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Patho > Edema > Flashcards

Edema Flashcards

1
Q

______ isolates tissue that’s damaged and allows for it to heal in isolation

A

edema

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2
Q

lymph vessels run ______ to artery/veins

A

parallel

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3
Q

lymph vessels anchor to…

A

CT

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4
Q

collecting vessels of lymphatic system

A

venous system

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5
Q

2 primary lymphatic structures

A
  1. thymus

2. bone marrow

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6
Q

what generates lymphocytes?

A

thymus

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7
Q

5 secondary lymphatic structures

A
  1. nodes
  2. spleen
  3. adenoids
  4. skin
  5. tonsils
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8
Q

tertiary lymphatic structure

A

tissues that import between lymphocytes from blood and lymph

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9
Q

tertiary structures don’t kick in until…

A

foreign antigen is present and immune response turns on

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10
Q

purpose of lymphatic system:

pick up _________ and return to circulation

A

plasma proteins

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11
Q

purpose of lymphatic system:

_________ for fluid overload

A

safety valve

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12
Q

purpose of lymphatic system:

maintenance of _________ of EC environment

A

homeostasis

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13
Q

purpose of lymphatic system:

filters ___________ and prevents spread of infection

A

interstitial fluid

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14
Q

path of one way lymph flow

A 
lymph
lymph nodes
interstitial space
lymphatic capillaries
large collecting vessel
venous circulation
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15
Q

what drives this system?

A

heart

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16
Q

what % of body’s fluids are handled by lymph system

A

10%

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17
Q

edema vs lymphedema

A

edema: amt of fluid in IS space is greater than normal
lymphedema: accumulation in interstitium caused by destruction of lymph channels, nodes, vessels

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18
Q

3 effects of edema

A
  1. inc pressure on sensory system
  2. dec ROM
  3. dec venous flow (DVT)
19
Q

3 pressure gradients

A
  1. hydrostatic
  2. interstitial
  3. osmotic
20
Q

hydrostatic gradient goes from ____ –> _____

A

high to low pressure

21
Q

hydrostatic gradient influenced by (2)

A

BP and gravity

22
Q

hydrostatic gradient flow =

A

out of capillaries

23
Q

osmotic gradient goes from ____–> _______

A

low to high

24
Q

osmotic gradient flow =

A

into capillaries

25
Q

osmotic gradient driven by

A

balance of protein and sodium along with water

26
Q

interstitial gradient flow =

A

out of capillaries

27
Q

is it neg or pos in interstitial space?

A

negative

28
Q

interstitial gradient ______ –> _______

A

pos –> neg

cap –> IS

29
Q

edema creates what kind of charge in IS?

A

positive; thus disrupting flow

30
Q

hydrostatic is usually ____ osmotic

A

greater than

31
Q

what does the balance of hydrostatic/osmotic pressure result in?

A

dec fluid in IS and proper exit through veins

32
Q

the balance of interstitial fluid is dependent on what 3 things?

A
  1. permeability of cap membrane
  2. pressure gradients
  3. intact lymph systems
33
Q

exss = hydrostatic pressure _____

A

increase

34
Q

hydrostatic pressure increase =

A

inc arterial flow

35
Q

pressure in veins = _____ of venous return

A

blockage

36
Q

transudate vs exudate

A

transudate - stays within system

exudate -weeps

37
Q

stage I is _____, whereas stage II is _________

A

reversible, irreversible

38
Q

example of stage II

A

post mastectomy

39
Q

often a complication of stage III

A

cellulitis

40
Q

elephatiasis is stage ___

A

III

41
Q

described as a bilateral, symmetrical, flabby swelling of the legs that arises from deposition of adipose tissue starting at the hips and ending at the ankles, like riding breeches

A

lipedema

42
Q

edema caused by venous insufficiency

A

venous edema

43
Q

Lymphedema caused by an impaired lymph flow due to malignant tumor

A

malignant lymphedema

44
Q

edema caused by thyroid dysfunction

A

myxedema

Patho (17 decks)

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