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Anatomy/Physiology > Chapter 10 HW > Flashcards

Chapter 10 HW Flashcards

1
Q

Arteriole is what type of artery

A

Resistance

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2
Q

Right atrium

A

Blood enters into this heart structure from the superior and inferior vena cavae

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3
Q

Left atrium

A

Blood enters into when it returns to the heart from the lungs

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4
Q

Aortic valve

A

Blood is forced through this when leaving the left ventricle

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5
Q

Left ventricle

A

Blood leaves the left atrium and enters this chamber of the heart

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6
Q

Bicuspid valve

A

Blood leaves the left atrium through this valve

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7
Q

Aorta

A

Blood leaves the left ventricle and travels to this structure

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8
Q

Tricuspid valve

A

Blood leaves the right atrium and passes through this balance to get to the right ventricle

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9
Q

Deoxygenated blood enters the heart from the body through what structure

A

Superior and inferior vena cavae

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10
Q

Pulmonary circulation

A

CO2 is unloaded and O2 is loaded

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11
Q

Systemic circulation

A

CO2 is loaded and O2 is unloaded

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12
Q

Which type of valve separates the atria from the ventricle

A

Atrioventricular valve

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13
Q

Which structure does the pulmonary trunk split into, taking blood to the lungs

A

Pulmonary arteries

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14
Q

Pacemaker of the heart

A

Sinoatrial node

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15
Q

Sequence of vessels that blood travels as it leaves the heart

A

Aorta, arteries, arterioles, capillaries, venules, veins, vena cavae

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16
Q

What’s in the endocardium

A

Tissue that lines the heart’s four chambers

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17
Q

Function of capillaries

A

Exchange fluids and other materials between the tissues and the blood

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18
Q

Function of the tendinous chords

A

Attach the valve to the papillary muscle

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19
Q

Function of tunica externa

A

Anchors the vessel to surrounding tissue

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20
Q

Function of tunica interna

A

Secretes a chemical to repel platelets so blood can easy flow through the vessel

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21
Q

Pericardium

A

A fluid-filled, double walled membrane that surrounds the heart

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22
Q

Intercalated discs in cardiac muscle tissue purpose

A

Intercalated discs allow atrium or ventricles to contract simultaneously, intercalated discs allow fast electrical transmission between cells

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23
Q

Smallest blood vessel

A

Capillary

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24
Q

Structure that carries the electrical impulse from the AV node toward the apex of the heart

A

Atrioventricular bundle

25
Q

What structure fans out from the end of the AV bundle to the wall of the ventricles

A

Purkinje fibers

26
Q

External structure that marks the separation of the atria from the ventricles

A

Coronary sulcus

27
Q

What structure returns blood from the lungs to the heart

A

Pulmonary veins

28
Q

What structure sends the electrical impulse to stimulate the ventricles to contract

A

Atrioventricular node

29
Q

What structure separates the right ventricle from the left ventricle

A

Interventricular septum

30
Q

What structure takes oxygenated blood from the heart to the rest of the body

A

Aorta

31
Q

Cardiac output

A

Describes the amount of blood ejected by each ventricle each minute

32
Q

Stroke volume

A

Describes the amount of blood ejected from the ventricle per beat

33
Q

Preload

A

Describes the amount of tension in the myocardium of the ventricular wall

34
Q

Cardiac reserve

A

Describes the difference between the cardiac output of a heart at rest and the maximum cardiac output the heart can achieve

35
Q

Afterload

A

Describes the pressure in the pulmonary trunk and aorta during diastole

36
Q

Conducting artery

A

Carries blood away from the heart

37
Q

Anastomoses circulation

A

Involves vessels merging together

38
Q

What vein drains the lower body, essentially everything below the diaphragm

A

Inferior vena cava

39
Q

Tunica interna

A

Blood vessel layer composed of simple squamous epithelial tissue and fibrous blood issue

40
Q

Which chambers in the heart pump blood

A

Ventricles

41
Q

Which chambers in the heart receive blood

A

Atria

42
Q

Electrocardiogram

A

Diagnostic test that records the heart’s electric activity

43
Q

Ultrasound

A

Diagnostic tool that uses sound waves to visualize the heart

44
Q

Varicose veins

A

Disorder caused by dysfunctional valves in the veins that allow the back flow and pooling of blood, resulting in enlarged veins

45
Q

Anatomical structures of the heart combining forms

A

Ventricul/o (ventricle), pericardi/o (pericardium), atri/o (atrium)

46
Q

Arter/o

A

Artery

47
Q

Atri/o

A

Atrium

48
Q

Tachy/

A

Rapid

49
Q

Atrial systole

A

Atria depolarize and contract together creating decreased volume and higher pressure in the atria than the ventricles

50
Q

Ventricular diastole

A

Ventricles then repolarize and relax

51
Q

Adaptation that allows the heart to have oxygen readily available

A

Cardiac cells are rich in myoglobin

52
Q

Equation for calculating cardiac output

A

CO = HR x SV

53
Q

Ven/o

A

Vein

54
Q

Systole

A

Refers to contraction

55
Q

Diastole

A

Refers to relaxation

56
Q

Blood vessel that has valves to prevent back flow of blood

A

Vein

57
Q

Which wave on the ECG shows the depolarization of the atria

A

P

58
Q

Which wave on the ECG shows the depolarization of the ventricles

A

Q, R, S

59
Q

Which wave on the ECG shows the repolarization of the ventricles

A

T

Anatomy/Physiology (10 decks)

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