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Anatomy & Physiology Unit 2 > Cardiovascular System > Flashcards

Cardiovascular System Flashcards

1
Q

Located in thoracic cavity

A

Heart

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2
Q

Is closest to the diaphragm

A

Apex

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3
Q

Is closest to clavicle

A

Base

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4
Q

Innermost layer in contract with blood

A

Endocardium

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5
Q

Middle muscular layer of heart

A

Myocardium

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6
Q

Outermost layer of heart

A

Pericardium

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7
Q

Intact with heart proper

A

Epicardium

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8
Q

Has a 2-sided/double-sided pump

A

Heart

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9
Q

Contains and transports deoxygenated blood

A

Right

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10
Q

Contains and carries oxygenated blood

A

Left

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11
Q

Where the superior and inferior vena cava empty deoxygenated blood from the body

A

Right atrium

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12
Q

Where the pulmonary veins transport oxygenated blood back to

A

Left atrium

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13
Q

Blood vessels which carry blood away from the heart

A

Arteries

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14
Q

Blood vessels which carry blood back to the heart

A

Veins

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15
Q

Circulation throughout the body, higher pressure

A

Systemic circuit

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16
Q

Exchange/flow of blood between heart and lungs

A

Pulmonary circuit

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17
Q

Provides blood for the heart to get it’s own circulation

A

Coronary circuit

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18
Q

Supplies the heart with oxygenated blood

A

R+L coronary arteries

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19
Q

Drains deoxygenated blood and brings the deoxygenated blood through the coronary sinus to the right atrium

A

Coronary veins

20
Q

Parasympathetic division through cranial nerve 10 (vagus nerve)

A

Autonomic nervous system

21
Q

Maintains sympathetic control pf heart rate and force constrain (slows down heart, foot off the pedal)

A

Medulla Oblongata

22
Q

Prevents backflow of blood, open to allow blood to move from one location to another

A

Valves of the heart

23
Q

Prevents back flow of blood to the ventricles

A

Semilunar valves

24
Q

Prevents blood in aorta returning to the left ventricle

A

Aortic semilunar vlave

25
Q

Prevents back flow of blood from the pulmonary trunk returning to the right ventricle

A

Pulmonary semilunar valve

26
Q

NO accessory muscles/tendons

A

Semilunar valves

27
Q

Controlled by papillary muscles and chordae tendineae

A

Atrioventricular (AV) valves

28
Q

Prevents back flow of blood from LV to LA (left AV)

A

Bicuspid valves

29
Q

Prevents back flow of blood from RV to RA (right AV)

A

Tricuspid valves

30
Q

Contraction phase of cardiac cycle

A

Systole

31
Q

Relaxation phase of cardiac cycle

A

Diastole

32
Q

Occurs mid diastole to late diastole, ventricles fill with blood 1st due to gravity

A

Ventricular filling

33
Q

Sounds of the heart during the cardiac cycle are made by the closing of the paired valves

A

AV and Semilunar valves

34
Q

How to hear sounds made by the heart during the cardiac cycle

A

Stethoscope

35
Q

Sound made by heart

A

Lubb-dupp

36
Q

*1st sound made by AV valves closing *

A

Lubb

37
Q

2nd sound made by semilunar valves

A

Dupp

38
Q

Precedes cardiac cycle and is autorhythmic

A

Electrical conductor system

39
Q

Produced by specialized cardiac muscle called nodes

A

Auto rhythm

40
Q

Primary pacemaker of the heart

A

Sinoatria node

41
Q

Primary pacemaker of the heart, found in superior right atrial myocardium

A

Sinoatrial node

42
Q

Chordae tendineae and papillary muscles associate with

A

AV valves

43
Q

Chamber to chamber, control flow from atria to ventricles

A

AV valves

44
Q

What valve stops backflow from RV to RA

A

Tricuspid valves

45
Q

Visceral pericardium

A

Epicardium

46
Q

When does isovolumetric contraction occur

A

Systole

47
Q

CNS, phagocytes

A

Microglia

Anatomy & Physiology Unit 2 (3 decks)

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