What Is the Name of the Knot of Modified Myocardium

question 52

Multiple Choice

What is the name of the knot of modified myocardium that initiates and regulates the heartbeat?

• A) Medulla
• B) AV node
• C) SA node
• D) Bundle branches

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Definitions:

Identity Achievement

A stage in adolescent development where individuals have explored and committed to a set of personal beliefs and goals.

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or otherwise sensed, which develops in early infancy.

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The state or fact of having objective reality or being, encompassing all entities, events, or phenomena that are considered real or conceivable.

Substance

In the context of health and psychology, often refers to psychoactive drugs that can affect mental processes and that may be subject to abuse.