Which of the Following Statements Are True of the Stomach

question 12

Multiple Choice

Which of the following statements are true of the stomach (Select all that apply) ?

• 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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