Which Structure Is Considered the Pacemaker of the Heart

question 13

Multiple Choice

Which structure is considered the pacemaker of the heart?

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

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Definitions:

Coronary Heart Disease

A condition characterized by reduced blood flow to the heart muscle due to build-up of plaque in the arteries of the heart.

Percent

A mathematical term representing a part per hundred, used to describe proportions, ratios, or fractions in terms of hundredths.

Deaths

The act of dying; the end of life; the total and permanent cessation of all the vital functions of an organism.

Culturally-Modified

Adjustments made to interventions, practices, or assessments to make them more relevant and effective in specific cultural contexts.