Kevin Was a Participant in a Clinical Study to Determine

question 25

Multiple Choice

Kevin was a participant in a clinical study to determine how much niacin cures pellagra, the niacin deficiency disease. During the study, he consumed only a formula diet that was deficient in niacin. After developing pellagra, he was given 2 mg of niacin a day for 2 weeks, but he still suffered from the disease, so the scientists added 2 mg of the vitamin to Kevin's formula. By the beginning of the 5th week of the study, the researchers noticed that Kevin's signs and symptoms were greatly improved. At the end of the 5th week, he was feeling fine. The researchers concluded that

• A) Kevin's niacin requirement was about 4 mg a day.
• B) Kevin's daily value for niacin was 4 mg a day.
• C) the AI for niacin should be 4 mg plus 60 mg as a margin of safety.
• D) the RDA for niacin should be 4 mg.

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Definitions:

Compounded Semi-annually

The process of calculating interest on both the initial principal and the accumulated interest of a deposit or loan every six months.

Monthly Payments

Regular payments made once a month, often in the context of loans or rent.

Compounded Monthly

Interest calculation method where interest is added to the principal balance each month, and future interest accrues on the total amount.

Principal Balance

The outstanding amount of a loan or debt not including interest or other charges.