Cardiovascular system Flashcards
which membrane surrounds the heart
pericardium
which blood vessel has the greatest velocity
Aorta
which blood vessels are the prime controllers of blood pressure
arterioles
what volume of blood does the average heart pump every minute
5L
in which of the following types of blood vessels do we see the majority of material being exchanged between the blood and body cells?
capillaries
what kind of fluid is found between the layers of the pericardium
serous fluid
oxygenated or deoxygenated,
distributing arteries?
oxygenated
oxygenated or deoxygenated,
pulmonary arteries?
deoxygenated
oxygenated or deoxygenated,
Aorta?
oxygenated
which layer would you find smooth muscles
tunica media
T OR F
During ventricular systole the tricuspid valve is open but the bicuspid valve is closed-
False
T or F
during diastole the myocardium is relaxed
True
T or F
during diastole the aortic semilunar valve is open
false
which layer of the blood vessels would you find areolar connective tissue
Tunica Externa
which of the following structures deliver blood to the right atrium
Coronary, inferior vena cava and superior vena cava
which part of a ECG represents the depolarization of the atria?
P wave
during atrial systole which valves are open?
tricuspid valve and bicuspid
Which of the following structures found in fetal circulation directs blood from the right atrium to the left atrium
foramen ovale
54) Which of the following parts of a typical ECG represents the repolarization of the ventricles
T wave
55) Which of the following blood vessels are branches directly off the aorta
left subclavian, left common carotid, brachiocephalic
