Which Structure Is Considered to Be the Natural Pacemaker of the Heart

question 57

Multiple Choice

Which structure is considered to be the natural pacemaker of the heart?

• A) Sinoatrial node
• B) Bundle of His
• C) Purkinje fibers
• D) Atrioventricular node

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Definitions:

Cognitive Map

A cognitive map is a mental representation of a person's physical environment, allowing them to navigate and understand spatial information.

Sunk Costs

Expenses that have already been incurred and cannot be recovered, which should not influence future business decisions.

Subsequent Decision Making

Refers to the process of making decisions that follow an initial decision, taking into account the outcomes and new information that have emerged since the first decision.

Escalation Of Commitment

The phenomenon where people increase their investment in a decision despite new evidence suggesting it may be wrong or doomed.