Acid–Base Regulation by the Kidney
Anatomy and Physiology · Flashcards
ANATOMY AND PHYSIOLOGY · FLASHCARDS
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QUESTION
Which apical transporter secretes most H+ into the lumen of the proximal tubule?
QUESTION
Which nephron segment reabsorbs most of the filtered bicarbonate?
QUESTION
What are the two main urinary buffers that let the kidney excrete H+?
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ANSWER
Phosphate (measured as titratable acid) and ammonia, which traps H+ as ammonium (NH4+).
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