The vagus nerve does not innervate the ________.
A) pancreas
B) kidneys
C) parotid gland
D) gallbladder
C) parotid gland
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What hormone(s) is/are secreted from the corpus luteum?
a. FSH b. estrogen c. progesterone d. all of these e. Both b and c
As food leaves the stomach, gastric secretion is reduced. Which of the following factors does not contribute to this reduction?
a. fat in the duodenum b. low gastric pH c. distention of the duodenum d. high concentration of acid in the stomach or duodenum e. pepsinogen in the duodenum
Why is it difficult for "weightless" astronauts in space to know whether they are right side up or upside down?
A) They can't see a horizon. B) The direction in which they are traveling changes rapidly. C) Maculae that report head position depend upon the gravitational pull on the otoliths. D) Sunrise and sunset are no longer linked to a 24-hour day.
Effector cells that respond to acetylcholine released from postganglionic neurons have
A. somatotrophic receptors. B. muscarinic receptors. C. adrenergic receptors. D. nicotinic receptors. E. macrotinic receptors.