Aldosterone, which regulates body-fluid balance and blood pressure, is secreted by the:
A. adrenal cortex
B. adrenal medulla
C. anterior pituitary
D. posterior pituitary
A
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Osteomyelitis is an uncommon ______ infection of the bone
A) bacterial B) fungal C) protozoan D) viral
Because T cells are essential in graft rejection, nude mice, which lack a thymus
A. will reject grafts the same as wild-type mice. B. will reject grafts more vigorously than wild-type mice. C. will not reject grafts since they lack T cells. D. will not reject grafts since they lack B cells. E. will not reject grafts because of peripheral tolerance.
Weight management is accomplished by making a ____ physical activity and proper food selection?
A) ?good-faith effort at B) ?lifetime commitment to C) ?day-to-day run at D) ?seasonal adjustment to E) ?five-year commitment to
For beginners, significant strength increases seen during the first 2-3 weeks of training are largely related to ____
A) ?changes in muscle fiber type B) ?enhanced neural function C) ?greater energy stores in muscle D) ?muscle hypertrophy E) ?enhanced physiological adaptation