The Purpose of the AV Node Is to _______, and the Purpose

question 63

Multiple Choice

The purpose of the AV node is to _______, and the purpose of the Purkinje fibers is to _______.

• A) create simultaneous atrial and ventricular depolarization; speed up transmission of the cardiac impulse into the ventricle
• B) delay ventricular depolarization relative to atrial depolarization; insulate the cardiac impulse from the general ventricular fibers
• C) delay ventricular depolarization relative to atrial depolarization; ensure the cardiac impulse spreads rapidly and evenly throughout the ventricles
• D) delay atrial depolarization relative to ventricular depolarization; transmit the cardiac impulse to very small, localized groups of ventricular fibers
• E) initiate each heartbeat; transmit impulses to the atria

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Definitions:

Collude

The act of cooperating or conspiring, especially in a deceitful way, typically between competitors to fix prices or rig markets.

Oligopolists

Oligopolists are firms in a market where a small number of competitors hold significant market share, enabling them to influence market conditions.

Demand Curve

A graph showing the relationship between the price of a good and the quantity of the good that consumers are willing and able to buy at that price.

Elastic

Describes a situation where the quantity demanded of a good or service significantly responds to changes in price.