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HESI RN · HESI Pharmacology · Vitamin Drugs

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Vitamin K is indicated for the treatment of bleeding occurring in patients

A. Being treated with heparin

B. Being treated with streptokinase

C. Of obstructive jaundice

D. Of peptic ulcer

Correct Answer: Of obstructive jaundice

Question 2 of 5

Conversion of methionine to cysteine depends on vitamin

A. B1

B. B2

C. B6

D. B12

Correct Answer: B6

Question 3 of 5

The gut controls the entry of ingested iron in the body of

A. Regulating the availability of apoferritin which acts as the carrier of iron across the mucosal cell

B. Regulating the turnover of apoferritin-ferritin interconversion in the mucosal cell

C. Complexing excess iron to form ferritin which remains stored in the mucosal cell and is shed off

D. Regulating the number of transferring receptors on the mucosal cell

Correct Answer: Complexing excess iron to form ferritin which remains stored in the mucosal cell and is shed off

Question 4 of 5

Megaloblastic anemia is caused by deficiency of

A. Iron

B. Vitamin $B_{12}$

C. Vitamin C

D. All of the above

Correct Answer: Vitamin $B_{12}$

Question 5 of 5

Concentrations of retinal in plasma in excess of $\mu \mathrm{g} / \mathrm{dl}$ usually are diagnostic of hypervitaminosis $A$

A. 10

B. 50

C. 100

D. 200

Correct Answer: 100

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