Which of the following statements regarding pepsin is true?
A) It is secreted by parietal cells in gastric pits.
B) It is secreted as an inactive proenzyme.
C) It accomplishes most of the digestion of dietary protein.
D) It is permanently denatured by a pH less than 4.0.
Correct Answer:
Verified
Q2: Parasympathetic stimulation of the stomach would
A) decrease
Q3: Gastric emptying is inhibited by high fat
Q5: Most of the parasympathetic innervation of the
Q6: Pancreatic secretions are high in
A) hydrochloric acid.
B)
Q7: In general, activation of sympathetic nerves to
Q11: The primary stimulus for pancreatic secretion is
A)
Q11: The longitudinal layer is composed of striated
Q12: Chief cells secrete
A) pepsinogen.
B) hydrogen chloride.
C) intrinsic
Q13: Brush-border enzymes are produced by _ cells.
A)
Q17: Most nutrient digestion and absorption occurs in
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