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ATI RN · Endocrinology · Endocrinology Exam Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Commonest enzymatic defect for development of congenital adrenal hyperplasia is:

A. C-21 hydroxylase deficiency

B. 3b dehydrogenase deficiency

C. C-11 hydroxylase deficiency

D. C-17 hydroxylase deficiency

Correct Answer: C-21 hydroxylase deficiency

Question 2 of 5

Diabetes Insipidus is a deficiency of what hormone?

A. Atrial Natriuretic Peptide

B. Vasopressin

C. Aldosterone

D. Insulin

Correct Answer: Vasopressin

Question 3 of 5

The receptors for non-steroid peptide hormones are found on the ______.

A. plasma membrane

B. nuclear envelope

C. mitochondria

D. lysosomes

Correct Answer: plasma membrane

Question 4 of 5

Oxytocin:

A. is bound to neurophysin in plasma.

B. inhibits production of milk.

C. inhibits myometrial contraction.

D. inhibits sperm swimming on the gonad.

Correct Answer: is bound to neurophysin in plasma.

Question 5 of 5

All of the following are potential causes of elevated LDL , except:

A. Cirrhosis

B. Hypothyroidism

C. Nephrotic syndrome

D. Thiazide diuretics

Correct Answer: Cirrhosis

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