katab 26 al-dam Flashcards

1
Q

Cardiovascular sys 3 parts:

A

Pump (heart)
Container (bl vessels)
Fluid (blood and body fluids)

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2
Q

largest artery in the body

A

aorta

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3
Q

smaller bl vessels that connect the arteries and capilleries

A

arterioles

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4
Q

waste product of cellular metabolism

A

carbon dioxide

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5
Q

autonomic nervous system adjusts blood flow based on bodys needs. in an emergency, this system redirects and focuses the blood to:

A

heart, brain, lungs, kidneys

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6
Q

circulation of blood within an organ/tissue to allow it to meet cells oxygen needs

A

perfusion

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7
Q

which organ requires constant perfusion or the cells in the brain and spinal cord start to die in 4-6 mins

A

heart

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8
Q

how long can lungs survive without perfusion

A

15-20 mins

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9
Q

kidneys are damaged after __ mins without perfusion

A

45 mins

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10
Q

what system is the heart part of

A

cardiovascular sys

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11
Q

what system is the brain part of

A

central nervous sys

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12
Q

what sys is the lungs part of

A

respiratory sys

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13
Q

what sys is the kidneys part of

A

renal system

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14
Q

average adult male contains how much blood

A

70 mL/kg of body weight

*175lb man has about 6L

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15
Q

average female contains how much blood

A

65 mL/kg of body weight

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16
Q

a body can’t handle more than this percentage of blood loss

A

20%, or more than 2 pints (1L)

17
Q

low blood volume results in inadequate perfusion

A

hypovolemic shock

18
Q

bl vessel narrowing

A

vasoconstriction

19
Q

when a persons body has problems with clotting, clotting disorders

A

hemophilia

20
Q

signs and symptoms of internal bleeding:

A

hematemesis (vomiting blood)
melena (black, bad smelling tarry stool)
pain/gaurding/swelling
broken ribs
bruises over chest
rigid, distended abdomen