If Cardiac Muscle Cells Are Unable to Repolarize, This Would

question 143

Multiple Choice

If cardiac muscle cells are unable to repolarize, this would cause

• A) cardiac output to increase.
• B) no harm. These cells can spontaneously depolarize anyway.
• C) the heart rate to decrease. It might cause cardiac arrest.
• D) an increased demand on mitochondria to produce more ATP.
• E) tachycardia.

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Definitions:

Positive Reinforcer

A stimulus that, when presented after a behavior, increases the likelihood of that behavior occurring again.

Negative Reinforcer

A stimulus whose removal following a behavior increases the likelihood of that behavior being repeated in the future.

Stimulus Generalization

The tendency for the conditioned response to be evoked by stimuli that are similar to the stimulus that was initially conditioned.

Stimulus Discrimination

The ability to distinguish between different stimuli, recognizing differences that are important for making different responses.