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AP > Heart > Flashcards

Heart Flashcards

1
Q

3 layers of the heart wall in order from most superficial

A

Epicardium

Myocardium

Endocardium

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2
Q

Which valve is between the Left atrium and Left ventricle?

A

Mitral valve aka Bicuspid valve

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3
Q

This valve carries blood from the heart to the rest of the body.

Located between the Left ventricle and the aorta

A

Aortic semilunar valve

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4
Q

This valve is between the Deoxygenated Right Atrium and the Deoxygenated Right Ventricle

A

Tricuspid Valve

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5
Q

This valve allows blood to flow from the heart to the lungs

It is located between the Right Ventricle and Pulmonary Artery

A

Pulmonary Semilunar valve

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6
Q

Recieving chambers of the heart

A

Atria (plural)

Atrium (Singular)

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7
Q

Discharging chambers of the heart

A

Ventricles

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8
Q

Right Ventricle pumps blood to the Pulmonary Trunk, splitting to form (Right & Left Pulmonary Artery)

Via which valve

A

Pulmonary Semilunar Valve

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9
Q

Pulmonary Artery contains which type of blood?

A

Deoxygenated

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10
Q

Pulmonary Artery sends blood where?

A

Lungs

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11
Q

What structure allows “things” to travel in and out of the blood?

A

Capillaries

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12
Q

Pulmonary veins carry which kind of blood ?

A

Oxygenated

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13
Q

Where do Pulmonary Veins carry oxygenated blood to, from the lungs?

A

Left Atrium

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14
Q

Oxygenated blood through the left Atrium to the left ventricle via which valve?

A

Mitral valve or Bicuspid valve

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15
Q

From Right Ventricle to Lungs to Left Atrium is called?

A

Pulmonary circulation loop

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16
Q

Left Ventricle to Aortic Semilunar Valve to Aorta is called what?

A

Systemic Loop

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17
Q

How does blood enter the Right Atrium?

A

Superior and Inferior Vena Cava

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18
Q

The “Lub” sound of the heart is caused by the Mitral and Tricuspid valves closing to pump blood out of the heart.

This type of blood pressure is called?

A

Systole

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19
Q

The “Dub” sound is the Pulmonary and Aortic valves closing at the start of ______

A

Diastolic

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20
Q

Systole is when the heart is ______

Diastole is when the hear is _____

115/ 75 which number is which?

A

Systole is Squeezing

Diastolic is Refilling

115 Systolic
75 Diastolic

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21
Q

Blood comes into the right Atrium from the ______

A

Vena cava

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22
Q

From the right Ventricle to _____ via the Pulmonary Semilunar Valves

A

Pulmonary Trunk

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23
Q

a delicate network of connective tissue fibers, blood vessels, lymphatic vessels, and nerves that surrounds individual muscle fibers of the heart

A

Endomysium

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24
Q

What is known as the pacemaker of the heart?

A

SA node

Sinoatrial Node

25
Q

From SA node to ______

A

Atrioventricular node AV

26
Q

Cardiac conduction system

A

SA node, internodal pathway and Bachmanns bundle, AV node, Bundle of his, bundle branches, Purkinje fibers.

27
Q

Fibrillation means

A

Out of sync behavior

28
Q

Blood comes in from the vena cava to the _______

The Deoxygenated blood then travels through this valve ______ and enters this part of the heart ______

The blood travels through this structure _______ and this valve ______ on the way to the lungs.

Oxygen rich blood returns from the lungs via ______ and enters the heart where ______

The Oxygenated blood then travels through this valve ______ and enters this chamber of the heart ______

Finally the Oxygenated blood leaves the heart by exiting this valve _____ leaving the heart through this _______ the largest Artery in the blody.

A

Right Atrium

Tricuspid

Right Ventricle

Pulmonary Trunk & Pulmonary Semilunar Valve

Pulmonary Veins

Left Atrium

Bicuspid or Mitral

Left Ventricle

Semilunar Aortic bloody.

Aorta

29
Q

SA node -> AV node-> ____ -> right left bundle branches -> purkinji fibers

Cardiac conduction

A

Bundle of his

30
Q

The ____ system supplies the myocardium with oxygenated blood and nutrients as well as exchanging for waste products and CO²

A

Coronary system

31
Q

Located on the right Ventricle the ____ is the major venous tributary of the greater cardiac venous system; it is responsible for DRAINING MOST OF THE DEOXYGENATED BLOOD LEAVING THE MYOCARDIUM

A

Coronary Sinus

32
Q

From the right Ventricle to the Pulmonary SL valve to which structure,

then it branches off into these 2 structures

A

Pulmonary trunk

Left and right pulmonary arteries

33
Q

From Right to Left name the 3 extensions coming off the aortic arch

Supply the top part of the body with oxygenated blood

A

Brachiole Saphalic
Common Carotid
Subclavian

34
Q

_____ & _____ work together to keep the AV valves from allowing blood to reenter the artia

A

Chordae tendenae & papillary muscle

35
Q

SA node is located where

AV node is located where

A

SA right Atrium near superior vena cava

AV near the Atrium and Ventricle near the interartial septum

36
Q

Connects SA and AV nodes

A

Internodal pathway

37
Q

The SA initiates an electrical impulse that causes the Atria to…

A

Depolarize / contract

38
Q

Artial Repolarization / Relaxation happens from this structure to this structure

A

AV node to the SA node

39
Q

Ventricular Repolarization / Relaxation happens from this structure to this structure

A

Purkinje Fibers to Branches to bundle of His

40
Q

Why is there a delay in the SA node after receiving the impluse from the AV node

A

To allow the ventricles time to fill with blood

41
Q

During Repolarization/ Relaxation blood travels

A

To body, lungs, & fills Atrium

42
Q

During depolarization/ contraction blood is moving where

A

From the Atrium to the ventricles

43
Q

Ventricles contracting =

A

Systole

44
Q

Ventricles relaxing =

A

Diastole

45
Q

The coronary Artery goes through this structure to collect oxygenated blood during diastole

A

Aortic Semilunar Valve

46
Q

Coronary Artery brings oxygenated blood into this layer of the heart

A

Myocardium

47
Q

Deoxygenated blood from the Myocardium enters the right Atrium from this structure

A

Coronary sinus

48
Q

3 layers of heart starting most deep

A

Endocardium (smooth muscle)
Myocardium ( heart muscle)
Epicardium

49
Q

Pericardial sac contains 4 layers
Name them starting most interal

A

Visceral Pericardium
Pericardirdial Cavity(serous fluid)
Parietal pericardial
Fibrous pericardium

50
Q

P wave =

A

Artial Depolarization

51
Q

QRS =

A

Ventricular Depolarization

52
Q

T wave =

A

Ventricular Repolarization

53
Q

SA node starts heart beat aka Atrial Depolarization

Is the start of this “wave”

A

P

54
Q

Normal Sinus Rhythm is ____ BMP

A

60- 100

55
Q

Tachy Cardia is ___ BMP

A

> 100
More than 100

56
Q

Bradycardia is ___ BMP

A

<60
Less than 60 BPM

57
Q

120/80 BP

Which is Systolic / Diastolic

A

120 top Systolic
80 bottom Diastolic

58
Q

What is the maximum pressure that develops in arteries after Ventricular Contraction / Depolarization

A

Systolic

59
Q

What is the lowest amount of pressure in arteries after Ventricular relaxation

A

Diastolic

AP (37 decks)

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