Hashimoto's thyroiditis is manifested clinically by all but one of the following:

Correct Answer: D

Rationale: Hashimoto's is a chronic autoimmune condition, not acutely inflamed, unlike subacute thyroiditis.

Correct Answer: D

Rationale: Cold (nonfunctional) thyroid nodules have a higher malignancy risk and often warrant surgical removal.

Correct Answer: C

Rationale: Elevated urinary catecholamines are specific for pheochromocytoma, a catecholamine-secreting tumor.

Correct Answer: B

Rationale: Renal failure (shutdown) increases phosphorus due to reduced excretion.

Correct Answer: A

Rationale: Wilson's disease impairs liver function, altering liver chemistries.