Multiple Choice
The stomach is protected from digesting itself by producing ________.
A) bicarbonate only when food is in the stomach
B) a thick layer of mucus to coat the lining of the stomach
C) hydroxyl ions to neutralize the acid
D) antipepsin that destroys digestive substances
Correct Answer:

Verified
Correct Answer:
Verified
Q74: The villi found in the gastrointestinal tract
Q75: Gastrin,secretin,CCK,and gastric inhibitory peptide are examples of
Q76: Human digestion of food begins in the
Q77: Most of the water in the gastrointestinal
Q78: What would happen to the lining of
Q79: Fat-soluble vitamins are absorbed directly into the
Q80: Bicarbonate ions (HCO<sub>3</sub>-)from the pancreas _.<br>A)neutralize the
Q81: Tissues are defined as _.<br>A)functional systems<br>B)complex organs
Q83: The hepatic portal system delivers nutrients from
Q84: Using mineral oil as a laxative can