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Health Sciences OSTC > circulatory system > Flashcards

circulatory system Flashcards

1
Q

what happens to heart during diastole?

A

the heart has a brief period of rest

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2
Q

what happens to the heart during systole?

A

Period of contraction of heart where it squeezes out blood

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3
Q

whats arrhythmia?

A

abnormal hearth rhythms

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4
Q

how is arrhythmia diagnosed?

A

cardiac monitors and electrocardiogram

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5
Q

arteries?

A

Muscular elastic blood vessels that carry blood away from the heart

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6
Q

whats the most muscular and elastic blood vessel?

A

arteries

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7
Q

whats the conductive pathway for electrical impulse in the heat?

A

SA node, AV node, bunndle of his, R & L bundle branches, purkinje fibers

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8
Q

veins

A

blood vessels that carry blood back to heart and contain valves to prevent backflow of blood

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9
Q

capillaries

A

vessels that allow oxygen and nutrients to pass through the cell and connect arterioles with venules

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10
Q

aorta

A

largest artery in the body

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11
Q

superior and inferior vena cava

A

two largest veins in body

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12
Q

venules

A

smallest branches of veins in the body

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13
Q

arterioles?

A

smallest branches of arteries in the body

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14
Q

what are six substances transported by the blood?

A

oxygen, carbon dioxide, nutrients, metabolic and waste products, heat

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15
Q

six substances that are dissolved or suspended in plasma

A

blood proteins, nutrients, vitamins, gasses, metabolic waste products and hormones

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16
Q

what are the three main blood cells?

A

erythrocytes, leukocytes, thrombocytes

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17
Q

function of erythrocytes?

A

carry oxygen from lungs to the body and brings carbon dioxide from body to lungs

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18
Q

function of leukocytes?

A

protects body from infectious disease and foreign invaders

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19
Q

function of thrombocytes?

A

stops bleeding by clumping and clotting blood vessel injuries

20
Q

what gives blood its characteristic of red color ?

A

hemoglobin

21
Q

whats hemoglobin? function?

A
  • complex protein composed of protein molecule called globin
  • transports o2 and co2 threw the body
22
Q

whats neutrophils and monocytes?

A

phagocytize bacteria

23
Q

what do lymphocytes do?

A

provide immunity for the body by developing antibodies

24
Q

what do eosinophils do?

A

defend the body from allergic reactions

25
Q

what do basophils do?

A

produce histamine and heparin

26
Q

aneurysm disease?

A

saclike formation in the wall of an artery

27
Q

anemia disease?

A

inadequate number of red blood cells, hemoglobin, or both

28
Q

varicose veins disease?

A

dilated swollen veins

29
Q

artherosclerosis disease?

A

a fatty deposit on the wall of arteries

30
Q

hemophilia disease?

A

disease characterized by failure of blood to clot

31
Q

hypertension disease?

A

high blood pressure

32
Q

thrombophlebitis disease?

A

inflammation of the veins with formation of a clot

33
Q

myocardial infarction disease?

A

blockage in the coronary arteries of the heart

34
Q

embolus disease?

A

foreign substance circulating in the blood stream

35
Q

leukemia disease?

A

malignant disease with large numbers of immature white blood cells

36
Q

aortic valve ?

A

valve between the left ventricle and aorta

37
Q

myocardium?

A

muscular middle layer of the heart

38
Q

pericardium ?

A

double- layer membrane on outside of heart

39
Q

whats the septum?

A

the muscular wall that separates the heart into a right and left side

40
Q

right and left ventricles?

A

lower chamber of the heart

41
Q

right and left atria?

A

upper chamber of heart

42
Q

fluid portion of blood?

A

plasma

43
Q

pulmonary valve?

A

valve between the right ventricle and right pulmonary artery?

44
Q

endocardium?

A

smooth layer of cell lining the inside of the heart

45
Q

whats tissue that flows through the circulatory system?

A

blood

46
Q

what’s the period of ventricular contraction in the heart?

A

systole

Health Sciences OSTC (15 decks)

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