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Med Term 2 (AC) > Week Three: Have A Heart > Flashcards

Week Three: Have A Heart Flashcards

0
Q

What does cardiovascular mean?

A

Pertaining to the heart and blood vessels

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1
Q

What is the purpose of the cardiovascular system?

A

Delivers oxygen, nutrients, and hormones to various tissues of the body

Transports waste products to the appropriate waste removal system

Also called circulatory system

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2
Q

What is the heart?

A

A hollow, muscular organ that provides the power to move blood through the body

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3
Q

The heart is located in the…

A

Mediastinum

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4
Q

What is the pericardium?

A

Double walled membrane surrounding the heart

Made of fibrous and serous layers

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5
Q

What is the fibrous layer of the pericardium?

A

Tougher, protective layer

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6
Q

What is the parietal layer of the serous layer of the pericardium?

A

Outside

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7
Q

What is the visceral layer of the serous layer of the pericardium?

A

Touches the organ

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8
Q

What is the pericardial space?

A

Space between the two serous layers of the pericardium

Contains pericardial fluid

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9
Q

What is pericardial fluid?

A

Prevents friction between the heart and pericardium when the heart beats

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10
Q

What are the three layers of the heart?

A

Epicardium, myocardium, endocardium

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11
Q

What is the epicardium

A

External layer of heart

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12
Q

What is the myocardium

A

Middle layer of heart

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13
Q

What is the endocardium

A

Inner layer of heart

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14
Q

What are coronary vessels

A

Blood vessels that deliver blood to and take blood away from hearts tissues

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15
Q

What is a coronary occlusion

A

Blockage of coronary vessels and can lead to ischemia

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16
Q

What is ischemia

A

Deficiency in blood supply to an area

May lead to necrosis

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17
Q

An area of necrosis caused by ischemia is called..

A

Infarct

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18
Q

What is atria

A

Superior chambers if heart

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19
Q

Combing form for atria

A

Atri/o

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20
Q

What are ventricles

A

Inferior chambers of the heart

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21
Q

Combining form for ventricles

A

Ventricul/o

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22
Q

What is a septum

A

Separating wall

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23
Q

What does the atrioventricular septum separate

A

Right and left chambers of the heart

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24
Q

What is the apex

A

Tip of heart (pointing part)

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25
Q

What is a valve?

A

Membranous fold

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26
Q

Heart valves control…

A

Flow of blood through heart

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27
Q

Combining form for valve

A

Valv/o and valvul/o

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28
Q

Right AV valve is also called..

A

Right atrioventricular valve

Tricuspid valve

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29
Q

Left AV valve is also called

A

Left atrioventricular valve
Bicuspid valve
Mitral valve

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30
Q

What is heartbeat

A

Rate and regularity of heart rhythm

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31
Q

What influences heartbeat

A

Electrical impulses from nerves in the myocardium

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32
Q

What is cardiac output

A

Volume of blood pumped by the heart over time

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33
Q

Where is the sinoatrial node (SA node) located

A

In the right atrial wall

34
Q

What does the SA node do?

A

Initiates hart rhythm

35
Q

Where is the atrioventricular node (AV node) located

A

In the Interatrial septum

36
Q

What does the AV node do?

A

Receives impulse from SA node and sends impulses to the bundle of His

37
Q

Where is the bundle of his located?

A

In the inter ventricular septum and continues through ventricles as the Purkinje fibers

38
Q

What do Purkinje fibers do?

A

Carry impulses through ventricular muscle causing them to contract

39
Q

What is systole?

A

Contraction

40
Q

What is asystole?

A

Without contraction, heart is not beating

41
Q

What do arrhythmia and dysrhythmia mean?

A

Abnormal heart rhythm

42
Q

What is bradycardia

A

Abnormally slow heartbeat

43
Q

What is tachycardia

A

Abnormally fast heartbeat

44
Q

What is an electrocardiography?

A

Process of recording electrical activity of heart

45
Q

What is an electrocardiogram?

A

Record of electrical activity of myocardium

46
Q

What is the P wave

A

First wave/signal

Depolarization of the atria

47
Q

What is QRS complex

A

Spike part on an ECG

Depolarization of ventricles

48
Q

What is T wave

A

Repolarization

49
Q

What is auscultation

A

Listening to body sounds with a stethoscope

50
Q

What is the “lub”

A

Closing of atrioventricular valves

51
Q

What is the “dub”

A

Closing of the semilunar valves

52
Q

What is a murmur

A

Abnormal sound associated with turbulent blood flor

53
Q

What are blood vessels

A

Tubes which blood flows through

54
Q

What are the combining form for vessels

A

Angi/o and vas/o

55
Q

What are the three major types of blood vessels

A

Arteries, capillaries, and veins

56
Q

What is lumen

A

Opening in blood vessels which blood flows

Opening of any tube

57
Q

What is constriction

A

Narrowing of the lumen

58
Q

What is dilation

A

Widening of lumen

59
Q

What are arteries

A

Blood vessels that carry blood away from heart

Usually oxygenated but not always

60
Q

What is the combining form for artery

A

Ateri/o

61
Q

What are arterioles

A

Smaller branches of arteries

62
Q

What are veins

A

Blood vessels that carry blood toward the heart

Usually deoxygenated but not always

63
Q

What are the combining forms for veins

A

Ven/o and pleb/o

64
Q

What are capillaries

A

Single cell thick and interface between arteries and veins

65
Q

What is blood pressure

A

Tension exerted by blood on the arterial walls

66
Q

What is the combining form for blood pressure

A

Tensi/o

67
Q

What is blood pressure measured by

A

Sphygmomanometer

68
Q

What is a tourniquet (know how to spell this)

A

Stops blood flow

69
Q

What is cardiomegaly

A

Heart enlargement

70
Q

What is cardiomyopathy

A

Disease of heart muscle

71
Q

What is CHF

A

Congestive heart failure

72
Q

What is dirofilariosis

A

Heartworm infection

73
Q

What is embolus

A

Foreign thing somewhere

74
Q

What is embolism

A

Condition if having foreign thing somewhere

75
Q

What is hematoma

A

Blood tumor or collection of blood

76
Q

What is occlusion

A

Blockage

77
Q

What is shock

A

Oxygen not getting to tissues

78
Q

What is thrombus

A

Clot

79
Q

What is thrombosis

A

Condition of having clot

80
Q

What is defibrillation

A

Use of electric shock to correct heart

81
Q

What is hemostasis

A

Stopping of blood flow

82
Q

What is transfusion

A

Blood or blood products from someone else

83
Q

What is PDA

A

Patent ductus arteriosus

Open hole between heart

Med Term 2 (AC) (10 decks)

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