Rats Previously Exposed to a Tone Followed by a Brief

question 66

Multiple Choice

Rats previously exposed to a tone followed by a brief intense electrical shock will show ________ when subsequently exposed to the tone (without shock) .

• A) reduced fear
• B) an unconditional emotional response
• C) reduced plasma levels of stress hormones
• D) behavioral arrest (freezing)
• E) grooming behavior

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Definitions:

Bond

A fixed income instrument representing a loan made by an investor to a borrower, typically corporate or governmental, which pays back with interest.

Interest Rate

The percentage of an amount of money charged by a lender to a borrower for the use of assets over a specific period.

Antique

An old collectible item that is valued because of its aesthetic or historical significance, often considered to be at least 100 years old.

Pleasure

The feeling of happiness or satisfaction resulting from an enjoyable activity or sensory experience.