The helper cell:

A. Prevent or lessen certain diseases.
B. Stimulates immune response.
C. Regulates the immune system.
D. Destroys disease causing cells.


Answer: B

Health & Biomechanics

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A premature infant is born prior to the completion of ________ weeks of gestation.

A) 37 B) 25 C) 38 D) 40

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The average life expectancy for a chronic smoker is about _____ years shorter than that for a nonsmoker

a. 5 b. 10 c. 15 d. 20

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During progressive muscle relaxation, a person should tense a muscle group, and then _______________ their breath as they let go and let the muscles relax and become limp

Fill in the blank(s) with correct word

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The pituitary hormone that stimulates the adrenal gland to secrete cortisone is

A. cortisol B. vasopressin C. corticosteroid D. thyrotropin E. corticotropin

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