Cardiovascular System

Question 1

arteries

Answer 1

carry blood away from the heart

Question 2

veins

Answer 2

carry blood toward the heart

Question 3

pulmonary circuit

Answer 3

route between heart and lungs
allow blood to pick up oxygen

Question 4

Route of Pulmonary Circuit

Answer 4

R ventricle > pulmonary trunk > pulmonary arteries > lungs> pulmonary veins > L atrium

Question 5

Systematic circuit

Answer 5

route between heart and body tissues
brings oxygen to cells

Question 6

Systematic circuit Route

Answer 6

L ventricle > aorta > cells of body > veins > R atrium

Question 7

Heart sits where?

Answer 7

left to the midline (with left tilt), top of diaphragm

Question 8

pericardium

Answer 8

triple layered sac enclosing the heart

Question 9

pericardium outer layers

Answer 9

fibrous pericardium (dense irregular CT)

Question 10

function os tough, fibrous pericardium

Answer 10

anchors heart
prevents overflow

Question 11

pericardium inner layer

Answer 11

serous pericardium

Question 12

Serous pericardium is made of

Answer 12

visceral pericardium; pericardial cavity/parietal pericardium

Question 13

Cardiac Tamponade

Answer 13

occurs with excess pericardial fluid aka pericardial effusion

Question 14

Layers of pericardium and heart wall

Answer 14

epicardium , myocardium, endocardium

Question 15

ventricle features

Answer 15

papillary muscles, chordae tendinae

Question 16

epicardium is made of

Answer 16

visceral pericardium

Question 17

myocardium is made of

Answer 17

cardiac muscle tissue

Question 18

endocardium is made of

Answer 18

simple squamous

Question 19

Right AV valve

Answer 19

tricuspid

Question 20

left AV valve

Answer 20

bicuspid

Question 21

AV valves are found

Answer 21

between the atria and ventricles

Question 22

Pulmonary semilunar valves are found

Answer 22

between R ventricle and pulmonary trunk

Question 23

aortic semilunar valves are found

Answer 23

between L ventricle and aorta

Question 24

“lub dub” sounds due to

Answer 24

closing of heart valves

Question 25

lub sound

Answer 25

closing of AV valves

Question 26

dub sound

Answer 26

closing of semi lunar valves

Question 27

heart murmur is due to

Answer 27

an incompetent valve

Question 28

barrier between atria and ventricles

Answer 28

fibrous skeleton

Question 29

the only pathway from atria to ventricles

Answer 29

AV node

Question 30

Cardiac conduction system

Answer 30

SA node (R atrium) stimulates atria and AV node via internodal path way > AV node > AV bundle > R and L bundle branches > purkinje fibers

Question 31

cardiac cells have

Answer 31

autorhythmicity

Question 32

atria contract

Answer 32

top to bottom (simultaneously)

Question 33

ventricles contract

Answer 33

bottom to top (simultaneously)

Question 34

blood supply to heart

Answer 34

right coronary artery , left coronary artery, cardiac veins, and drains blood to coronary sinus

Question 35

drained blood from coronary sinus empties into where?

Answer 35

Right atrium

Question 36

arteriosclerosis

Answer 36

hardening of arteries, plaque build up