Which Is TRUE Regarding the Secretion of HCl in the Stomach

question 9

Multiple Choice

Which is TRUE regarding the secretion of HCl in the stomach?

• A)H⁺ is actively transported into the gastric lumen by ATPase pumps in the mucosal membrane.
• B)H⁺ is actively cotransported into the lumen by secondary active transporters coupled to K⁺.
• C)The pH of the blood leaving the area of the parietal cells is lower than the normal ECF value of 7.4.
• D)H⁺ diffuses passively from mucosal epithelial cells into the lumen of the stomach,following Cl⁻.
• E)Cl⁻ and HCO₃⁻ are exchanged across the luminal membrane of epithelial cells via a passive transport protein.

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