The primary stimulus for release of adrenal medullary hormones comes from
A. the kidneys.
B. aldosterone.
C. the anterior pituitary.
D. the parasympathetic nervous system.
E. the sympathetic nervous system.
E
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When you take a deep bow, which of the following muscles do you use?
A. Iliopsoas B. Extensor hallucis longus C. Lumbricals D. Dorsal interosseous E. Gluteus maximus
Intercalated disks and striations are characteristic of skeletal muscle.
a. true b. false
The defecation reflex
a. is initiated when mass movements force fecal material into the rectum, stimulating stretch receptors in the rectal wall. b. involves relaxation of the internal anal sphincter and contraction of the sigmoid colon and rectum. c. can be overridden by voluntary contraction of the external anal sphincter. d. both (a) and (b) above. e. all of these answers.
Which of these functions is not associated with the reticular formation?
A. Cardiovascular control B. Habituation C. Pain modulation D. Sleep E. Hunger