What is the role of serotonin in the digestive tract?
A. Decrease nausea
B. Stimulate motility
C. Inhibit motility
D. Hormone release
Answer: B
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The level of testosterone in the blood is increased by
A. the hypothalamus stimulating the testes to release LH. B. LH causing the interstitial cells to release testosterone. C. a high level of testosterone stimulating the testes to release more LH. D. a high level of testosterone stimulating the hypothalamus.
The tongue
A) holds food in place during mastication. B) plays a major role in swallowing. C) helps to form words during speech. D) is a major sense organ for taste. E) all of the above.
Motor-neuron axon terminals release ____________________, which brings about excitation and contraction of the innervated muscle cells
Fill in the blank(s) with correct word
Name the hormone and enzyme secreted by the kidneys
A) The kidneys secrete the hormone thrombopoietin and the enzyme aldosterone. B) The kidneys secrete the hormone aldosterone and the enzyme renin. C) The kidneys secrete the hormone antidiuretic hormone and the enzyme renin. D) The kidneys secrete the hormone natriuretic peptide and the enzyme aldosterone. E) The kidneys secrete the hormone erythropoietin and the enzyme renin.