Which of the following statements concerning vitamin B1 functions are true:

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Quizlet Lifespan Considerations for Nursing Pharmacology with Rationals Questions

Question 1 of 5

Which of the following statements concerning vitamin B1 functions are true:

A. An extremely important antioxidant, which protects cell membrane lipids from peroxidation by breaking the chain reaction of free radical formation to which polyunsaturated fatty acids are particularly vulnerable B. An essential coenzyme for oxidative decarboxylation of alpha-keto acids, most important being conversion of pyruvate to acetyl coenzyme A C. Specifically required for synthesis of prothrombin and several other clotting factors D. Essential constituent of the flavoproteins, flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD)

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 5

These substances are vitamin-like compounds, EXCEPT:

A. Choline B. Vitamin PP C. Vitamin U (methylmethioninesulfonil chloride) D. Orotate acid

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

Which of the following enzymes is used in cancer therapy?

A. Pepsin B. Urokinase C. L-asparaginase D. Lydaze

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

Nicotinic acid (Niacin) plus a bile acid-binding resin has not proven effective in combating hyperlipidemia. This consideration is:

A. TRUE B. FALSE C. None D. All the above

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

All of the following statements concerning nicotinic acid (Niacin) are true, EXCEPT:

A. Both triglycerides and LDL cholesterol are reduced by this drug B. The drug acts by directly decreasing the rate of synthesis of apoproteins C. Doses higher than 3 gm/day are no longer used because of possible disturbances of hepatic or pancreatic functions D. Most patients taking this drug experience uncomfortable cutaneous flushing, itching, and/or rashes

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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