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TEAS > Cardiovascular System > Flashcards

Cardiovascular System Flashcards

1
Q

What is the purpose of the cardiovascular system?

A

supply oxygen and nutrients

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2
Q

3 types of blood vessels

A

arteries, veins, capillaries

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3
Q

arteries

A

carry oxygenated blood away from the heart

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4
Q

capillaries

A

Microscopic vessel through which exchanges take place between the blood and cells of the body

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5
Q

veins

A

carry deoxygenated blood towards the heart

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6
Q

3 layers of heart wall

A

epicardium, myocardium, pericardium

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7
Q

pericardium

A

outer layer of the heart

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8
Q

myocardium

A

middle layer of the heart

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9
Q

endocardium

A

inner lining of the heart

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10
Q

4 heart chambers

A

right atrium, left atrium, left ventricle, right ventricle

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11
Q

4 valves of the heart

A

tricuspid, pulmonary, mitral, aortic

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12
Q

tricuspid valve

A

regulates blood flow between the right atrium and right ventricle

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13
Q

pulmonary valve

A

regulates blood flow from the right ventricle into the pulmonary artery

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14
Q

mitral valve

A

regulates blood flow from the left atrium into the left ventricle

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15
Q

aortic valve

A

regulates flow of blood from left ventricle to aorta

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16
Q

aorta

A

largest artery of the body

17
Q

systemic circulation

A

circulation that supplies blood to all the body except the lungs

18
Q

pulmonary circulation

A

flow of blood from to the heart to the lungs and back to the heart

19
Q

P wave

A

atrial contraction

20
Q

QRS wave

A

ventricular systole

21
Q

T wave

A

ventricular diastole

22
Q

What are the formed elements of blood?

A

platelets, rbcs, wbcs

23
Q

What is the liquid portion of blood?

A

plasma

24
Q

What is the purpose of RBCS?

A

-deliver oxygen

25
Q

What is the purpose of white blood cells?

A

immunity

26
Q

What is the function of platelets?

A

clotting

27
Q

buffy coat

A

concentration of all wbcs and platelets in a sample of blood

28
Q

hemostasis

A
  • after a blood vessel is damaged, we have a vascular spasm, where blood vessels constrict to reduce blood loss
  • platelets plug formation occurs where platelets clump up and create a seal
  • in blood coagulation, a mesh forms around the plug and secure plug to the site, thus making the rbcs and platelets are trapped at the site creating a clot
29
Q

Blood type A

A

-a antigens, b antibodies

30
Q

Blood type B

A

-b antigens, a antibodies

31
Q

AB

A

ab antigens, no antibodies

TEAS (16 decks)

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