Which of the following is most likely to happen to a group of students who relax by drinking a pitcher of their favorite beverage?

Correct Answer: A

Rationale: Fluid intake (e.g., beer) increases blood volume, reducing ADH and increasing urine volume.

Correct Answer: B

Rationale: High potassium levels stimulate aldosterone release to restore balance.

Correct Answer: C

Rationale: PTH and vitamin D regulate calcium absorption and resorption.

Correct Answer: C

Rationale: Loss of PTH reduces calcium mobilization, leading to hypocalcemia.

Correct Answer: C

Rationale: Sensible perspiration is sweat gland secretion, visible on the skin.