Week 13: Blood Vessels and Circulation Flashcards
Functions of the peripheral circulation include all of the following EXCEPT
pumping blood into the arteries
The systemic vessels
transport blood through all parts of the body from the left ventricle to the right atrium.
supply oxygen and nutrients to all cells of the body.
carry away carbon dioxide and waste from all cells of the body.
are part of the peripheral circulation.
transport blood through all parts of the body from the left ventricle to the right atrium.
supply oxygen and nutrients to all cells of the body.
carry away carbon dioxide and waste from all cells of the body.
are part of the peripheral circulation.
Which of the following is most likely to be an elastic artery?
The ascending aorta
Which of the following is most likely to be classified as a muscular artery?
The superior mesenteric
The arteries with walls that are mostly smooth muscle are
medium-size (distributing) arteries
Which of these arteries are able to actively dilate and constrict?
Elastic arteries
Medium-size (distributing) arteries
Arterioles
Small arteries
Elastic arteries
Medium-size (distributing) arteries
Arterioles
Small arteries
Which layer of the blood vessel wall is marked with the letter A?
Tunica media
The layer of the blood vessel wall that is marked by letter B is composed of __________.
endothelium and basement membrane
carry blood away from the heart
Arteries
Which of these have no smooth muscle in their walls?
Venules
are found in veins less than 2 mm in diameter.
Valves
If blood flow to the left atrium is blocked, in which blood vessel would the obstruction most likely be found?
Pulmonary trunk
Emboli that form in a vein in the lower limbs are most likely to become lodged in the lungs because
the vessels increase in size from the legs to the heart and then decrease in size from the heart to the lungs.
The __________ veins drain the kidneys.
renal
The __________ veins drain the testes in males.
testicular
