What laboratory findings would the nurse expect to find in Mr. Manning before surgery?

Correct Answer: B

Rationale: Hyperparathyroidism increases serum calcium and urinary phosphate excretion due to PTH-driven bone resorption and renal effects.

Correct Answer: B

Rationale: Neurosecretory neurons in the hypothalamus release hormones (e.g., ADH, oxytocin) into the blood.

Correct Answer: D

Rationale: Amines (e.g., epinephrine, thyroxine) are tyrosine-derived and secreted by thyroid and adrenal medulla.

Correct Answer: B

Rationale: Cyclic AMP is the primary second messenger for hydrophilic hormones (e.g., glucagon).

Correct Answer: B

Rationale: Thyroid hormone feeds back to inhibit TSH release from the anterior pituitary.