What is the driving force for the movement of air into the lungs?
A. the pumping of the heart
B. the pressure gradient
C. the diffusion of gases
D .resistance generated in the blood vessels
Ans: B. the pressure gradient
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One difference between a gross anatomist and a histologist would be
A) the use of a microscope. B) the need to use sophisticated diagnostic imaging methods. C) one studies physiology and the other studies anatomy. D) which organ systems one studies. E) which diseases are seen.
Which statement about testosterone is incorrect?
a. Its secretion is stimulated by LH. b. It is secreted from the seminiferous tubules. c. It stimulates spermatogenesis. d. Its conversion to estrogen promotes closure of the epiphyseal plate. e. It stimulates protein synthesis and promotes bone growth.
If you wanted to increase the strength of your abdominal muscles, which exercise would be most effective?
A. Running B. Push-ups C. Chin-ups D. Swimming using the butterfly stroke E. Sit-ups
John has blood type B. In an emergency, John could receive which of the following blood types?
A. O only B. AB only C. B or O D. B only