What happens to testosterone as a man ages?
A. It increases as men get older.
B. It does not change as men get older.
C. It decreases as men get older.
D. Age does not determine whether testosterone increases or decreases.
Answer: C
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Which of the following is NOT a function of lymph nodes?
A) act as lymph filters and activate the immune system B) produce lymphoid cells and house granular WBCs C) serve as antigen surveillance areas D) produce lymph fluid and cerebrospinal fluid
When blood glucose levels rise,
A) insulin is released. B) glucagon is released. C) peripheral cells take up less glucose. D) protein synthesis decreases. E) peripheral cells break down glycogen.
Which predisposing factor refers to the genetic makeup of an individual?
A. Gender B. Environment C. Heredity D. Lifestyle
The testicles belong to which two systems?
A. Endocrine and excretory B. Reproductive and excretory C. Reproductive and lymphatic D. Reproductive and endocrine