What is the amount of blood pumped with each beat called?
Which chamber pumps blood to the lungs?
What is the receptor called that is found on cardiac muscle and is used by the nervous system branch that slows down heart rate?
The _____ valve prevents backflow from the left ventricle to the left atrium.
What is the superficial layer of the heart wall called?
What is the function of the pericardial fluid?
What ion enters cardiac conductile cells during depolarization of the action potential.
The ______ nervous system increases heart rate and stroke volume.
Down
An increase in afterload results in a(n) _____ in stroke volume.
The ____ muscles are attached to the chordae tendineae.
A _____ blocker is given to patients with high blood pressure to slow down HR.
What is the vessel called that returns oxygen poor blood from the heart muscle back to the right atrium?
What are the structures called that connect one cardiac muscle cell to its neighbor.
Identify the main artery that leaves the heart carrying oxygen-poor blood.
Calcium binds to the same protein in cardiac muscle as it did in skeletal muscle. Identify the protein.
During which phase of the EKG are the ventricles depolarizing?
Identify the region in the thoracic cavity that contains the heart.
Your patient has an abnormally high heart rate. This is called ____.
Which ion enters cardiac contractile cells during depolarization?
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