Chapter 23 : Blood vessels

Question 0

what to arteries do?

Answer 0

carry blood away from the heart

Question 1

what are the three types of blood vessels ?

Answer 1

Arteries
Veins
Capillaries

Question 2

what do veins do?

Answer 2

carry blood toward the heart

Question 3

what do capillaries do?

Answer 3

bridge arteries and veins; allows diffusion between blood and body tissues

Question 4

what happens to valves when blood starts going in the wrong direction?

Answer 4

they close

Question 5

how many layers make up vessel walls? what are they?

Answer 5

3
tunica intima with endothelium and connective tissue
tunica media
tunica externa

Question 6

what do veins have that arteries do not?

Answer 6

valves

Question 7

what layer in veins and arteries is smooth muscle?

Answer 7

tunica media

Question 8

__ is empty space that is filled with blood.

Answer 8

lumen

Question 9

what helps direct blood in the right direction in veins?

Answer 9

valves

Question 10

what kind of tissue id the endothelium of tunica intima made of?

Answer 10

simple squamous epithelial tissue

Question 11

__ can change the diameter of blood vessels

Answer 11

tunica media

Question 12

what are the three types of arteries?

Answer 12

1. elastic artery
2. muscular artery
3. arteriole

Question 13

what are the three types of veins?

Answer 13

1. large vein
2. medium vein
3. venule

Question 14

what are elastic arteries composed of?

Answer 14

1. tunica externa
2. tunica media
3. tunica interna (internal elastic layer and endothelium)

Question 15

what are muscular arteries composed of?

Answer 15

1. tunica externa
2. tunica media
3. tunica intima (with endothelium)

Question 16

what are arterioles composed of?

Answer 16

1. tunica media (smooth muscle)
2. basal lamina
3. endothelium

Question 17

what are the smallest arteries in the body?

Answer 17

arterioles

Question 18

what type of artery has an extra elastic tissue layer due to the pressure being placed on it

Answer 18

elastic artery

Question 19

what are the components of large veins

Answer 19

1. tunica externa
2. tunica media
3. tunica intima (with endothelium)

Question 20

what components make up medium-sized veins?

Answer 20

1. tunica externa
2. tunica media
3. tunica intima (with endothelium)

Question 21

what components makes up venules?

Answer 21

1. tunica externa

2. endothelium

Question 22

what disease is characterized by changes in vessel wall primarily due to the buildup of fatty deposits called plaque?

Answer 22

Atherosclerosis

Question 23

what are between arteries and veins?

Answer 23

capillaries

Question 24

__ is a net work of interconnected capillary vessels that lies bt an arteriole and a venule.

Answer 24

capillary bed

Question 25

t/f blood flow through a capillary bed is dynamic

Answer 25

T

Question 26

flow through a capillary bed can be altered by what?

Answer 26

upon the need of the tissue

Question 27

what controls blood flow in capillaries?

Answer 27

sphincters

Question 28

what are sphinctors?

Answer 28

small, circular smooth muscle

Question 29

where in your body does "give and take" occure?

Answer 29

capillaries

Question 30

what items cross the walls of the capillaries?

Answer 30

1. gases (O2, CO2) 2. nutrients (glucose, amino acids) 3. Fluid (water) 4. electrolytes 5. wastes

Question 31

where does the common hepatic artery go to?

Answer 31

liver

Question 32

where does the superior mesenteric artery go to?

Answer 32

small intestine

Question 33

where does the colic artery go to?

Answer 33

large intestine

Question 34

where does the inferior mesenteric artery go to?

Answer 34

large intestine

Question 35

The left external jugular vein, L vertebral vein, and L internal jugular vein all lead into what Vein?

Answer 35

L subclavian vein

Question 36

Name the dural viens.

Answer 36

1. superior sagittal sinus 2. inferior sagittal sinus 3. straight sinus 4. cavernous sinus 5. transverses sinus 6. sigmoid sinus 7. petrosal sinus

Question 37

What vein do some people have one of while others have two of them?

Answer 37

brachial vein

Question 38

what vein would you take blood from?

Answer 38

medial cubital vein

Question 39

what group of veins drains the liver?

Answer 39

hepatic veins

Question 40

what system takes blood to the liver instead of the inferior vena cava?

Answer 40

hepatic portal system

Question 41

What two veins in the legs can you use to differentiate bt veins and arteries on the test?

Answer 41

Great saphenous vein | small saphenous vein

Question 42

what are the steps of pulmonary circulation?

Answer 42

R atrium > R ventricle > pulmonary trunk > pulmonary arteries > lungs > capillaries > pulmonary veins > L atrium > L ventricle > body and repeat