Ions directly regulated by the kidney include all EXCEPT which of the following?
A) Na⁺
B) K⁺
C) Ca²⁺
D) HCO₃⁻
E) OH⁻

Question

Quizplus · Accepted Answer

The kidney does not directly regulate hydroxide ions (OH⁻), as they are formed as a result of water dissociation and are not actively regulated by the body. The kidney directly regulates the levels of sodium (Na⁺), potassium (K⁺), calcium (Ca²⁺), and bicarbonate ions (HCO₃⁻).

Ions Directly Regulated by the Kidney Include All EXCEPT Which