A Device That Substitutes for the Normal Pacemaker Cells of the Heart's

question 2

Multiple Choice

A device that substitutes for the normal pacemaker cells of the heart's electrical conduction system is a(n) :

• A) voluntary pacemaker.
• B) artificial pacemaker.
• C) universal pacemaker.
• D) central pacemaker.

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Definitions:

Unconditioned Stimulus

A stimulus that naturally triggers a response without the need for prior learning.

Conditioned Stimulus

A previously neutral stimulus that, after being associated with an unconditioned stimulus, comes to elicit a conditioned response.

Unconditioned Response

An automatic, natural reaction to a stimulus that occurs without previous conditioning or learning.

Conditioned Response

An acquired reaction to a stimulus that initially had no specific response but has been paired with an unconditioned stimulus through the process of conditioning.