Cardiovascular System

Question 1

Located in thoracic cavity

Answer 1

Heart

Question 2

Is closest to the diaphragm

Answer 2

Apex

Question 3

Is closest to clavicle

Answer 3

Base

Question 4

Innermost layer in contract with blood

Answer 4

Endocardium

Question 5

Middle muscular layer of heart

Answer 5

Myocardium

Question 6

Outermost layer of heart

Answer 6

Pericardium

Question 7

Intact with heart proper

Answer 7

Epicardium

Question 8

Has a 2-sided/double-sided pump

Answer 8

Heart

Question 9

Contains and transports deoxygenated blood

Answer 9

Right

Question 10

Contains and carries oxygenated blood

Answer 10

Left

Question 11

Where the superior and inferior vena cava empty deoxygenated blood from the body

Answer 11

Right atrium

Question 12

Where the pulmonary veins transport oxygenated blood back to

Answer 12

Left atrium

Question 13

Blood vessels which carry blood away from the heart

Answer 13

Arteries

Question 14

Blood vessels which carry blood back to the heart

Answer 14

Veins

Question 15

Circulation throughout the body, higher pressure

Answer 15

Systemic circuit

Question 16

Exchange/flow of blood between heart and lungs

Answer 16

Pulmonary circuit

Question 17

Provides blood for the heart to get it’s own circulation

Answer 17

Coronary circuit

Question 18

Supplies the heart with oxygenated blood

Answer 18

R+L coronary arteries

Question 19

Drains deoxygenated blood and brings the deoxygenated blood through the coronary sinus to the right atrium

Answer 19

Coronary veins

Question 20

Parasympathetic division through cranial nerve 10 (vagus nerve)

Answer 20

Autonomic nervous system

Question 21

Maintains sympathetic control pf heart rate and force constrain (slows down heart, foot off the pedal)

Answer 21

Medulla Oblongata

Question 22

Prevents backflow of blood, open to allow blood to move from one location to another

Answer 22

Valves of the heart

Question 23

Prevents back flow of blood to the ventricles

Answer 23

Semilunar valves

Question 24

Prevents blood in aorta returning to the left ventricle

Answer 24

Aortic semilunar vlave

Question 25

Prevents back flow of blood from the pulmonary trunk returning to the right ventricle

Answer 25

Pulmonary semilunar valve

Question 26

*NO accessory muscles/tendons*

Answer 26

Semilunar valves

Question 27

Controlled by papillary muscles and chordae tendineae

Answer 27

Atrioventricular (AV) valves

Question 28

Prevents back flow of blood from LV to LA (left AV)

Answer 28

Bicuspid valves

Question 29

Prevents back flow of blood from RV to RA (right AV)

Answer 29

Tricuspid valves

Question 30

Contraction phase of cardiac cycle

Answer 30

Systole

Question 31

Relaxation phase of cardiac cycle

Answer 31

Diastole

Question 32

Occurs mid diastole to late diastole, ventricles fill with blood 1st due to gravity

Answer 32

Ventricular filling

Question 33

Sounds of the heart during the cardiac cycle are made by the closing of the paired valves

Answer 33

AV and Semilunar valves

Question 34

How to hear sounds made by the heart during the cardiac cycle

Answer 34

Stethoscope

Question 35

Sound made by heart

Answer 35

Lubb-dupp

Question 36

*1st sound made by AV valves closing *

Answer 36

Lubb

Question 37

2nd sound made by semilunar valves

Answer 37

Dupp

Question 38

Precedes cardiac cycle and is autorhythmic

Answer 38

Electrical conductor system

Question 39

Produced by specialized cardiac muscle called nodes

Answer 39

Auto rhythm

Question 40

Primary pacemaker of the heart

Answer 40

Sinoatria node

Question 41

Primary pacemaker of the heart, found in superior right atrial myocardium

Answer 41

Sinoatrial node

Question 42

*Chordae tendineae and papillary muscles associate with*

Answer 42

AV valves

Question 43

*Chamber to chamber, control flow from atria to ventricles*

Answer 43

AV valves

Question 44

*What valve stops backflow from RV to RA*

Answer 44

Tricuspid valves

Question 45

*Visceral pericardium*

Answer 45

Epicardium

Question 46

*When does isovolumetric contraction occur*

Answer 46

Systole

Question 47

*CNS, phagocytes*

Answer 47

Microglia