Match each heart structure to function
Pumps oxygenated blood to the body
What is Left ventricle
Located between the left ventricle and the aorta
What is the aortic valve
A thin layer of squamous epithelial cells that covers the surface of the heart
What is the epicardium
What term refers to the heart's ability to initiate its own electrical impulse?
What is Automaticity
What determines cardiac output
What is Heart rate and stroke volume
Heart valves are formed by either two or three flaps of tissue called
What is cusps/leaflets
Broadest part of the heart
What is the base
Located between the right atrium and the right ventricle
What is the Tricuspid Valve
Cardiac muscle that performs the work of the heart
What is the myocardium
What is the correct progression of blood through the heart and lungs
What is right atrium, right ventricle, lungs, left atrium, left ventricle
What is the average ejection fraction for a healthy heart
What is 60-80%
The heart is located in a space in the thoracic cavity called
What is the mediastinum
Pumps blood to the lungs
What is right ventricle
Located between the left atrium and the left ventricle
A fibrous connective tissue that encircles each valve
What is the skeleton of the heart
What happens if the heart's primary pacemaker fails
The heart is approximately the size of a human what
What is fist
Left-sided heart failure will cause
What is pulmonary edema
The point of maximum impulse (PMI)
What is Apex
Located between the right ventricle and the pulmonary artery
What is the pulmonary valve
A thin layer of squamous epithelial cells that lines the chambers of the heart, covers the valves, and continues into the vessels
What is endocardium
Which of the heart's chambers would you expect to have the thickest (strongest) walls?
What is the left ventricle
The QRS complex represents what
What is ventricular depolarization
What causes a myocardial infarction (heart attack)?
What is a blood clot or fatty deposit in a coronary artery
Receives oxygenated blood from the lungs
What is the left atrium
A double-walled sac that surrounds the heart
What is the pericardium
A space that contains serous fluid to prevent friction as the heart beats
What is pericardial cavity
Which blood vessel(s) carries oxygenated blood to the left atrium?
What is the Pulmonary veins
The P wave represents
What is Atrial depolarization
The series of events that occur from the beginning of one heartbeat to the beginning of the next is
What is cardiac cycle