A Group of Rats Was Exposed to the Uncontrollable Stress

question 134

Multiple Choice

A group of rats was exposed to the uncontrollable stress associated with being forced to swim for 15 minutes in cold water from which they cannot escape. What did researchers notice when they observed these animals?

• A) Most rats were immune to the effects of the stress.
• B) The rats' depression was reduced by the high level of physical activity.
• C) The stress caused a form of brain damage that first led to motor retardation and then death.
• D) The rats that exhibited symptoms similar to depression had altered neurotransmitter levels.

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Definitions:

Social Identity

A person's sense of who they are based on their group membership(s), including nationality, ethnicity, religious affiliation, and social class.

Sense of Stability

The feeling of consistency, security, and confidence in one's life or environment.

Daily Rhythm

The natural cycle of physical, mental, and behavioral changes that the body goes through in a 24-hour period, influenced by light and darkness in an organism's environment.

Accomplishment

A successful achievement or completion of a task.