Which of the Following Mechanisms Is Accurate in Describing the Effect

question 4

Multiple Choice

Which of the following mechanisms is accurate in describing the effect of sunlight on seasonal affective disorder (SAD) ?

• A) Sunlight is conveyed via the retina to the pineal gland that blocks conversion of serotonin to melatonin.
• B) Sunlight stimulates the hypothalamus, which causes melatonin to be released into the blood stream.
• C) Sunlight is directly connected to the cerebrum via neuro pathways resulting in suppression of serotonin.
• D) Sunlight is blocked by the retina from entering the neuro pathways resulting in activation of melatonin production.

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Definitions:

Sample Information

Data collected from a subset of a larger population, used to make inferences about the population.

T-Distribution

A type of probability distribution that is symmetric and bell-shaped, but with heavier tails than a normal distribution, used especially in statistics for small sample sizes.

Normally Distributed

Refers to a type of probability distribution that is evenly balanced around the mean, indicating that values close to the mean occur more often than values further from the mean.

Population

The entire group of individuals or instances about whom the data is collected and which the statistical analysis is based upon.