SOLVED. Question
Asked by coursestudy294
please i need help in my review, just give a brief explanation thank you!
1.Valves *
are found in veins less than 2 mm in diameter.
consist of folds in the tunica adventitia.
are found more often in the leg veins than in the arm veins.
allow blood to flow only toward the heart.
2.Both “are found more often in the leg veins than in the arm veins” and “allow blood to flow only toward the heart” are correct.
The right common carotid artery and the right subclavian artery branch from the ________. *
aorta
left common carotid artery
brachiocephalic artery
basilar artery
vertebral artery
3.The arteries found in the transverse foramina of the cervical vertebrae are the ________ arteries. *
common carotid
vertebral
internal carotid
external carotid
subclavian
4.If blood flow to the left atrium is blocked, in which blood vessel would the obstruction most likely be found? *
Superior vena cava
Inferior vena cava
Pulmonary trunk
Pulmonary vein
Coronary sinus
5.Functions of the peripheral circulation include all of the following EXCEPTÂ *
carrying blood to the tissues.
exchanging waste products and nutrients.
transporting hormones and components of the immune system.
pumping blood into the arteries.
directing blood flow to areas of increased need.
6.Blood flow through capillaries is regulated by *
one-way valves in the veins.
precapillary sphincters.
skeletal muscle contraction.
elastic valves.
the tunica intima.
7.Concerning blood vessel walls, *
the tunica adventitia is composed of connective tissue.
the tunica intima is smooth muscle.
the tunica media is an endothelial layer.
the walls of arteries are thinner and contain less elastic tissue than veins.
capillaries have the thickest walls of all the blood vessels.
8.The artery that transports blood to the left upper limb is the ________. *
aorta
brachiocephalic artery
left common carotid artery
left subclavian artery
left vertebral artery
9.Given the following vessels, arrange them in the sequence blood would pass through when traveling from the heart to body tissues.
1) Arterioles 2) Capillaries 3) Elastic arteries 4) Muscular arteries *
1, 2, 3, 4
1, 3, 2, 4
2, 1, 3, 4
3, 4, 1, 2
4, 3, 1, 2
10.Which of the following blood vessels is part of the pulmonary circulation and carries oxygen-poor blood? *
Pulmonary arteries
Pulmonary trunk
Aorta
Superior vena cava
Coronary sinus
SCIENCE
HEALTH SCIENCE
NURSING
