What statement best describes the function of pyrogens?
A) Pyrogens increase secretion of thymosin.
B) Pyrogens are potent vasodilators.
C) Pyrogens interfere with the ability of bacteria or viruses to infect other cells.
D) Pyrogens cause the hypothalamic thermostat to reset to a higher range.
Answer: D
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A) temperature B) DPG C) carbon dioxide D) nitric oxide
An enzyme that transfers chemical groups among substrates is a
A) transferase. B) hydrolase. C) lipase. D) ligase. E) kinase.
The region of the brain that is smallest and oldest in evolutionary development is the
a. cerebellum. b. brain stem. c. hypothalamus. d. forebrain. e. basal nuclei.
Which of the following cranial nerves are not involved in stimulating salivary reflexes or taste buds?
A) Trigeminal (V) B) Facial (VII) C) Glossopharyngeal (IX) D) Vagus (X) E) Hypoglossal (XII)