Circulation

Question 1

What is the largest artery

Answer 1

Aorta

Question 2

What returns tissue fluid to the circulatory system

Answer 2

Lymphatic system

Question 3

what prevents blood flowing in the wrong direction

Answer 3

Valves

Question 4

What vessel transports blood through the kidneys

Answer 4

renal

Question 5

what vessel transports blood through the legs

Answer 5

iliac

Question 6

localized swelling due to excess tissue fluid

Answer 6

edema

Question 7

what supplies blood to the heart

Answer 7

coronary arteries

Question 8

what is the highest arterial pressure called

Answer 8

systolic blood pressure

Question 9

what is the lowest arterial pressure called

Answer 9

diastolic blood pressure

Question 10

what is the conditionof high blood pressure

Answer 10

hypertension

Question 11

what is hardening of the arteries called

Answer 11

atherosclorosis

Question 12

what is a stationary clot in an arterial wall

Answer 12

thrombus

Question 13

what is a dislodged, moving thrombus

Answer 13

embolism

Question 14

when a portion of the brain dies due to lack of oxygen

Answer 14

stroke

Question 15

chest pain (including pain in left arm) is:

Answer 15

angina pectoris

Question 16

this occurs when circulation of part of the heart is blocked

Answer 16

heart attack

Question 17

the major systemic artery in the body is the”

Answer 17

Aorta

Question 18

the system begins with the ___ and ends with the ____

Answer 18

left ventrical, right atrium

Question 19

contraction of the heart is called

Answer 19

heart beat

Question 20

following the contraction of the heart beat, blood pressure is at its:

Answer 20

highest

Question 21

what is often reffered to as the pacemaker

Answer 21

sinoatrial node (SA)

Question 22

From away to towards the heart, label the blood vessels

Answer 22

Arteries
arterioles
capillary beds
venules
veins

Question 23

movement of blood in the vessel is aided by ___ muscle contraction

Answer 23

smooth

Question 24

capillaries are tiny vessels with _____ walls

Answer 24

thin

Question 25

the lymph vessels begin in the tissues and eventually join the _____

Answer 25

subclavian veins

Question 26

2 dietary components that may contribute ti the medical condition hypertension are:

Answer 26

salt and cholesterol

Question 27

what is a stroke

Answer 27

when brain cells are denied oxygen`

Question 28

which blood vessel has the thickest walls

Answer 28

artery

Question 29

which blood vessel has valves

Answer 29

veins

Question 30

which blood vessel has the greatest total cross sectional area

Answer 30

capillaries

Question 31

which blood vessel takes blood away from the heart

Answer 31

artery

Question 32

which blood vessel takes blood to the heart

Answer 32

veins

Question 33

which blood vessel exchanges CO2 and O2 at the tissues

Answer 33

capillaries

Question 34

what is a heartbeat

Answer 34

sinoatrial node initiates contraction of the atri, the nervous stimulus is picked up by the atrioventricular node and this initiates contraction of the ventricals.

