Choose the Correct Statement About Interferons

question 89

Multiple Choice

Choose the correct statement about interferons.

• A) Interferons are part of the complement system.
• B) Interferons impart resistance to viral infections.
• C) Interferons secrete cytokines which trigger apoptosis.
• D) Interferons engage in agglutination and are thus similar to antibodies.
• E) Interferons interfere with antigen recognition on CD 4 cells.

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Definitions:

Aversive Events

Incidents or stimuli that are unpleasant or noxious, leading to avoidance behavior.

Fixed-interval

Refers to a schedule of reinforcement where a response is rewarded only after a specified amount of time has elapsed.

Fixed-ratio

A method of reinforcement where only after a certain number of responses are completed is a reward provided.

Operant Conditioning

A strategy in behavioral training where the intensity of actions is adjusted through the provision of rewards or the imposition of consequences.