Which Represents the Correct Order in Which Action Potentials Spread

question 20

Multiple Choice

Which represents the correct order in which action potentials spread from the atria to the ventricles during a normal heartbeat in the mammalian heart?

• A) Atrioventricular node  bundle of His  Purkinje fibers
• B) Atrioventricular node  Purkinje fibers  bundle of His
• C) Purkinje fibers  bundle of His  atrioventricular node
• D) Sinoatrial node  Purkinje fibers  bundle of His
• E) Sinoatrial node  ventricular muscle cells  Purkinje fibers

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Definitions:

Esteem Needs

A psychological necessity for human beings that entails the desire for self-respect, self-esteem, and the respect of others; part of Maslow's hierarchy of needs.

Self-actualization

The realization or fulfillment of one's talents and potentialities, often considered as the drive for personal development and peak experiences.

Artistic Endeavours

Creative activities or projects that involve art, such as painting, writing, or performing.

Self-discrepancy Theory

A psychological model proposing that individuals compare their actual self to internalized standards or desired self-concepts, leading to emotional discomfort when discrepancies exist.