The Heart

Front 1

The heart is a ____ muscular organ, about the size and shape of a persons fist

Back 1

hollow

Front 2

The heart weighs __-__ oz

Back 2

9-13

Front 3

The heart lies in the mediastinum with approx 2/3's of it's mass to the ___ of the midline of the body

Back 3

left

Front 4

The heart lies in a sac called the ____

Back 4

pericardium

Front 5

The hearts three layers

Back 5

1. Endocardium
2. Myocardium
3. Epicardium

Front 6

The endocardium is the ____ membrane that lines the chambers and valves

Back 6

innermost

Front 7

The ____ is the middle layer that consists of muscle, provides the pumping action

Back 7

myocardium

Front 8

the ____ is the outer most layer of the heart, visceral portion

Back 8

Epicardium

Front 9

What are the 4 chambers of the heart

Back 9

Right and Left Atrium
Right and Left Ventricle

Front 10

The ___ atrium collects un-oxygenated blood from the superior/inferior vena cavas

Back 10

Right Atrium

Front 11

The ____ atrium collects oxygenated blood from the left and right pulmonary veins

Back 11

Left atrium

Front 12

What is the only vein to cary oxygenated blood to the heart

Back 12

pulmonary veins

Front 13

Arteries always ___ the heart

Back 13

leave

Front 14

Veins always ____ the heart

Back 14

empties into the heart

Front 15

The R and L ___ pump blood from the heart

Back 15

ventricles

Front 16

The right ___ pumps un-oxygen blood to the lungs via pulmonary artery

Back 16

ventricle

Front 17

the L ventricle pumps ____ blood to the body via the aorta

Back 17

oxygenated

Front 18

The ventricles consist of ____ muscle tissue than the atrium

Back 18

thicker

Front 19

The L ventricle pumps blood to the body and it is approx ___ times thicker that the R ventricle

Back 19

three

Front 20

____ blood returns to the heart via the superior and inferior vena cava, and empties to the R atrium

Back 20

Unoxygenated

Front 21

R and L ____ veins carry oxygenated blood back to the heart from the lungs, and empties into the L atrium

Back 21

pulmonary veins

Front 22

When the heart contracts, blood leaves the R ventricle of the heart through the ___ ___ and travels to the lungs to become oxygenated

Back 22

pulmonary artery

Front 23

Whats the largest artery in the body?

Back 23

aorta

Front 24

4 valves

Back 24

1. Tricuspid
2. bicuspid
3. pulmonary
4. aortic

Front 25

The bicuspid valve is aka

Back 25

mitral valve

Front 26

The PULMONARY valve is located in the pulmonary artery, has __ semilunar cusps

Back 26

3

Front 27

The pulmonary valve is aka

Back 27

pulmonary semilunar valve

Front 28

The AORTIC valve is located between the L ventricle and aorta, has __ semilunar cusps

Back 28

3

Front 29

The aortic valve is aka

Back 29

aortic semilunar

Front 30

The circulation of blood from the R ventricle of the heart to the lungs and back to the L ___ of the heart

Back 30

atrium

Front 31

The blood passing through the chambers of the heart cannot be used by the ____

Back 31

myocardium

Front 32

The ___ system, consisting of coronary arteries and veins, provides the circulatory system for the heart

Back 32

coronary system

Front 33

2 Coronary arteries branch from the aorta and supply the heart
---the right and left coronary artery

Back 33

NOTE------->>>>>>

Front 34

Coronary veins drain blood from the ____ and into the R atrium of the heart

Back 34

myocardium

Front 35

The ___ node located in the R atria, generates electrical impulses in the atria causing them to contract

Back 35

sinoatrial node (SA)

Front 36

The ____ node located in the base of the R atria, receives the impulse from the SA node, and passes it onto the Bundle of His

Back 36

atrioventricular node (AV)

Front 37

The ___ __ ___ located at the distal portion of the AV node and extends across the septum and divides into L&R branches

Back 37

Bundle of His

Front 38

A continuation of the bundle branches, extends into the ventricles is called what?

Back 38

Purkinje fibers

Front 39

Contraction of the heart or "lub" sound as blood goes out by the pulmonary artery and aorta (systole or diastole)

Back 39

Systole

Front 40

Relaxation of the heart or "dub" as blood comes in from the vena cava and pulmonary veins (Systole or Diastole)

Back 40

diastole

Front 41

Artherosclerosis

Back 41

buildup of plaque causing vessels to narrow and decrease blood flow

Front 42

Stenosis

Back 42

narrowing of the heart valves

Front 43

Bradycardia

Back 43

abnormally slow heart rate

Front 44

tachycardia

Back 44

abnormally high heart rate

Front 45

Arrhythmia

Back 45

irregular heart rhythm

Front 46

Palpitation

Back 46

pounding or racing of heart from emotions or heart disorder

Front 47

Ventricular Fibrillation

Back 47

Failure of ventricle pumping

Front 48

Mitral-valve prolapse

Back 48

leakage in bicuspid valve

Front 49

Coronary-artery disease

Back 49

reduces flow of oxygen and nutrients to the myocardium

Front 50

Myocardium infarction

Back 50

heart attack (coronary artery disease leads to heart attack)

Front 51

Angina pectoris

Back 51

sever chest pain due to oxygen deprivation

Front 52

Congestive heart failure

Back 52

inability of L ventricle to pump adequately

Front 53

pulmonary edema

Back 53

congested pulmonary circulation caused most commonly by congestive heart failure

Front 54

The portion of the cardiovascular system that deals with the blood vessels that allow for the circulation of blood throughout the body is the ????

Back 54

vascular system

Front 55

The ____ circulation system that supplies those parts of the body that receive blood through the aorta rather than the pulmonary artery (everything but the lungs)

Back 55

Systemic

Front 56

major structures of the vascular system include: ____, arterioles, capillaries, venues, and veins

Back 56

Arteries