamin D

  3. Vitamin A

  4. Vitamin K

The correct answer is: Vitamin K

Vitamin D, commonly found in dairy products, is necessary for bone growth and immune system defense. Vitamin C is critical for maintaining a healthy immune system, but it does not play a role in blood clotting. Similarly, Vitamin A is essential for maintaining healthy vision and skin, but it is not involved in blood clotting. Vitamin K is the necessary nutrient for proper blood clotting and is often found in leafy green vegetables.

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