The function of mucus in the stomach is to:
A) neutralize stomach acid.
B) activate pepsinogen to pepsin.
C) protect stomach cells from gastric juices.
D) emulsify fats.
E) denature proteins.
Correct Answer:
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Q37: The major digestive enzyme secreted by the
Q38: The digestion of proteins begins in the
Q39: "Peristalsis" is a term that refers to
Q41: Which nutrients must be broken down in
Q42: Villi are found in the:
A)esophagus.
B)stomach.
C)small intestine.
D)large intestine.
E)colon.
Q43: Which nutrient takes the longest to digest?
A)fat
B)sugar
C)vitamin
Q44: Which food would be digested most quickly?
A)a
Q45: In the GI tract, bacteria produce:
A)amylase.
B)pepsin.
C)mucus.
D)vitamin K.
E)bile.
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