Ch 14 - blood vessels Flashcards

1
Q

women vs men heart rates

A
  • women have a faster heart rate
  • men 70-76
  • women 78-82
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2
Q
  • supplies blood to brain (posterior)
  • first branch of subclavian artery
A

verterbaral artery

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3
Q
  • large channel
  • drains blood that is low on oxygen
A

venous sinus

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4
Q

How does vaso constriction impact the blood vessel?

A

narrowing in the blood vessels decreases blood flow

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5
Q

purpose of valves in the veins

A
  • prevent backflow
  • allows blood to move to heart
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6
Q
  • drains upper part of body
  • goes into right atrium
  • union of right and left brachiocephalic plates
A

superior vena cava

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7
Q

azygous vein drains into where

A

into the superior vena cava and from there goes into the right atrium

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8
Q

Sphygmomanometer measures

A

blood pressure

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9
Q

what is special about the saphenous vein

A

longest vein in the body

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10
Q

what drains into the portal vein

A
  • gallbladder
  • spleen
  • digestive tract
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11
Q

portal system and its circulatory path

A

goes through hepatic veins to the liver then to heart

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12
Q

supplies blood to diaphragm

A

phrenic arteries

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13
Q

phren/o

A

diaphragm

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14
Q

pressure that draws blood back into capillaries

A

Osmotic pressure

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15
Q

lungs role in the blood circulation

A

oxygenating blood

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16
Q

jugular vein drains what artery

A

carotid artery

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17
Q

what drains into the inferior cava

A

area below diaphragm, femoral, iliac, hepatic, renal, gonadals

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18
Q

diastolic pressure

A
  • lowest pressure
  • after relaxation
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19
Q

coronary arteries supply which organ

A

heart

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20
Q

cavernous sinuses drain where

A

into internal jugular

21
Q

what is the formula for cardiac output

A

heart rate x stroke volume

22
Q

capillaries exchange…

A

waste and oxygen
- O2 and CO2

23
Q

arterioles

A

smaller arteries

24
Q

carries blood away from the heart

A

arteries

25
Q

communications between 2 vessels

A

anastomosis

26
Q

what is the lowest portion of the aorta

A

the abdominal aorta

27
Q

know how to take a pulse

A

can be sensed in superficial arteries

28
Q

route of a blood cell from left ventricle to diaphragm

A

up ascending aorta, across aortic arch, down thoracic aorta, to abdominal aorta

29
Q

diastolic pressure

A

heart is at rest

30
Q

systolic pressure

A

contraction of the heart

31
Q

what does blood pressure measure

A

force exerted by blood against vessel’s wall

32
Q

what impacts blood pressure

A
  • blood volume
  • blood viscosity
  • Arteriolar diameter
  • compliance
  • heart rate
  • stroke volume
  • elasticity of arterial wall
33
Q

pulse rate for newborn

A

90-170 bpm

34
Q

pulse rate for children

A

70-110 bpm

35
Q

pulse rate for women and men

A

60-100 bpm
women at the higher end and men at the lower end

36
Q

where can you accurately palpate a pulse

A
  • radial artery in wrist
  • carotid artery in the neck
  • brachial artery in upper arm
  • femoral artery in leg
37
Q

what structure helps keep blood from flowing backwards

A

heart valves

37
Q

the process for capillary exchange

A
  • diffusion
  • bulk flow
  • transcytosis
38
Q

the presence of albumin in capillary blood results…

A

in osmotic pressure drawing fluid into the capillary

39
Q

which blood vessels drain into the superior vena cava

A
  • head
  • neck
  • upper extremities
  • chest
40
Q

what forms the brachiocephalic vein

A

internal jugular and subclavian vein

41
Q

what artery becomes the femoral artery

A

iliac artery

42
Q

where does the aorta branch to an artery

A

systemic arteries

43
Q

what vessels supply the intestines

A

superior mesenteric artery and inferior mesenteric artery

44
Q

what artery supplies blood to the head

A
  • right common carotid artery
  • left common carotid artery
  • vertebral artery
45
Q

what vessels are in the pulmonary blood circulation

A
  • pulmonary capillaries
  • pulmonary veins
46
Q

what vessels have the thinnest walls

A

cappilaries

47
Q

the three distinct layers of a blood vessels

A
  • inner tunic (endothelium)
  • middle tunic (controls autonomic nervous system, smooth voluntary muscle)
  • outer tunic (supporting connective tissue)