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
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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
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
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
The pituitary hormone that stimulates the adrenal gland to secrete cortisone is
A. cortisol B. vasopressin C. corticosteroid D. thyrotropin E. corticotropin