NCSF Sport Nutrition Specialist Certification Practice Test – Complete Exam Prep

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What is the primary function of vitamin K in the body?

Energy production

Blood clotting

Vitamin K's primary function in the body is as a key factor in the blood clotting process. It plays a crucial role in synthesizing specific proteins known as clotting factors that are required for blood coagulation. Without adequate amounts of vitamin K, the body cannot form the necessary proteins that facilitate the clotting of blood, which is essential for preventing excessive bleeding when injuries occur. This vitamin also contributes to bone health by assisting in the regulation of calcium within bones and the bloodstream, further emphasizing its importance in overall physiological functions.

While energy production, protein synthesis, and fat metabolism are vital bodily processes, they are not directly linked to the specific role of vitamin K, distinguishing it as primarily associated with blood clotting.

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Protein synthesis

Fat metabolism

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