Which of the following is a feature of peristalsis?
A) It remains quiet between meals when the GI tract is empty
B) It occurs along the GI tract at a constant rate when food is present
C) It involves parallel and circular muscles found in the walls of the intestines but not the stomach
D) It consists of wavelike muscular contractions resulting from alternate tightening and relaxing of circular muscles and longitudinal muscles
Correct Answer:
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Q19: What structure functions to prevent entrance of
Q20: What is umami?
A)The flavor of monosodium glutamate
B)The
Q21: Which of the following is a function
Q22: During digestion of a meal,how many times
Q23: What types of enzymes are responsible for
Q25: Which of the following is a description
Q26: How many sphincters does the anus contain?
A)1
B)2
C)3
D)4
Q27: What is the function of mucus in
Q28: What is a function of hydrochloric acid
Q29: What is reflux?
A)Hard,dry,stools
B)Backward flow of chyme
C)Soft,poorly formed
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