Which of the Following Statements Are True of the Stomach

question 22

Multiple Choice

Which of the following statements are true of the stomach? (Read carefully and select all of the correct statements.)

• A)Parietal cells secrete hydrochloric acid and the intrinsic factor.
• B)The hormone gastrin decreases gastric motility.
• C)Pepsin begins the chemical digestion of proteins.
• D)The external muscle layer has only the typical circular and longitudinal layers.
• E)The pyloric sphincter prevents backup of stomach contents into the esophagus.
• F)Parasympathetic impulses carried by the vagus nerves increase the motility of the stomach.

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