The Cardiovascular System: blood Vessels Flashcards
These are the smallest blood vessels in our body.
Capillaries
This is the muscular layer of blood vessels.
Tunica media
Venules unite to form _______.
veins
All of the following are found in large arteries EXCEPT _______.
valves
These vessels carry blood toward the heart.
Venules
The exchange between blood vessels and cells occurs here.
Capillaries
These vessels control blood flow to tissues.
Arterioles
These vessels also serve as a blood reservoir.
Veins
If you have a blood pressure of 120/80 mmHg, what is your diastolic pressure?
80 mm Hg
If you have a blood pressure of 110/80 mmHg, what is your pulse pressure?
30 mm Hg
Blood flow is inversely proportional to the _______.
peripheral resistance
Which of the following blood vessel types have the greatest effect on peripheral resistance?
Arterioles
Gaining weight may increase blood pressure because increased adipose tissue causes an increase in _______.
blood vessel length
The amount of blood pumped out of each ventricle in 1 minute is called _______.
cardiac output
An increase in blood pressure would have which effect on cardiac output?
Increase