What Dietary Supplement Ingredient Has Been Tested for Its Ability

question 27

Multiple Choice

What dietary supplement ingredient has been tested for its ability to improve memory in Alzheimer's disease,but has produced only small and unreliable improvements in published research?

• A)lobelia
• B)androstenedione
• C)Ginkgo biloba
• D)St.John's wort

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Definitions:

Half-lives

The time required for half of a particular substance or entity to undergo a process, such as radioactive decay.

Dike Unit

A geological feature consisting of a vertical or steeply inclined sheet of rock that formed from magma intruding into cracks or fissures within the earth's crust.

Mortality Table

A statistical table showing the probability of death for individuals at each age, used by insurance companies to determine premiums.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.