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Heart
circulatory system
41
Health Care
11th Grade
09/15/2011

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Term
type of blood vessel that collapses easily when not filled with blood
Definition
veins
Term
disease of the circulatory system characterized by fatty deposits in the walls of arteries
Definition
atherosclerosis
Term
Describes the pumping action of the heart
Definition
functions as a double pump
Term
special conducting cells that originate an electrical impulse that begins and regulates the heart beat
Definition
SA node
Term
what the doctor thinks is wrong with someone admitted with r/o MI
Definition
heart attack
Term
enlarged veins that can be painful, inflamed and not as effective in returning blood to the heart
Definition
varicose veins
Term
You feel dizzy when getting up suddenly, your blood pressure is 90/50
Definition
hypotension
Term
disorder that occurs in one of five Americanss, the silent killer
Definition
hypertension
Term
abnormal condition characterized by a protrusion in the wall of an artery
Definition
aneurysm
Term
this occurs when fluid accumulates in the tissues
Definition
edema
Term
the partition between the right and left sides of the body
Definition
septum
Term
tip of the heart
Definition
apex
Term
structures in the heart that prevent back flow of blood
Definition
valves
Term
vessels on the the outer surface of the heart that provide its oxygen supply
Definition
coronary arteries
Term
the bicuspid (mitral) valve is located between the:
Definition
left atrium and left ventricle
Term
muscular layer of the heart
Definition
myocardium
Term
smooth membrane that lines the inside of the heart and heart valves
Definition
endocardium
Term
large artery that the blood enters as it leaves the left ventricle
Definition
aorta
Term
chamber of the heart pumping blood to the body
Definition
left ventricle
Term
valve that prevents back flow of blood as it leaves the heart and enters the aorta
Definition
aortic semilunar valve
Term
the heart has this many chambers
Definition
4
Term
this happens when the electrical impulse reaches the Purkinje fibers
Definition
ventricles contract
Term
major artery that carries blood to the brain
Definition
carotid
Term
blood that travels from the heart to the tissues and cells is part of which type of circulation
Definition
system circulation
Term
Which contains the highest level of oxygen: arterioles, venules, veins
Definition
arterioles
Term
upper chambers of the heart
Definition
atria
Term
artery in the arm used to measure blood pressure
Definition
brachial
Term
type of blood vessels that are the most muscular and elastic
Definition
arteries
Term
term to describe the pain felt when the heart does not receive enough oxygen
Definition
angina pectoris
Term
Cheryl has a clot in her leg. If it becomes dislodged, it becomes a/an
Definition
embolism
Term
an EKG or ECG is a recording of
Definition
elctrical activity of the heart
Term
circulation of blood to the lungs to pick up oxygen
Definition
cardiopulmonary circulation
Term
chamber of the heart that blood enters after it passes through the mitral valve
Definition
left ventricle
Term
the superior vena cava carries deoxygenated blood to what part of the heart
Definition
right atrium
Term
blood that leaves the legs will pass through what vein before reaching the heart
Definition
inferior vena cava
Term
where can you feel the popliteal pulse
Definition
behind the knee
Term
Which symptom is most common in patients with heart disease: dry cough, pharygitis, cyanosis, hypotension
Definition
cyanosis
Term
contraction phase of the heart beat
Definition
systole
Term
capillaries are one cell thick and made of
Definition
endothelial cells
Term
average heart rate at rest
Definition
72-75 beats/min
Term
what cells stimulate both atria to contract
Definition
SA node
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