If the blood pH decreases below normal,the kidney tubules secrete:

Question

Quizplus · Accepted Answer

When the blood pH decreases below normal, it means the blood is becoming too acidic. In order to restore the normal pH level, the kidneys need to excrete more hydrogen ions from the blood into the urine. This is achieved through the secretion of more hydrogen ions into the renal tubules. Therefore, option B is the correct choice. Option A is incorrect because fewer hydrogen ions from blood to urine would only worsen the acidic state of the blood. Option C is also incorrect because the secretion of more sodium ions into the urine does not directly contribute to pH regulation.

If the Blood PH Decreases Below Normal,the Kidney Tubules Secrete