Use Case C to Answer the Following Questions

question 11

Multiple Choice

Use Case C to answer The Following questions
CASE C
A heavy tea drinker just purchased over-the-counter whitening strips to see if her discolored teeth could be whitened. She wants to know if using whitening strips is better than using the professional custom bleaching tray system at home. You want to provide an evidence-based answer (based on a search of the research literature) .
-Which type of study will provide the BEST evidence to answer the client's question?

• A)Case-control studies
• B)Randomized controlled clinical trials
• C)In vitro research
• D)Case reports

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Definitions:

Populations

Groups of individuals belonging to the same species that live in the same area and are capable of interbreeding.

Founder Effects

A genetic phenomenon where a new population starts from a small number of individuals, leading to a reduced genetic diversity relative to the original population.

Genetic Drift

A mechanism of evolution that causes random changes in the frequency of alleles in a population over time.

Gene Flow

The transfer of genetic variation from one population to another, which can lead to changes in the gene pools of both populations.