A vitamin that aids blood clotting is

A) vitamin A. B) vitamin D. C) niacin. D) vitamin K.

D

Health & Biomechanics

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Simplify the following. 8÷2-(-9)^2

A) 85 B) –5 C) 22 D) –14 E) –77

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The most common sexually transmitted infection in the United States is

A. the human immunodeficiency virus (HIV). B. hepatitis C. C. chlamydia. D. the human papillomavirus (HPV).

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Most opposition to the use of play, games, and sports in physical education came from

A. Edward Hartwell. B. Edward Hartwell and advocates of gymnastics. C. advocates of gymnastics. D. None of the answers are correct.

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An officer may exhibit irrational behavior such as repetitive non productive activities.

a. Heart rates above 175 b. Heart rates above 200 c. Heart rates above 115

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