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HESI LPN · HESI LPN Pharmacology · HESI Vitamin Drugs

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Succimer

A. Can significantly mobilize essential metals

B. Produces less toxicity than Dimercaprol

C. Is ineffective orally

D. Is contraindicated in children

Correct Answer: Produces less toxicity than Dimercaprol

Question 2 of 5

Vitamin B12 is a required co-factor for the following reaction

A. Conversion of methylmalonyl-CoA to succinylCoA

B. Conversion of $5-\mathrm{CH}_3-\mathrm{H}_4$-folate to $\mathrm{H}_4$-folate

C. Conversion of homocysteine to methionine

D. All of the above

Correct Answer: All of the above

Question 3 of 5

The following derivatives of retinal shows the greatest biological potency than others

A. 9-Cis-retinoic acid

B. All-trans-retinoic acid

C. All-trans-retinol

D. 11-Cis-retinal

Correct Answer: All-trans-retinoic acid

Question 4 of 5

Thiamine is vitamin

A. B1

B. B2

C. B6

D. B12

Correct Answer: B1

Question 5 of 5

Therapeutically vitamin B1 has been employed most successfully in the treatment of

A. Microcytic anemia

B. Pellagra

C. Scurvy

D. Beriberi

Correct Answer: Beriberi

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