MCAT Question of the Day
Which of the following experiments would provide the best supporting evidence that niacin increases HDL levels?
A. Comparing postprandial HDL levels with niacin levels for multiple human subjects over a 3 month period.
B. Comparing HDL levels in animals administered niacin with those administered a control solution, while controlling for other variables such as baseline HDL levels, age, and diet.
C. Measuring niacin levels in patients with high HDL levels.
D. Measuring niacin levels in patients with low HDL levels.
Scroll down for the answer and video explanation.
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The correct answer is B.
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