circulatory system

Question 1

during systole the aortic valve

Answer 1

opens

Question 2

after blood leaves the right ventricle, It goes to the

Answer 2

pulmonary trunk

Question 3

after blood leaves the right atrium, where does it go to next

Answer 3

right ventricle

Question 4

a bypass graft is for someone who

Answer 4

has a blockage on their coronary artery

Question 5

a stroke can occur when a blood vessel in the brain

Answer 5

is broken or is blocked ( both)

Question 6

where arteries and veins meet. site of nutrient exchange

Answer 6

capillaries

Question 7

hold the heart valves in place

Answer 7

chordae tendineae

Question 8

the peak is the

Answer 8

QRS complex

Question 9

the peak represents what in the heart

Answer 9

ventricular systole

Question 10

which aid blood back to the heart

Answer 10

skeletal muscles, precapillary shcniters, contraction of diagram

Question 11

a heart mummur can be caused by

Answer 11

a valve not being fully closed

Question 12

the superior and inferior vena cava both empty in the

Answer 12

right atrium

Question 13

stenosis is when

Answer 13

the vessels are narrowed

Question 14

the tricuspid and biscupid valves are named for

Answer 14

the number of flaps

Question 15

a defillabrator is used to

Answer 15

shock the heart back into rhythm

Question 16

pulmonary circulation is the flow of blood

Answer 16

between the heart and lungs

Question 17

layer of the heart made mostly of muscle

Answer 17

myocardium

Question 18

carry blood away from the heart

Answer 18

arteries

Question 19

a myocardial infarction happens when

Answer 19

a coronary vessel is blocked

Question 20

which is used to measure blood pressure

Answer 20

sphygometer

Question 21

when taking blood pressure the first sound heart is

Answer 21

systole

Question 22

normal blood pressure is around

Answer 22

120/80

Question 23

blood flows ______ the atrium and ______ the ventricle

Answer 23

into: out

Question 24

which correctly represents pulmonary circulation

Answer 24

right ventricle- pulmonary trunk-lungs- pulmonary veins- left atrium

Question 25

how do you calculate cardiac output

Answer 25

heart rate * stroke volume

Question 26

veins carry blood ____ the heart

Answer 26

toward

Question 27

name the one vessel that is the exception

Answer 27

pulmonary artery

Question 28

what do you call the loose outer layer of the sac around the heart

Answer 28

pericardium

Question 29

what is the inner layer

Answer 29

visceral

Question 30

what is the outer layer

Answer 30

partieral

Question 31

when vessels expand its called

Answer 31

vasodilation

Question 32

when vessels called when they contract

Answer 32

vasoconstriction

Question 33

epicardium

Answer 33

outer layer

Question 34

endocardim

Answer 34

inner layer lining the chambers of the heart

Question 35

size of heart

Answer 35

size of a fist

Question 36

myocardium

Answer 36

muscle layer of the heart

Question 37

location of the heart

Answer 37

center of chest

Question 38

What is the apex of the heart and where is it located?

Answer 38

point of the heart

Question 39

What divides the left and right side of the heart?

Answer 39

septum

Question 40

Which side is more muscular?

Answer 40

left side

Question 41

What bone lies directly in front of the heart?

Answer 41

sternum

Question 42

During systole, the aortic valve is

Answer 42

open

Question 43

During diastole, the aortic valve is

Answer 43

closed

Question 44

Veins and arteries meet at _______, where nutrients are exchanged with body tissues.

Answer 44

capillaries

Question 45

Arteries branch into smaller vessels called

Answer 45

arterioles

Question 46

Veins also have smaller branches called

Answer 46

venueles

Question 47

What aids in bringing blood back to the heart?

Answer 47

diaphragm, movement of skeletal muscles, sphincters (valves)

Question 48

What is the pacemaker?

Answer 48

SA node, regulates the pace of the heart

Question 49

What fibers cause a contraction in the ventricle?

Answer 49

Perkinje Fibers

Question 50

Where is the AV node located

Answer 50

between right atrium and ventricle of the heart

Question 51

What do the terms tachycardia and bradycardia mean? What is arrhythmia? What is defibrillation?

Answer 51

tachycardia = rapid heart rate; bradycardia = slow heart rate; arrhythmia = irregular heart rate Defibrillation = shock the heart back into rhythm

Question 52

How are the valves attached to the wall of the heart (2 structures)?

Answer 52

Chordae tendineae and the papillary muscles

Question 53

Generally speaking, when the ventricle contracts, the atrium

Answer 53

relaxes

Question 54

Any contraction (atrial or ventricular) is called

Answer 54

systole

Question 55

relaxing is called

Answer 55

disastole

Question 56

What causes a P-Wave,

Answer 56

P-wave- depolarization of the atria

Question 57

what causes a t wave

Answer 57

T wave- repolarization of the ventricles

Question 58

what causes QRS complex

Answer 58

QRS- depolarization of the ventricles

Question 59

What equipment is needed to take a person’s blood pressure?

Answer 59

stethoscope and sphygmomanometer

Question 60

What are systolic pressure and diastolic pressure? What is the “normal” blood pressure for a human?

Answer 60

systolic is the high upper number, diastolic is the lower number. Normal pressure is 120/80

Question 61

What is an ECG?

Answer 61

electrocardiogram

Question 62

Blood that moves from the heart to the lungs and back to the heart again is in the ______ circuit.

Answer 62

pulmonary

Question 63

Blood moving throughout the body is in the _______ circuit.

Answer 63

systemic

Question 64

Identify the three major vessels that branch off of the aortic arch. You may want to draw a diagram.

Answer 64

brachiocephalic, left common carotid, left subclavian