Endemic goiter is principally caused by

ATI LPN

ATI LPN Test Bank

Endemic goiter is principally caused by:

A. poor diet habits B. drug toxicity C. genetic predisposition D. deficiency of iodine in soil & water

Correct Answer: D

Rationale: Endemic goiter results from iodine deficiency in the environment, impairing thyroid hormone synthesis.

There is a high incidence of peptic ulcer associated with:

A. hyperthyroidism B. hyperparathyroidism C. hypoparathyroidism D. pseudo- hypoparathyroidism

Correct Answer: B

Rationale: Hyperparathyroidism increases gastric acid secretion via hypercalcemia, raising peptic ulcer risk.

Hyperparathyroidism

A. low phosphorus B. high phosphorus C. low serum potassium D. Purpura

Correct Answer: A

Rationale: Hyperparathyroidism lowers serum phosphorus via renal excretion.

Subacute bacterial endocarditis

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

Correct Answer: D

Rationale: SBE is diagnosed with positive blood cultures showing causative organisms.

In the treatment of hypopituitarism, thyroid replacement should precede glucocorticoids replacement

A. TRUE B. FALSE C. D.

Correct Answer: B

Rationale: Glucocorticoids must precede thyroid replacement in hypopituitarism to avoid precipitating adrenal crisis.

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