The integrative centers for autonomic activity are located in the
A) cerebrum.
B) pons.
C) thalamus.
D) hypothalamus.
E) medulla oblongata.
Answer: D
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Which of the following statements is NOT true of the endocrine system?
A. It influences and is influenced by the nervous system. B. Most of its components are anatomically connected, like most other systems of the body. C. It is composed of glands that secrete chemical messengers into the blood. D. It is one of two major regulatory systems of the body. E. It is an important regulator of homeostatic mechanisms.
Except for the _______ region of the spinal cord, one sympathetic trunk ganglion is approximately associated with each spinal nerve
Fill in the blank with correct word.
Which of the following is NOT governed by the Food and Drug Administration (FDA)?
a. monitoring animals used for human consumption b. manufacturing standards of food additives c. monitoring medications used in animals d. issuing licenses to veterinarians to use controlled substances
In an arteriole, if the blood vessel radius is 2 units and then vasoconstricted to 1 units, the resistance:
a. the resistance decreases 16 times. b. the resistance increases 16 times. c. flow will be decreased. d. both (a) and (b) above. e. both (b) and (c) above.