Which of the following is not correct regarding PCT?(a) It does not maintain the pH(b) It maintains the ionic balance of the body(c) It absorbs HCO3^– ions(d) It secretes potassium ionsI got this question in class test.My doubt stems from Function of Tubules-1 in chapter Excretory Products and Elimination of Biology – Class 11

Which of the following is not correct regarding PCT?(a) It does not ma

1.	Which of the following is not correct regarding PCT?(a) It does not maintain the pH(b) It maintains the ionic balance of the body(c) It absorbs HCO3^– ions(d) It secretes potassium ionsI got this question in class test.My doubt stems from Function of Tubules-1 in chapter Excretory Products and Elimination of Biology – Class 11
Answer» Right OPTION is (a) It does not maintain the pH For explanation I would say: PCT is responsible for maintaining the pH of the body fluids. It is also responsible for maintaining the IONIC balance of the body fluids by selective secretion of hydrogen ions, ammonia, and POTASSIUM ions into the FILTRATE. It also absorbs HCO3^– ions to maintain the ionic balance.

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