Entamoeba Histolytica

question 33

Multiple Choice

Entamoeba histolytica

• A) causes amebiasis.
• B) may form cysts.
• C) cysts survive passage through the stomach.
• D) may produce a cytotoxic enzyme.
• E) All of the choices are correct.

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Definitions:

Spontaneous Recovery

The return of a previously eliminated conditioned response following a period of no exposure.

Delayed Reinforcers

Rewards or consequences that are not immediately given after the desired behavior, but after a time delay, which can still effectively modify behavior.

Classical Conditioning

The instruction process by which two stimuli, when paired together repeatedly, cause a reaction that was once only induced by the second stimulus to be triggered by the first stimulus alone.

Primary Reinforcers

Fundamental stimuli that satisfy basic biological needs, such as food, water, and air, and do not require learning to be effective.