EKG Chapter 1

What is #1

What is #4

What is #6

What is #9

Identify the directional position that does not indicate the front of the heart.

• Anterior
• Coronal
• Dorsal
• Ventral

Identify the heart wall that is not monitored on a standard ECG

• Anterior
• Apical
• Lateral
• Posterior

One primary function of a cardiac working cell is to:

• create an electrical impulse
• develop a contraction
• cause vasiodialation
• cause vasoconstriction

The heart chamber responsible for collecting deoxygenated blood from the body is the:

• right atrium
• left atrium
• right ventricle
• left ventricle

Identify the heart valve that, when open, helps maintain blood pressure as blood moves towards the lungs

• Aortic
• Bicuspid
• Pulmonic
• Tricuspid

The thickest layer of tissue in the heart wall is the:

• chordae tendineae
• endocardium
• sternum
• myocardium