Antibodies provided by serum from an immune donor or an animal donor do not challenge the B cells and thus provide ________
A) cellular or cell-mediated immunity
B) active immunity
C) natural immunity
D) passive immunity
D
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Which hormone promotes the final step of spermatogenesis?
a) Relaxin b) Testosterone c) Inhibin d) Estrogen e) Aldosterone
The volume entering or leaving the lungs during a single breath is called the
a. tidal volume. b. expiratory reserve volume. c. inspiratory reserve volume. d. residual volume. e. inspiratory capacity.
Which of the following best describes a cell's response to being placed into an extracellular solution that is hypertonic to the cytosol?
A) crenation B) lysis C) no net gain or loss of water D) swelling
The female climacteric refers to the
A. cessation of menstruation. B. time from the onset of irregular menstrual cycles to cessation of those cycles. C. decrease in the sexual drive. D. inability to have sexual intercourse. E. PMS.