Question

question 51
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peristalsis
answers: a - e
a a sore in the lining of the digestive tract
b a yellow-green, bitter fluid important in the breakdown and absorption of fats
c a series of involuntary muscle contractions that move food through the digestive tract
d the process of chewing
e the inflammation of the appendix

Explanation:

To solve this, we analyze each option:

• Option A describes an ulcer, not peristalsis.
• Option B describes bile, not peristalsis.
• Option C: Peristalsis is defined as a series of involuntary muscle contractions that propel food through the digestive tract. This matches the definition.
• Option D describes mastication (chewing), not peristalsis.
• Option E describes appendicitis, not peristalsis.

Answer:

C. a series of involuntary muscle contractions that move food through the digestive tract