Which of the following is correctly matched?

Correct Answer: A

Rationale: Alkalosis can cause hypokalemia due to potassium shifting into cells.

Correct Answer: A

Rationale: Angiotensin II stimulates thirst and ADH, increasing blood volume.

Correct Answer: C

Rationale: pH measures hydrogen ion concentration, inversely related to acidity.

Correct Answer: D

Rationale: More CO₂ forms carbonic acid, increasing H⁺ and lowering pH.

Correct Answer: B

Rationale: Low aldosterone reduces H⁺ secretion, as it normally promotes it with Na⁺ reabsorption.