Which of the Following Is a Characteristic of the Gastric

question 14

Multiple Choice

Which of the following is a characteristic of the gastric proton pump?

• A)It is a H⁺,K⁺-ATPase.
• B)It requires high levels of dietary K⁺ to create a K⁺ gradient.
• C)It maintains a pH gradient of about 4.6 across the mucosal cell membrane.
• D)It produces a net efflux of HCl into the stomach.

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