Rami Has Gone into a Deep Depression After the Death

question 99

Multiple Choice

Rami has gone into a deep depression after the death of his mother, for whom he had provided daily care for more than two years after her first stroke. What role might cortisol play?

• A) Overresponse of the hippocampus may have led to reduced cortisol in the bloodstream, which is associated with depression.
• B) Underresponse of the hippocampus may have led to reduced cortisol in the bloodstream, which is associated with depression.
• C) Consistently elevated levels of cortisol due to stress can overwhelm the hippocampus's feedback loop and lead to excess levels of cortisol in the bloodstream, which is associated with depression.
• D) Erratic levels of cortisol due to stress can disrupt the hippocampus's feedback loop and lead to erratic levels of cortisol in the bloodstream, which is associated with manic depression.

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Definitions:

Degrees of Freedom

The sum of independent quantities or values able to be set for a statistical distribution.

Population Variances

A measure of the variance within an entire population, indicating the average of the squared differences from the mean.

Test Statistic

A standardized value calculated from sample data during a hypothesis test; used to decide whether to reject the null hypothesis.

Confidence Interval

A variety of values taken from statistics of a sample, presumed to hold the value of a not yet known population attribute.