Which Statement Concerning HCO₃- Excretion by the Kidneys Is INCORRECT

question 251

Multiple Choice

Which statement concerning HCO₃- excretion by the kidneys is INCORRECT?

• A) During HCO₃^- reabsorption, HCO₃^- in the tubular fluid is actively cotransported by K⁺.
• B) HCO₃^- is not excreted at pH = 7.4.
• C) Secretion of H⁺ is accompanied by the addition of new HCO₃^- to the plasma.
• D) HCO₃^- excretion increases during alkalosis.

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