How Did the Sinoatrial (SA) Node Most Likely Get Its

question 22

Multiple Choice

How did the sinoatrial (SA) node most likely get its name?

• A) It is on the side of the atrium.
• B) It lies at the opening of the coronary sinus.
• C) It is damaged by sinus infections (head colds).
• D) It develops from the sinus venosus and lies in an atrium.

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Definitions:

DSM-5

The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, a comprehensive classification system used by mental health professionals to diagnose mental disorders.

Medical Model

A framework that views psychological disorders as diseases with biological causes, diagnosable symptoms, and possible medical treatments.

Diagnosis

The identification of the nature and cause of a certain phenomenon, typically after a thorough examination or assessment.

Confirmation Bias

The inclination to look for, interpret, prioritize, and remember information in a manner that validates one's existing beliefs or assumptions.