Practice Quiz

Registered Dietitian Exam Prep

Category - Dietitian

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The digestive hormone gastrin exerts all of the following effects except:
  1. Increased esophageal sphincter pressure
  2. Decreased pepsinogen production by the stomach
  3. Increased gallbladder contraction
  4. Increased HCL production by the parietal cells
Explanation
Answer: B - The digestive hormone gastrin increases pepsinogen production by the stomach, in response to the presence of protein foods. Gastrin also increases esophageal sphincter pressure, increases gallbladder contraction, an dincreases HCL production by the parietal cells of the stomach.
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