chapter 38 Flashcards

1
Q

What are the ways that wounds can occur?

A

trauma
burns
surgery
pressure

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2
Q

Tissue injury without breaking skin

A

Contusion (bruise)-

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3
Q

Tissue injury that damages a blood vessel, pooling of blood under unbroken skin

A

Hematoma

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4
Q

Wrenching or twisting of a joint with partial rupture of its ligaments.

Causes swelling

A

Sprain

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5
Q

type of closed wound

A

contusion
hematoma
sprain

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6
Q

Surgically made separation of tissue with clean, smooth edges

A

Incision

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7
Q

Traumatic separation of tissues with irregular, torn edges

A

Laceration

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8
Q

Traumatic scraping away of surface layers of skin

A

Abrasion

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9
Q

Wound made by sharp, pointed object through skin or mucous membranes and underlying tissue

A

Puncture

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10
Q

Variable-size open wound through skin and underlying tissues made by bullet or metal or wood fragment

A

Penetrating

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11
Q

Tearing away of structure or a part, such as a fingertip, accidentally or surgically

A

Avulsion

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12
Q

Excavation of skin and/or underlying tissue from injury or necrosis

A

Ulceration

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13
Q

Death or injury to cells

A

Necrosis

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14
Q

open wound

A

Incision

Laceration

Abrasion

Puncture

Penetrating

Avulsion

Ulceration

Necrosis

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15
Q

Superficial

wounds heal more quickly

new skin cells are produced by the epithelial cells that remain in dermal layer of skin

A

partial thickness wound

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16
Q

dermal layer no longer present

granulation tissue fills in defect

wound heals by contraction

A

full thickness

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17
Q

internal organ or body cavity tissue opened, usually because of infection or penetrating wound

A

perforation

18
Q

tissue significantly disrupted or compressed because of high level of force being applied

A

crush

19
Q

the phases of wound healing are

A

inflammation

proliferation

maturation

20
Q

is a localized protective response brought on by injury or destruction of tissues

A

inflammation

21
Q

Phase begins IMMEDIATELY AFTER INJURY

last approximately 3 or 4 days

A

inflammation

22
Q

it includes constriction of blood vessel

platelet aggregation

and formation of fibrin

A

inflammation

23
Q

hemostasis occurs in what phase

A

inflammation

24
Q

blood clotting or vessel compression and clot formation

A

hemostasis

25
Q

s/s of inflammatory process

A

swelling or edema

erythema-redness
= increased blood supply

increased temp

pain

loss of function resulting from all these changing

26
Q

-Begins on the third or fourth day after injury and last 2 to 3 weeks

A

proliferation

27
Q

Wound is filled with new connective tissue, and epithelium that covers the wound

A

proliferation

28
Q

-Macrophages (phagocytic monocytes) clean wound of debris, stimulating fibroblasts, which synthesize collagen

A

proliferation

29
Q

fibrous structure protein of all connective tissue

is the main ingredient of scar tissue

A

collagen

30
Q

New capillary networks provide oxygen & nutrients to support collagen, further synthesis of granulation tissue

A

proliferation

31
Q

Scarring influenced by degree of stress on wound

A

proliferation

32
Q

-Begins 3 weeks after injury

A

Maturation

33
Q

Scar maturation or remodeling, is process of collagen lysis and synthesis by macrophages to produce strongest possible scar tissue

A

maturation

34
Q

-Scar tissue slowly thins and becomes paler in color. Scar becomes firm and inelastic by the end.

A

maturation

35
Q

the length of this phase depends on the type if injury and whether the wound heals by first, second or third intention

A

wound healing

36
Q

when a wound occurs around the joint, the attention is to

A

maintain joint mobility and prevent a contracture

37
Q

abnormal shortening of muscle tissue

A

contracture

38
Q

if collagen overgrowth occurs which happens frequently in dark-pigmented people what develops

A

keloid

39
Q

permanent raised enlarged scar

A

keloid

40
Q

Please describe why we feel pain at the wound site

A

Pressure on nerve receptors