Multiple Choice
Which statement 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
Correct Answer:
Verified
Q10: Pancreatic secretions are high in<br>A) hydrochloric acid.<br>B)
Q11: Brush-border enzymes are produced by _ cells.<br>A)
Q12: Absorption of glucose and amino acids across
Q13: How much fluid is secreted from the
Q14: The sympathetic nerve endings in the GI
Q16: Which enzyme assists with protein digestion?<br>A) Amylase<br>B)
Q17: Which is associated with contraction of the
Q18: Carbohydrates are absorbed in the form of<br>A)
Q19: Most of the parasympathetic innervation of the
Q20: Older individuals may experience which change in