The SA Node

question 1

Multiple Choice

The SA node

• A) generates excitatory signals for muscle contraction.
• B) is under voluntary control.
• C) receives electrical signals from the AV node.
• D) is located in the right atrium.
• E) is all of these.

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Definitions:

Avoidance Learning

A type of learning whereby an individual learns a behavior to avoid an unpleasant or harmful stimulus.

Extinction

The process through which a previously learned behavior diminishes in frequency or intensity when the reinforcement is no longer presented.

Omission Training

A schedule of reinforcement in which the absence of response leads to reinforcement.

Bank Robbing

The act of illegally entering a bank with the intent to steal money or valuable securities.