What substance is secreted by the proximal-tubule cells and prevents the pH of urine from becoming too acidic?
A)bicarbonate
B)salt
C)glucose
D)ammonia
E)NaOH

Name: What substance is secreted by the proximal-tubule cells and prevents the pH of urine from becoming too acidic? A)bicarbonate B)salt C)glucose D)ammonia E)NaOH
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Question

Quizplus · Accepted Answer

Ammonia is secreted by the proximal-tubule cells and acts as a buffer to neutralize excess hydrogen ions, preventing the urine from becoming too acidic.

What Substance Is Secreted by the Proximal-Tubule Cells and Prevents