Question 35

contraction of chambers is called

Answer 35

systole

Question 36

relaxation of chamber is called

Answer 36

diastole

Question 37

when atria contracts, this forces blood through the ____ into the ____

Answer 37

atrioventricular valves ventricals

Question 38

Walls of the capillary tubes are how many cell layer thick

Answer 38

1

Question 39

which ventrical of the heart pumps blood to the lungs

Answer 39

right

Question 40

the left ventrical of the heart pumps blood to

Answer 40

the rest of the body

Question 41

the left and right side of the heart are divided by the

Answer 41

septum

Question 42

each side has 2 chambers

Question 43

the smaller chambers of the heart located on the top are called

Answer 43

the atrium

Question 44

valves between the atria and ventricals are

Answer 44

atrioventricular valves

Question 45

what do atrioventricular valves do

Answer 45

prevent the backflow of blood

Question 46

valve between the right atrium and ventrical is

Answer 46

tricuspid valve

Question 47

where is the bicuspid valve located

Answer 47

between the left atrium and ventrical

Question 48

Chordae tendinae are

Answer 48

fibrous strings that support the valves and prevent them from inverting

Question 49

each ventrical has a ______valve

Answer 49

semilunar

Question 50

blood flows thru the _____ on its way out of the heart

Answer 50

semilunar valve

Question 51

low in oxygen blood flows enter in the ____ thru the _______ then the ______

Answer 51

right atrium superior vena cava inferior vena cava

Question 52

the right atrium contracts forcuing blood thru the ______ and into the ______

Answer 52

trucispid valve right ventrical

Question 53

the right ventrical contracts sending blood thru the _________ and into the ______

Answer 53

pulminary semiluar valve pulminary trunk

Question 54

pulminary trunk divides into the _____ which take deoxyginated blood to the _____

Answer 54

pulminary arteries lungs

Question 55

what happens to the blood at the lungs

Answer 55

CO2 diffuses out of it and O2 enters

Question 56

oxygenated blood from the lungs goes into the _____ which take the blood to the _____

Answer 56

Pulminary veins left atrium

Question 57

where are the pulminary veins located

Answer 57

lungs

Question 58

the left atrium contracts forcing blood thru the ______ into the _____

Answer 58

bicuspid valve left ventrical

Question 59

the left ventrical contacts forcing blood thru the ______ into the ______

Answer 59

aortic semilunar valve aorta

Question 60

what does the aorta do

Answer 60

divides into smaller arteries that move oxygenated blood to the bodily tissues

Question 61

the heartbeat occues about ____ times permin

Answer 61

70

Question 62

what happens when the heart valves have a problem closing

Answer 62

heart murmurs

Question 63

what controls the heartbeat

Answer 63

the nodes

Question 64

what does the sinoatrial node do

Answer 64

send out signal to make atria contract

Question 65

what are the 2 nodes

Answer 65

atrioventricular node sinoatrial node

Question 66

what does the AV node do

Answer 66

when it receives signal from SA node, it AV node sends signal to purjunkie fibers

Question 67

what do the purjunkie fibers do

Answer 67

take message from AV node to ventricals causing them to contract in the right direction

Question 68

where is the SA node locates

Answer 68

upper back wall of right atrium

Question 69

where is the AV node loacted

Answer 69

base of right atrium

Question 70

what are the 2 circuts of the cardiovascular system

Answer 70

pulminary-lungs systemic-tissues

Question 71

vein that collects blood from the head chest and arms

Answer 71

superior vena cava

Question 72

vein that collects blood from the lower body regions and legs

Answer 72

inferior vena cava

Question 73

what is the blood path to the kidneys

Answer 73

left ventrical aorta renal artery renal arterioles capillaries renal veins inferior vena cava r atrium

Question 74

where do coronary veins empty to

Answer 74

the right atrium

Question 75

what is a heart attack

Answer 75

when a portion of the heart dies due to lack of oxygen

Question 76

where is the subclavian artery and vein located

Answer 76

around clavical

Question 77

where is the carotid artery located

Answer 77

neck

Question 78

where is the hepatic vein

Answer 78

connects from liver to inferior vena cava

Question 79

where is the the renal artery and vein

Answer 79

connects to kidneys

Question 80

what do the coronary arteries and veins do

Answer 80

supplies blood to the heart muscle

Question 81

where are the jugular veins located+ function

Answer 81

neck takes blood from neck

Question 82

what does the pulmonary artery do

Answer 82

carries oxygenated blood to the left atrium

Question 83

iliac artery carries blood from the ___ to the ___

Answer 83

aorta legs

Question 84

what is the definition of a pulse

Answer 84

the expanding and relaxation of an arterial wall

Question 85

what is the definition of blood pressure

Answer 85

the pressure of blood against the wall of the vessel created by the pumping action from the heart

Question 86

lower blood pressure than usual is called:

Answer 86

hypotension

Question 87

what does a vasodilator do

Answer 87

prevent arteries from constricting