The Cardiovascular System: The Heart (Bio201)

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systemic; pulmonary

The "double pump" function of the heart includes the right side, which serves as the _______
circuit pump, and the left side, which serves as the _________ pump.

right atrium

Blood returning from the systemic circulation first enters what chamber of the heart?

lungs

The right ventricle pumps blood where?

left atrium

Blood returning from the lungs enters what chamber of the heart?

systemic circuit

The left ventricle pumps blood where?

tricuspid valve

The atrioventricular valve on the right side of the heart is called what?

between the left atrium and left ventricle

Where is the bicuspid or mitral valve located?

lungs

The left and right pulmonary arteries carry blood where?

collect blood

What is the function of an atrium?

heart

The left and right coronary arteries carry blood where?

epicardium

What is another name for the visceral pericardium?

vena cavae-right atrium-right ventricle-pulmonary trunk-pulmonary veins-left atrium-left ventricle-aorta

What is the correct order for the flow of blood entering from the systemic circulation?

myocardium

The layer of the heart wall that contains cardiac muscle tissue, blood vessels, and nerves

SA node --> AV node --> AV bundle --> Purkinje fibers.

The correct sequential path of a normal action potential in the heart

prolapse

Folding of the valves in the wrong direction

SA node

The pacemaker cells of the heart are located where?

ventricular systole (depolarization)

The QRS wave on an ECG tracing represents what?

AV valves

The first heart sound is heard when what valves are closed?

product of heart rate and stroke volume

Cardiac output is equal to what?

What is systole?

contraction

What is diastole?

relaxation

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