Heart Quiz

How many chambers does the heart have?

• 1

• 2

• 3

• 4

This chamber of the heart that RECEIVES blood returning from the body

• Right Atrium

• Right Ventricle

• Left Atrium

• Left Ventricle

The number of valves in the heart is

• 1

• 2

• 3

• 4

The purpose of heart valves is to 

• set the pace at which the heart beats

• prevent blood from flowing backward

• oxygenate the blood as it passes through the valve

• add minerals to the blood

The thickest layer of the heart is the

• endocardium

• myocardium

• serous pericardium

• fibrous pericardium

The electrical signals that coordinate and control the heart muscle contraction move

• from the inferior region of the heart to the superior region of the heart.

• from the superior region of the heart to the inferior region of the heart.

• from the right to the left of the heart.

• from the left to the right of the heart.

The chambers that are located superiorly inside the heart are called

• atria

• ventricles

• septum

• valves

The "lub" in the sound of the heart beat is caused by

• The atrioventricular valves opening

• The atrioventricular valves closing

• The semilunar valves opening

• The semilunar valves closing

The "dup" in the sound of the heart beat is caused by

• The atrioventricular valves opening

• The atrioventricular valves closing

• The semilunar valves opening

• The semilunar valves closing

What other body part can you use to estimate the size of your heart?

• Your foot

• Your brain

• Your fist

• Your face