Which of the Following Statements About Renal Control of Blood

question 44

Multiple Choice

Which of the following statements about renal control of blood acid-base balance is TRUE?

• A) Increased metabolism of glutamine by renal tubular cells increases the plasma bicarbonate concentration.
• B) Excretion in the urine of hydrogen bound to phosphate buffers decreases plasma bicarbonate concentration.
• C) H⁺ that binds to filtered bicarbonate in the tubular fluid is excreted in the urine.
• D) When hypoventilation occurs at the lungs, the kidneys compensate by reducing glutamine metabolism.
• E) The kidneys compensate for a metabolic alkalosis by increasing CO₂ production.

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