Which of the Following Statements Are True of the Cardiac

question 10

Multiple Choice

Which of the following statements are true of the cardiac conduction pathway (Select all that apply) ?

• A)The electrical events along the pathway are triggered by the mechanical events of the chambers.
• B)The AV node depolarizes most rapidly.
• C)The heart's natural pacemaker is the SA node.
• D)The right and left bundle branches are in the interatrial septum.
• E)Purkinje fibers are in the walls of the ventricles.
• F)The AV bundle (of His)has a slower natural rate of contraction than does the AV node.

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Definitions:

Projection

A defense mechanism where individuals attribute their unwanted feelings, impulses, or thoughts onto someone else.

Denial

A defense mechanism in which confrontation with a personal problem or with reality is avoided by denying the existence of the problem or reality.

Displacement

In psychology, displacement is a defense mechanism where a person redirects a negative emotion from its original source to a safer, substitute target.

Projection

A defense mechanism where individuals attribute their own unacceptable thoughts, feelings, and motives to another person.