Blood Vessels

Question 0

Bulky middle coat, containing smooth muscle and elastin

Answer 0

Tunica media

Question 1

Single thin layer of endothelium

Answer 1

Tunica intima

Question 2

Provides a smooth surface to decrease resistance to blood flow

Answer 2

Tunica intima

Question 3

The only tunic of capillaries

Answer 3

Tunica intima

Question 4

Also called the adventitia

Answer 4

Tunica externa

Question 5

The only tunic that plays an active role in blood pressure regulation

Answer 5

Tunica media

Question 6

Supporting, protective coat

Answer 6

Tunica externa

Question 7

Why are valves present in veins but not arteries?

Answer 7

Veins have to fight gravity to return blood to the heart, while arteries don’t have to fight gravity

Question 8

First artery that branches off the ascending aorta; serves the heart

Answer 8

Coronary

Question 9

Largest artery of the body

Answer 9

Aorta

Question 10

Artery that serves the posterior calf

Answer 10

Posterior tibial

Question 11

Artery that supplies the diaphragm

Answer 11

Phrenic

Question 12

Artery that splits to form the radial and ulnar arteries

Answer 12

Brachial

Question 13

Artery generally used to determine blood pressure in the arm

Answer 13

Brachial

Question 14

Artery that supplies the last half of the large intestine

Answer 14

Inferior mesenteric

Question 15

External iliac becomes this artery on entering the thigh

Answer 15

Femoral

Question 16

Artery that supplies most of the small intestine

Answer 16

Superior mesenteric

Question 17

Artery in the armpit that serves the arm

Answer 17

Axillary

Question 18

Artery that has three major branches off the aorta, which serve the liver, spleen, and stomach

Answer 18

Celiac trunk

Question 19

Artery serving the tissues external to the skull

Answer 19

External carotid

Question 20

Artery serving the brain

Answer 20

Internal carotid

Question 21

Artery generally used to feel the pulse

Answer 21

Radial

Question 22

Artery that serves the liver

Answer 22

Hepatic

Question 23

Artery that serves the kidney

Answer 23

Renal

Question 24

Artery in the thumb side of your forearm

Answer 24

Radial

Question 25

Artery on the pinky side of your forearm

Answer 25

Ulnar

Question 26

Vein that receives blood from the arm via the axillary vein

Answer 26

Subclavian

Question 27

Vein that drains the kidney

Answer 27

Renal

Question 28

Vein that drains the liver

Answer 28

Hepatic

Question 29

Longest superficial vein of the body; found in the leg

Answer 29

Great saphenous

Question 30

Deep vein of the thigh

Answer 30

Femoral

Question 31

Vein that is formed by the union of the external and internal iliac veins

Answer 31

Common iliac

Question 32

Vein that drains the stomach

Answer 32

Gastric

Question 33

Vein that drains the brain

Answer 33

Internal jugular

Question 34

Veins that lie under the skin and are easily seen

Answer 34

Superficial

Question 35

Veins that run along the side of arteries

Answer 35

Deep

Question 36

Vein that drains extracranial tissues

Answer 36

Vertebral

Question 37

Vein that drains blood from scalp, facial muscles

Answer 37

Temporal

Question 38

Central cavity of a blood vessel

Answer 38

Lumen

Question 39

Reduction of the diameter of the lumen

Answer 39

Vasoconstriction

Question 40

Enlargement of the diameter of the lumen

Answer 40

Vasodilation

Question 41

Blood is carried to the heart by

Answer 41

Veins

Question 42

Blood is carried away from the heart by

Answer 42

Arteries

Question 43

Capillary beds are supplied by

Answer 43

Arterioles

Question 44

Capillary beds are drained by

Answer 44

Venules

Question 45

Cold has a _______ effect

Answer 45

Vasoconstricting

Question 46

The pulmonary circulation is a _____ pressure circulation

Answer 46

Low

Question 47

Why is hypertension a silent killer?

Answer 47

There are typically no symptoms

Question 48

Expansion and recoil of an artery during heart activity

Answer 48

Pulse

Question 49

Pressure exerted by the blood against the blood vessel walls

Answer 49

Blood pressure

Question 50

Factors related to blood pressure

Answer 50

Cardiac output | Peripheral resistance

Question 51

Event primarily responsible for peripheral resistance

Answer 51

Constriction of arterioles

Question 52

Blood pressure during heart contraction

Answer 52

Systolic blood pressure

Question 53

Blood pressure during heart relaxation

Answer 53

Diastolic blood pressure

Question 54

Site where blood pressure determinations are normally made

Answer 54

Over arteries

Question 55

Points at the body surface where the pulse may be felt

Answer 55

Pressure points

Question 56

Sounds heard over a blood vessel when the vessel is partially compressed

Answer 56

Sounds of Korotkoff