Multiple Choice
In the basolateral membrane of proximal tubular cells, bicarbonate is moved out of the cells by
A) K+/HCO3 -countertransporters only.
B) HCO3 -/Cl -countertransporters only.
C) Na+/HCO3 - cotransporters only.
D) both K+/HCO3 - and HCO3 -/Cl -countertransporters.
E) both HCO3 -/Cl - countertransporters and Na+/HCO3 -cotransporters.
Correct Answer:

Verified
Correct Answer:
Verified
Q84: The maintenance of plasma calcium has important
Q85: Which of the following conditions is NOT
Q86: Which of the following is an effect
Q87: What is the secondary defense against changes
Q88: In the proximal tubule, sodium moves from
Q90: The recovery of sodium from the filtrate
Q91: What solute is primarily responsible for producing
Q92: Renal and respiratory compensation refers to the
Q93: The balance of acid and base within
Q94: In the proximal tubule, hydrogen ions are