At the AV Node of the Conduction System, the Action

question 83

Multiple Choice

At the AV node of the conduction system, the action potential is

• A) rapidly advanced due to the cells being large and well connected by gap junctions.
• B) rapidly advanced due to the cells being small and well insulated by myelin.
• C) delayed due to the cells being small and having few gap junctions.
• D) delayed due to the cells being large and having many leakage channels.

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Definitions:

Correlation

A statistical measure that indicates the extent to which two variables fluctuate together, denoting a relationship but not causation.

Naturalistic Observation

The practice of observing subjects in their natural environments without any manipulation by the observer.

Correlational Studies

Research methods that explore the relationship between two or more variables to determine if a statistically significant association exists, without assuming causality.

Experiment

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact, typically involving the manipulation of variables under controlled conditions.