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Cardiovascular Lecture 1 > Cardiovasular Lecture 1 > Flashcards

Cardiovasular Lecture 1 Flashcards

1
Q

The blood flow to each tissue of the body is almost always precisely controlled in relation to the ____ ______

A

Tissue needs

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2
Q

_______ ____________ is controlled mainly by the sums of all the local tissue flows

A

Cardiac output

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3
Q

In general, the arterial pressure is controlled _________ of either local blood flow or cardiac output

A

INDEPENDENTLY

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4
Q

Transport essential substances to the tissue is a function of the ________ _____________

A

Cardiovascular system

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5
Q

The cardiovasular system removes __-products of metabolism

A

BY

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6
Q

the cardiovascular system assists in regulation of body temperature. TRUE OR FALSE

A

TRUE

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7
Q

Humoral Communication throughout the body is accomplished with the _______ ______________

A

Cardiovascular system

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8
Q

Adjustments of oxygen and nutrient supply in different physiologic states is a function of the ________ ____________

A

Cardiovascular system

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9
Q

Pulmonary circulation is accomplished by the

A

Right ventricle

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10
Q

Systemic Circulatioin is accomplished by the

A

Left Ventricle

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11
Q

Pulmonary circulation is ____ pressure

A

LOW

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12
Q

Systemic Circulation is ______Pressure

A

HIGH

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13
Q

Valves cause _________ flow in the heart

A

UNIDIRECTIONAL

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14
Q

Greatest capacity of blood is on the _______ side

A

Venous (70%)

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15
Q

Greatest resistance to blood flow is in the __________

A

Arterioles

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16
Q

% of total blood volume on the arterial side

A

10%

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17
Q

% of total blood volume in the heart and lungs

A

15%

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18
Q

% of total blood volume in the capillaries

A

5%

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19
Q

% of total blood volume in the venous side

A

70%

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20
Q

Blood flow is essentially ___-_______ at the capillary level

A

Non-pulsatile

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21
Q

Distenstion of the aorta and its branches during

A

SYSTOLE

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22
Q

Elastic recoil of the large arteris with forward propulsion of blood during ventricular relaxation during____________

A

Diastole

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23
Q

Velocity of blood flow is __________ related to the cross-sectional area of the vascular system

A

INVERSELY

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24
Q

Blood flow velocity is very slow in the capillaries which make conditions ideal for exchange of ___________ ____________

A

diffusable substances

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25
Q

Capillaries have a ____ cross-sectional area

A

Large

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26
Q

CO =

A

HRxSV

27
Q

What is the region above plane between the sternal angle and inferior body of T4 vertebral body?

A

Superior Mediastinum

28
Q

Fibrous serous sac that the heart lies in

A

Pericardium

29
Q

Visceral pericardium lies

A

On the heart muscle itself

30
Q

Fibrous Pericardium is not part of the _____ _______

A

serous epicardium

31
Q

Parasympathetic innervation originates in the _____ ______

A

Medulla Oblongata

32
Q

Sympathetic innervation is at levels

A

T1-T4 and are cardiac accelerators

33
Q

There is _________ innervation to the ventricles by the Parasympathetic nervous system

A

LITTLE

34
Q

Vagus nerves are part of the ________ ________

A

Parasympathetic nerve innervation of the heart

35
Q

What provides much innervation to the SA and AV nodes of the heart?

A

Parasympathetic Nerves

36
Q

Has Interatrial conduction pathways

A

SA node

37
Q

Internodal conduction pathway from SA node to ___ node

A

AV

38
Q

AV node is situated on the ____ side of the interatrial septum near the ostium of the coronary sinus

A

RIGHT

39
Q

Eustachain Valve

A

Old remnant of fetal circulation

40
Q

Valve separating Right ATRIUM and Right VENTRICLE

A

Tricuspid

41
Q

Right Ventricle is _____-shaped in cross section

A

Crescent

42
Q

Left Ventricle is _____ in shape in cross section

A

Rounded

43
Q

Site of thrombus formation with people in a-fib

A

Left Atrial appendage

44
Q

How many pulmonary Veins?

A

4

45
Q

What returns oxygenated blood from lungs back to the heart?

A

Pulmonary Veins

46
Q

What has a thick wall, circular on cross section, A/P Papillary muscles?

A

Left Ventricle

47
Q

What separates the left ventricle and AORTA

A

The Aortic valve

48
Q

Which valve is located between (and on the same plane as) the mitral and tricuspid valves

A

The Aortic valve

49
Q

How many leaflets does the Aortic Valve have?

A

3

50
Q

Right and Left MCA orginate from sinueses of Valsalva which are dilations of the _________aorta that occur just aboce the aortic arch

A

Ascending

51
Q

What separates the LEFT ATRIUM from the LEFT Ventricle

A

Mitral Valve

52
Q

The Mitral valve has how many leaflets?

A

2

53
Q

The ANTERIOR LEAFLET of the mitral valve is ____&______

A

Wide and Short

54
Q

The POSTERIOR LEAFLET of the mitral valve is _____ & _______

A

Narrow and Long

55
Q

The Mitral valve has ________ muscles and ________tendinae

A

Papillary and Chordae

56
Q

What separates the Right Atrium from the Right Ventricle

A

Tricuspid Valve

57
Q

How many leaflets does the Tricuspid Valve have?

A

3

58
Q

What are the 3 leaflets of the Tricuspid Valve?

A

Anterior, Posterior and Septal

59
Q

What separates the Right Ventricle from the Pulmonary Artery?

A

The Pulmonic Valve

60
Q

Do you want to do Spinal Anesthesia on someone with Aortic Stenosis?

A

No

61
Q

How many cusps does the Pulmonic Valve have?

A

3

62
Q

Which coronary artery supplies blood to the Posterior Descending Artery (PDA)

A

Right Coronary Artery

63
Q

Which coronary artery bifurcates to form the LAD and Left Circumflex

A

The Left Coronary Artery

64
Q

Which coronary artery is the additional branch in people who have tri-furcation of left main

A

Ramus Intermedius

Cardiovascular Lecture 1 (3 decks)

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