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Hydrochloric Acid Production... of the Stomach (Quiz 2)

View the animation below, then complete the quiz to test your knowledge of the concept.

1The hydrogen ions used to form hydrochloric acid in the stomach are derived from
A)chloric acid.
B)citric acid.
C)carboxylic acid.
D)carbonic acid.
E)carbalcoholic acid.

2The ion exchange molecule in the plasma membrane of parietal cells exchanges ________ ions going out for ________ ions coming in.
A)bicarbonate ; chloride
B)bicarbonate ; potassium
C)bicarbonate ; hydrogen
D)potassium ; bicarbonate
E)chloride ; bicarbonate

3________ ions are actively transported into the gastric gland duct, in exchange for ________ ions which enter the parietal cells.
A)Potassium ; hydrogen
B)Potassium ; chloride
C)Hydrogen ; potassium
D)Hydrogen ; chloride
E)Chloride ; potassium

4The first step in the formation of hydrochloric acid is the active transport of carbon dioxide into the parietal cells.

5The enzyme carbonic anhydrase catalyzes the formation of bicarbonate from carbon dioxide and hydrogen.

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