Cardiovascular Quiz

Which circuit delivers blood to all body cells and carries away waste?

• pulmonary

• systemic

Which is the middle layer of the heart (mostly made up of cardiac muscle)?

• epicardium

• myocardium

• endocardium

The atria receive blood returning to the heart through the aorta.

• true

• false

Another name for the right atrioventricular valve is the

• tricuspid valve

• bicuspid valve

• mitral valve

• pulmonary valve

The "lub dub" sound of the heart is actually

• the opening and closing of the mitral and tricuspid valves

• the opening and closing of the aortic and pulmonary valves

• the pressure of your blood rushing through your vessels to your heart

• the contracting and relaxing of your atria

A patient's heart rate is measuring above 100 beats per minute. The patient is considered

• tachycardic

• bradycardic

• arrhythmic

• to have a heart murmur

Which answer choice functions as a "pacemaker" setting the rate and rhythm of your heartbeat?

• sinoatrial node

• junctional fibers

• a-v bundle

• purkinje fibers

Why can't you restart someone's heart with CPR alone?

• you can't preform chest compressions fast enough to restart the heart

• you are missing the electrical impulses from a defibrillator

• you need a doctor present

• you can't preform compressions hard enough to restart the heart

Identify the structure labeled #7

• chordae tendineae

• right ventricle

• tricuspid valve

• papillary muscles

Identify the structure labeled #17

• papillary muscles

• apex

• septum

• chordae tendineae