Increased catecholamines in the urine are diagnost

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ATI LPN Test Bank

Increased catecholamines in the urine are diagnostic of:

A. Cushing's syndrome B. carcinoid syndrome C. pheochromocytoma D. amyloidosis

Correct Answer: C

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

Wilson's disease

A. liver chemistries abnormal B. abdominal pain C. eosinophilia D. blood culture

Correct Answer: A

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

All are true except: hypothyroidism

A. warm, moist skin B. hair is brittle and dry C. large tongue and hoarseness D. pericardial effusion

Correct Answer: A

Rationale: Hypothyroidism causes brittle hair, large tongue, pericardial effusion, and slow DTR relaxation.

All the following are effects of glucagon, except:

A. increases glycogenolysis B. increases gluconeogensis C. direct effect to release insulin D. chromtropic effect upon cardiac muscle

Correct Answer: D

Rationale: Glucagon has no direct chronotropic effect on the heart; it promotes glycogenolysis, gluconeogenesis, and insulin release.

One of the following drugs which is useful in the treatment of myasthenia gravis is:

A. curare B. neostigmine C. cortisone D. quinidine

Correct Answer: B

Rationale: Neostigmine (cholinesterase inhibitor) enhances neuromuscular transmission in myasthenia gravis.

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