Which of the following layers of the digestive tract wall is a sparse layer of smooth muscle?
a. sub mucosa
b. mucosa
c. lamina propria
d. muscularis mucosa
e. serosa
D
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____________________ refers to the process of an intracellular vesicle fusing with the plasma membrane, then opening and emptying its contents to the exterior
Fill in the blank(s) with correct word
A decrease in O2 level in skeletal muscle would initiate an autoregulatory mechanism that would stimulate _________ in the arterioles supplying the muscle.
A. vasodilation B. vasoconstriction C. constriction of the precapillary sphincters D. peristaltic waves
Try this experiment. Pick one of the two examples, cover up the text, and focus solely on the art. What did you discover?
A) The art was not clear. B) Text is not helpful for learning A&P. C) The text-art integration is important for understanding what was described. D) The text-art integration was unnecessary. E) Art is not helpful for learning A&P.
NK cells attack
A) cancer cells. B) foreign cells. C) virus-infected cells. D) All of the answers are correct. E) None of the answers are correct.