Cardiovascular System Ch.8

Question 1

Arteries

Answer 1

Carry blood away from the heart

Question 2

Capillaries

Answer 2

microscopic vessels that join the arterial system with the venous system. nutrient exchange happens here.

Question 3

Veins

Answer 3

Return blood to the heart

Question 4

Heart

Answer 4

Muscular pump that propels blood throughout the body.
Located in a sac called the pericardium
Has three distinct tissue layers…endocardium
myocardium and epicardium.

Question 5

Endocardium

Answer 5

Inner lining of the heart

Question 6

Myocardium

Answer 6

The muscular layer or the heart

Question 7

Epicardium

Answer 7

The outmost layer of the heart

Question 8

What are the chambers of the heart?

Answer 8

Right atrium, Left atrium, Right ventricle, and Left ventricle

Question 9

Tricuspid valve

Answer 9

allows blood to flow from the right atrium to the right ventricle

Question 10

Pulmonic valve

Answer 10

prevents regurgitation of blood into the right ventricle from the pulmonary artery.

Question 11

Bicuspid (mitral) valve

Answer 11

allows blood flow from the left atrium into the left ventricle

Question 12

Aorta

Answer 12

Largest artery in the body

Question 13

Left and right coronary artery

Answer 13

vascularizes the left and right side of the heart.

Question 14

Sinoartrial node (SA)

Answer 14

located in the right atrium and possess its own intrinsic rhythm. AKA pacemaker of the heart.

Question 15

Atrioventricular node (AV)

Answer 15

receives signal from SA node, and causes the atria to contract. located in right atrium.

Question 16

bundle of His (AV bundle)

Answer 16

Composed of right and left branches. Relay impulse to the Purkinje fibers.

Question 17

Purkinje fibers

Answer 17

extend up the ventricle walls, causing them to contract.

Question 18

aneurysm/o

Answer 18

widened blood vessel

Question 19

angi/o vascul/o

Answer 19

vessel (usually blood or lymph)

Question 20

aort/o

Answer 20

aorta

Question 21

arteri/o

Answer 21

artery

Question 22

arteriol/o

Answer 22

arteriole

Question 23

atri/o

Answer 23

atrium

Question 24

ather/o

Answer 24

fatty plaque

Question 25

cardi/o...coron/o

Answer 25

heart

Question 26

electr/o

Answer 26

electricity

Question 27

embol/o

Answer 27

embolus (plug)

Question 28

hemangi/o

Answer 28

blood vessel

Question 29

my/o

Answer 29

muscle

Question 30

phleb/o...ven/o

Answer 30

vein

Question 31

scler/o

Answer 31

hardening; sclera (white of eye)

Question 32

sept/o

Answer 32

septum

Question 33

sphygm/o

Answer 33

pulse

Question 34

sten/o

Answer 34

narrowing, stricture

Question 35

thromb/o

Answer 35

blood clot

Question 36

valv/o...valvul/o

Answer 36

valve

Question 37

vas/o

Answer 37

vessel; vas deferens; duct

Question 38

ventricul/o

Answer 38

ventricle (of the heart or brain)

Question 39

-cardia

Answer 39

heart condition

Question 40

-gram

Answer 40

record, writing

Question 41

-graph

Answer 41

instrument for recording

Question 42

-graphy

Answer 42

process of recording

Question 43

-stenosis

Answer 43

narrowing, stricture

Question 44

brady-

Answer 44

slow

Question 45

endo-

Answer 45

in, within

Question 46

extra-

Answer 46

outside

Question 47

peri-

Answer 47

around

Question 48

trans

Answer 48

across

Question 49

endocarditis

Answer 49

Inflammation of the inner lining of the heart and its valves.

Question 50

Varicose Veins

Answer 50

enlarged, engorged, twisted, superficial veins.

Question 51

Pericardium

Answer 51

sac holding the heart

Question 52

Venous Valves

Answer 52

Prevent blood from flowing backwards. Assist in blood flow against gravity.