Heart

Question 1

The heart is the size of a ____ and the shape of a ______

Answer 1

Fist

Cone

Question 2

Pointed part of the heart:

Answer 2

Apex

Question 3

Pericarditis

Answer 3

Swelling of the epicardium (outer layer of the heart)

Question 4

Also called visceral pericardium

Answer 4

Epicardium

Question 5

Thick muscle layer

Answer 5

Myocardium

Question 6

Continuous with the inner lining of blood vessels

Answer 6

Endocardium

Question 7

Innermost layer

Answer 7

Endocardium

Question 8

Middle layer

Answer 8

Myocardium

Question 9

Composed of simple squamous epithelium and some connective tissue

Answer 9

Endocardium

Question 10

Receiving chambers

Answer 10

Atriums

Question 11

Discharging chambers

Answer 11

Ventricles

Question 12

Structure dividing chambers

Answer 12

Septum

Question 13

The right side is pulmonary circuit, meaning:

Answer 13

Oxygen poor blood enters right side and gets exchanged in the lungs

Question 14

Systemic circulation

Answer 14

Left side of heart

Brings blood to the entire body

Question 15

How many valves does the heart have?

Answer 15

4

Question 16

Function of heart valves

Answer 16

Prevent back flow of blood

Question 17

Where are AV valves located

Answer 17

Between atrial and ventrical chambers

Question 18

Function of semilunar valves

Answer 18

Anchor the AV valves to the walls of the ventricles

Question 19

What happens to the semilunar valves when the heart is resting?

Answer 19

They hang limply

Question 20

How does the myocardium get nourished

Answer 20

By the left and right coronary arteries

Question 21

What carries blood to the right atrium

Answer 21

Super vena cava and inferior vena cava

Question 22

Right atrium pumps blood into

Answer 22

Right ventricle

Question 23

Right ventricle pumps blood to

Answer 23

Pulmonary arteries

Question 24

What carries blood to the left atrium

Answer 24

Pulmonary veins

Question 25

Pumps blood into left ventricle

Answer 25

Left atrium

Question 26

Pumps blood into aorta

Answer 26

Left ventricle

Question 27

Carries blood to entire body

Answer 27

Aorta

Question 28

Tricuspid

Answer 28

Prevents back flow of blood from the r ventricle to the r atrium

Question 29

Bicuspid

Answer 29

Prevents back flow of blood from l ventricle to l atrium

Question 30

Aortic valve

Answer 30

Prevents back flow of oxygenated blood from the aorta into the left ventricle

Question 31

Pulmonary valve

Answer 31

Prevents back flow of deoxygenated blood from the pulmonary trunk into the r ventricle

Question 32

Foramen ovale

Answer 32

An opening in the septum between the 2 atria of the heart | Normally present in fetus

Question 33

Pumping chamber of heart

Answer 33

Ventricle

Question 34

Receiving chamber of heart

Answer 34

Atrium

Question 35

Average BPM

Answer 35

60-90

Question 36

Actual name of heart

Answer 36

Myocardium

Question 37

EKG

Answer 37

Electricity heart produces

Question 38

Bradycardia

Answer 38

Slow heart rate

Question 39

Heart strings

Answer 39

Chordae tendonae

Question 40

P wave on EKG

Answer 40

Atria contracting

Question 41

Gas exchange

Answer 41

Capillaries

Question 42

Heart beating out of control

Answer 42

Fibrillation

Question 43

When ventricle is systole the ____ is closed

Answer 43

Tricuspid valve is close

Question 44

Blood supply to heart

Answer 44

Coronary circulation

Question 45

Safe BP

Answer 45

120/70

Question 46

What is the blood pressure taken through

Answer 46

Artery

Question 47

If the communication between the SA and AV nodes became blocked what would happen

Answer 47

The ventricles wouldn't contract

Question 48

Lub occurs when

Answer 48

The av valves are closed

Question 49

AV valves close during

Answer 49

Ventricular systole

Question 50

Vessels carrying blood towards heart

Answer 50

Veins

Question 51

Vessels carrying blood away from heart

Answer 51

Arteries

Question 52

A change in the normal pattern of a heart beat

Answer 52

Arrhythmia

Question 53

Natural pacemaker of the heart

Answer 53

SA node

Question 54

Dub sound caused by

Answer 54

Closing of aortic and pulmonic valves

Question 55

Blood flow from the heart to the lungs and back is

Answer 55

Pulmonary circulation

Question 56

As blood travels from the aorta to the capillaries what happens

Answer 56

Resistance increases

Question 57

The hallow cavity the heart is found in:

Answer 57

Thoracic cavity

Question 58

Pulmonary circulation

Answer 58

Deoxygenated blood away from the heart to lungs | Returns oxygenated blood back to the heart

Question 59

Pulmonary circulation steps

Answer 59

``` Right ventricle through pulmonary artery Right atrium Tricuspid valve Right ventricle Pulmonary valve Pulmonary trunk of pulmonary artery ```

Question 60

Coronary circulation steps

Answer 60

Left and right coronary arteries Cardiac veins Coronary arteries

Question 61

Normal PR

Answer 61

.12-.20 seconds

Question 62

Normal QRS

Answer 62

.8-.10

Question 63

Normal QT

Answer 63

.36-.44

Question 64

P:

Answer 64

Atrial depolarization

Question 65

QRS:

Answer 65

Ventricular depolarization/contraction

Question 66

T:

Answer 66

Ventricular depolarization

Question 67

Normal heart rate:

Answer 67

70-100

Question 68

Normal BP

Answer 68

120/80

Question 69

Cardiac output

Answer 69

Heart rate x BPM

Question 70

Average male and female cardiac output

Answer 70

5. 25 L | 4. 9 L

Question 71

Function of the chordae tendonae

Answer 71

Prevent AV Valves from being pushed up into the atria

Question 72

Lub sound

Answer 72

AV valves closing

Question 73

Dub sound

Answer 73

Semilunar valves closing

Question 74

Simple squamous epithelium covering the valves

Answer 74

Endocardium