Cardiovascular/Circulatory System

The innermost layer of the heart is called the

• myocardium

• endocardium

• visceral pericardium

• parietal pericardium

The blood vessels that carry blood toward the heart are the

• veins

• capillaries

• arteries

• arterioles

The largest artery in the body is the

• carotid

• femoral

• saphenous

• aorta

The cavity the heart sits in is called the

• Thoracic

• mediastinum

• manubrium

• middlubrium

The bottom of the heart at the end of the ventricles is called the

• apex

• base

• bottom end

• underneath side

When the atria contract that portion of the heart cycle is called

• diastole

• systole

• top number

• bottom number

If a person is brain dead then that person’s heart will

• stop beating

• continue to beat

• become hypertrohied

• get smaller

A heart attack is

• The lack of blood flow through the heart chambers

• The lack of blood flow through the veins of the heart

• The lack of blood flow through the arteries that feed the heart muscle

• The lack of blood flow through the aorta

The SA node initiates the first electrical impulse in the heart, which will eventually cause the heart to contract, what is the unofficial “nickname” of the SA node?

• the heart starter

• the pace maker

• the electric starter

• the beat keeper

If a person has coronary heart surgery the heart is cut on to bypass vessels that are clogged, what is the acronym for the surgery?

• BAGAG

• CAB

• CABG

• BAG