Capillaries&Fluid Exchange Part 1

Question 1

What type of blood vessel has the thickest walls of 2mm?

Answer 1

Aorta

Question 2

What blood vessel has the largest inside diameter of 30mm?

Answer 2

Vena cava

Question 3

Aorta and large arteries are elastic and ____ compliant vessels

Answer 3

Low

Question 4

What denotes dispensability and an ability to return to the original shape after distending force or pressure is removed?

Answer 4

Elasticity

Question 5

What is a measure of how much force or pressure is required to achieve distention?

Answer 5

Compliance

Question 6

Arteries are both _____ and ______

Answer 6

Stiff
Elastic

Question 7

What blood vessel has the most amount of elastic tissue?

Answer 7

Aorta

Question 8

What type of blood vessels adjust blood flow to an organ?

Answer 8

Arterioles

Question 9

What are small arteries called?

Answer 9

Muscular vessels

Question 10

What type of blood vessel have less elastic tissue and a predominance of smooth muscle?

Answer 10

Arterioles

Question 11

Where does fluid exchange take place?

Answer 11

Capillaries

Question 12

What are the smallest vessels that are sometimes called microcirculation or exchange vessels?

Answer 12

Capillaries

Question 13

Not all ________ of a tissue carry blood flow at all times

Answer 13

Capillaries

Question 14

Contraction of pre-capillary _________ can reduce or stop the flow of blood in individual capillaries

Answer 14

Sphincters

Question 15

What are compliant and reservoir vessels?

Answer 15

Veins

Question 16

What 2 blood vessels are larger than capillaries, but have thicker walls?

Answer 16

Venues and veins

Question 17

Veins are very compliant and can accommodate substantial changes in blood volume without much change in venous _________

Answer 17

Pressure

Question 18

What is the pore diameter of continuous capillaries?

Answer 18

4 nm