If the tubular filtrate becomes too acidic, what is secreted by the tubular epithelial cells to buffer the secreted H⁺ A)HCO₃^- B)OH^- C)NH₃ D)NH₄⁺

Name: If the tubular filtrate becomes too acidic, what is secreted by the tubular epithelial cells to buffer the secreted H⁺ A)HCO₃ - B)OH - C)NH 3 D)NH 4 +
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Quizplus · Accepted Answer

Ammonia (NH₃) is secreted by the tubular epithelial cells to buffer the secreted H⁺, as it can combine with H⁺ to form ammonium (NH₄⁺), which is then excreted in urine.

If the Tubular Filtrate Becomes Too Acidic, What Is Secreted