Pain is selectively detected by ________
A) nociceptors
B) thermoreceptors
C) mechanoreceptors
D) proprioceptors
A
Explanation:
B) Thermoreceptors detect changes in temperature.
C) Mechanoreceptors are touch receptors.
D) Proprioceptors are stimulated by changes in body position.
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Why might someone pale when they are exposed to a cold temperature?
A. Vasodilation has occurred B. Vasoconstriction has occurred C. Purely psychological D. Dehydration of the stratum corneum E. Constriction of the dermal collagen and elastic fibers
Which of the following is true about the mode of secretion of exocrine glands?
A) Merocrine glands are not altered by the secretory process. B) Apocrine cells are destroyed, then replaced, after secretion. C) Holocrine cells are slightly damaged by the secretory process, but repair themselves. D) These glands are ductless.
Steroid hormones
A) all of the above. B) combine with protein receptor molecules. C) cause messenger RNA synthesis. D) are soluble in lipids.
Osmosis is the diffusion of _____ across a selectively permeable membrane
A. sugar B. sodium C. oxygen D. urea E. water