Terms in this set (77)
the terminal end of the bronchioles, grape like clusters within the lungs where the exchange of carbon dioxide and oxygen take place
a sac formed by localized dilation of the walls of an artery due to structural weakening
absence of cardiac rhythm
upper chambers of the heart that receive blood from the superior vena cava and inferior vena cava veins and the coronary sinus
slow heart rate; less than 60 beats per minute
everything that occurs within the heart during a single heartbeat
a fetal blood vessel that joins the aorta and pulmonary artery
an elastic connective tissue that covers the ends the bones supports the trachea and larynx, and connects the rib to the sternum
an area of dead tissue caused by an inadequate supply of oxygenated blood
accumulation of diffusion of a foreign substance into tissue
the area in the thoracic cavity in the middle of the thorax between the lungs
the muscle of the heart that is composed of specially constructed cardiac muscle cells that contract and force blood from the hearts chamber
saturated with oxygen
a thin serous sac that surrounds the heart; it consists of the serous pericardium and fibrous pericardium
a thin serous membrane that encloses the lung, composed of a single layer of mesothelial cells on top of a thin layer of connective tissue; divided into visceral and parietal plural layers
to fall or slip out of normal anatomical position
contraction of the ventricle that occurs before it is expected in a normal series of cardiac cycles
backward flow of fluid, in the opposite of a normal direction
device inserted to support luminous structures while still allowing passage of fluid
represents the contraction phase of the cardiac cycle
fast heart rate that is greater than 100 beats per minute
pathological compression of an anatomical part
the lower chambers of the heart that receive blood from the atria
represents the relaxation phase of the cardiac cycle
what are the 3 layers of the heart?
endocardium, myocardium & pericardium
what are the 2 upper chambers of the heart?
what are the 2 lower chambers of the heart?
what divides the heart into left and right sides?
which area of the heart receives deoxygenated blood?
which part of the heart receives oxygenated blood?
which part of the heart send blood to the lungs?
which part of the heart send blood to the body?
what valve separates the right atrium from the right ventricle?
what valve separates the left atrium from the left ventricle?
what valve allows blood to flow into the pulmonary artery?
pulmonary semilunar valve
what valve allows blood to flow into the aorta?
aortic semilunar valve
what is the only artery that carried deoxygenated blood?
what is the only vein that carried oxygenated blood?
how many pulmonary veins are there?
which artery supplies blood to the heart?
the pacemaker of the heart?
how many lobes does the left lung have?
how many lobes does the right lung have?
where does the right atrium receive blood from?
superior and inferior vena cava
carry blood away from the heart
carry blood to the heart
what are the three layers of an artery?
tunica intima, tunica media, tunica adventitia
what are the three branched of the aorta?
brachio cephalic, carotid, & left subclavian
atrial septal defect (asd)
opening between the right and left atria
ventricular septal defect (vsd)
abnormal communication between the right and left ventricles
patent ductus arteriosis
a communication between the pulmonary artery and the arch of the aorta
coarctation of the aorta
stenosis (narrowing) of the aorta
transposition of the great vessels (togv)
rising of the aorta from the right side of the heart and the pulmonary artery arising off of the left side of the heart
tetralogy of fallot
consists of four different conditions at once; vsd, pulmonary stenosis, over-ridding aorta & right ventricle hypertrophy
decreased blood flow
coronary artery disease
a partial blockage of blood flow to the heart
narrowing of a heart valve
result of having incompetent valves in the inability for the valves to close properly causing a regurgitation or back flow of blood
an aneurysm is an abnormal dilation of a weakened arterial wall. in the case of the ventricles of the heart, bulging of the heart muscle is no different, especially in post-heart attack patients
disruption with the neuroconductivity to the heart
what is the number one reason for a pacemaker?
the harding of an artery
plaque builds up in the artery
what are the three types of aneurysms?
saccular, fusiform & ruptured
what is an embolism?
a blood clot that travels within the body
what type of drug is heparin?
what type of drug is protamine sulfate?
what is the purpose of epinephrine?
strengthen the heart beat
what type of drug is nitroglycerine?
what is an alograft?
from a cadaver
what is an autograft?
from ones own body
when is valve replacement surgery needed?
when the aortic or mitral valve stop doing their job
when is a coronary artery bypass graft needed?
when there is a insufficient supply of blood to a segment of heart muscle; most commonly from coronary artery disease
patients who have had a myocardial infraction are more likely so have what condition?
aneurysms of the aortic arch are due to which two factors?
hereditary & Marfan's syndrome
what are the two main reasons for the placement of a pacemaker?
heart block & sick sinus syndrome
what is sick sinus syndrome?
a degenerative condition of the nodes of the heart, resulting in severe bradycardia
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