In Most Prospective Studies

question 85

Multiple Choice

In most prospective studies,

• A) analogue research is used because of the ethical problems with other experimental research.
• B) a representative sample of a general population of adults is used.
• C) children who share a risk factor for a disorder are studied before signs of the disorder show up.
• D) large samples of individuals are interviewed to see if there are any risk factors that differentiate those with the disorder of interest.

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Definitions:

Fruit Ripening

The physiological process by which fruits undergo chemical changes, becoming sweeter, less green, and softer.

Hormone

Chemical messengers produced by the endocrine glands that regulate various bodily functions by traveling through the bloodstream to target organs.

Phytochromes

A type of photoreceptor in plants that absorbs light to regulate growth, development, and flowering in response to environmental conditions.

Nonphotosynthetic

Organisms or cells that do not have the ability to convert light energy into chemical energy through photosynthesis.