Anatomy & the EKG

The stiffening of blood vessels due to fatty plaque buildup is called ____________.

• Cardiac Arrest

• Acute Coronary Syndrome

• Artherosclerosis

• Myocardial Ischemia

What is the contraction phase of a heartbeat?

• Impulse

• Diastole

• Systole

• Cardiac

Which chamber of the heart receives oxygenated blood from the lungs?

• Right Atrium

• Left Atrium

• Left Ventricle

• Right Ventricle

Which of these tissues is known as the body's "natural pacemaker?"

• Bundle of HIS

• SA Node

• Purkinje Fibers

• AV Node

Which component of the ECG cycle shows ventricular depolarization?

• T

• V

• QRS

• P

What is the leading cause of death in American adults?

• Heart Disease

• Stroke

• Angina

• Diabetes

Which chamber of the heart contracts to send oxygenated blood through the aortic valve and out to the body's cells?

• Left Ventricle

• Left Atrium

• Right Ventricle

• Right Atrium

A reduction in blood flow to the heart is called ____________.

• myocardial ischemia

• Acute Coronary Syndrome

• Cardiac Arrest

• Atherosclerosis

When does cardiac arrest occur?

• When blood flow to the heart is blocked

• When the heart stops beating unexpectedly

• When blood to the heart causes intense chest pains

• When the heart functions abnormally

Any condition that causes the heart to function abnormally is called what?

• Cardiac arrest

• Heart Disease

• Cardiac Compromise

• Heart Attack