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Segment 2 > Cardiovascular System > Flashcards

Cardiovascular System Flashcards

1
Q

Systole

A

Contraction phase of a heartbeat

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2
Q

Diastole

A

Relaxation phase of a heartbeat

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3
Q

Preload

A

The amount of ventricle stretch at the end of diastole

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4
Q

After load

A

The amount of pressure the heart needs to extend to eject the blood during ventricular contraction

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5
Q

How much do ventricles fill passively

A

75%

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6
Q

How much does arterial push to fill the ventricles ( atrial kick)

A

%25

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7
Q

Universal donor

A

O negative

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8
Q

Universal recipient

A

AB positive

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9
Q

Endocardium

A

Outermost layer
Contains blood vessels

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10
Q

Myocardiaium

A

Middle layer
Contractile tissues
Thickset

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11
Q

Epicardium

A

Innermost layer
Composers of vowels inner lining of chambers vessels, and nerves

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12
Q

Pericardium

A

A fibrous sac that encloses the heart
3 parts

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13
Q

Visceral

A

Innermost part of the pericardium

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14
Q

Parietal

A

Middle part of the pericardium

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15
Q

Fibrous

A

Most outside part of the pericardium

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16
Q

Right coronary artery

A

Supplies, right atrium, and most of the right ventricle

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17
Q

Left coronary artery

A

Supplies blood to the left ventricle left atrium and inter-ventricular septum

18
Q

Left anterior descending artery

A

Supplies blood to the front and bottom of the left ventricle and the front of the steptum

19
Q

Left circumflex artery

A

Supplies blood to the lateral walls of the left that circle in the left atrium
And in 50% of the population to the SA node it also supplies blood to the left posterior fasciculus
Of the left bundle branch, this artery circles, the left ventricle and rice blood to the ventricles posterior portion

20
Q

Coronary sinus

A

Empties into the right atrium

21
Q

When do the coronary arteries fill up?

A

When the heart is relaxed

22
Q

Kortikoff sounds

A

This sounds heard when the Sega monometer when taking a blood pressure

23
Q

Pulse pressure

A

The difference between systolic and diastolic pressure

24
Q

Frank Sterling law

A

The greater the stretch, the stronger the contraction

25
Q

Baroreceptors

A

Detect changes in blood pressure

26
Q

Chemo receptors

A

Responses to chemicals

27
Q

Chronotropic

A

Time
Change in hate rate
SA mode

28
Q

Inotropic

A

Change of force in contraction

29
Q

Dromotropic

A

Change in speed of impulse conduction through AV node

30
Q

Atrial kick

A

Slight pause of impulse between the essay and AV node, so the blood has time to push into the ventricles

31
Q

What is a heart murmur?

A

It is a hole in the stepped up. The septum separates the heart from the left or the right side. .

32
Q

Automatically

A

Ability of heart to generate and conduct electrical impulses on its own

33
Q

Contractility

A

The strength of contraction of the heart at any given end to diastolic volume

34
Q

Conductivity

A

Ability to conduct an electrical impulse

35
Q

Excitability

A

Very receptive to outside electrical stimulus

36
Q

SA node

A

60 to 100 bpm

37
Q

Av node

A

40 to 60 bpm

38
Q

Third pacemaker

A

Bundle of His
Bundle, branches
Perkinje fibres 20-40 bpm

39
Q

AV junction

A

The AV node and surrounding tissue, including the bundle of his

40
Q

The bachmans bundle

A

Abroad, fan of cardiac muscle that passes from the right atrium between the superior vena cava, and the ascending aorta

41
Q

Sympathetic

A

Increases epi and norepinephrine

42
Q

Parasympathetic

A

Relaxes decrease histamine

Segment 2 (16 decks)

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