Cardiovascular System Review

Front

What is the pericardium around the heart responsible for?

Back

reducing friction around the heart

Front

The real work of the heart contractions is done by which layer?

Back

myocardium

Front

The human cardiovascular system has two loops. Which loop takes blood from the heart to the body tissues and back?

Back

systemic loop

Front

Which type of blood vessel contains blood at the highest pressure?

Back

arteries

Front

Blood passes from the legs into the _______ vena cava and then into the ____________.

Back

inferior, right atrium

Front

The major blood vessel that carries oxygenated blood away from the heart is the

Back

aorta

Front

An embolus is a free-floating clot while a thrombus is attached.

Back

True

Front

What is the correct sequence for the intrinsic conduction system?

Back

SA node → AV node → AV bundles → bundle branches → Purkinje fibers

Front

Which chambers of the heart are involved in the “ejection phase” of the cardiac cycle?

Back

right ventricle and left ventricle

Front

What is the correct formula for calculating cardiac output?

Back

cardiac output = stroke volume x heart rate