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NUR 280 Exam 2 Questions and Correct Answer
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NUR 280 Exam 2 Questions and Correct Answer
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Elscores 8/19/2024 9:53:51 AMNUR 280 Exam 2 Questions and
Correct Answer
Wound healing is regulated by:
~: 1. Chemokines
2. Cytokines
3. Growth factor
4. Proteases
What are the four phases of wound healing?
~: 1. Hemostasis
2. Inflammation
3. Proliferation
4. Remodeling
During Phase 1 (hemostasis):
~: Clotting and growth factors are released
During Phase 2 (inflammation):
~: Vasodilatation, increased perfusion and capillary permeability (causes redness), chemotaxis
and cellular activity (neutrophils attack bacteria, platelets to wound site, macrophages eat debris)
During Phase 3 (proliferation)
~: Vascular tissue restored and granulation tissue fills deficit; fibroblasts make new collagen;
high O2 demand
During Phase 4 (remodeling):
, Elscores 8/19/2024 9:53:51 AM
~: Collagen fibers strengthen; can last 2 years; only ever reach 80% of original strength
Trauma
~: Injury/wound
Venous hypertension
~: Leaky valves allow buildup of pressure in veins
Lymphedema
~: Swelling of extremity due to obstructed lymph channel, nonpitting
Vasculitis
~: An inflammation of the blood vessels that causes changes in the blood vessel walls
Malignant
~: Spreads
Surgical dehiscence
~: Wound ruptures open along incision
Arterial insufficiency
~: Slow or stop of blood flow through the arteries
Pressure ulcers occur on:
, Elscores 8/19/2024 9:53:51 AM
~: Bony areas due to pressure, friction, or shear
Arterial ulcer
~: A wound that won't heal due to decreased blood flow
Claudication
~: Limping
Wet gangrene
~: Tissue necrosis associated with infection requires emergent debridement and drainage,
followed by revascularization
Dry gangrene
~: Necrosis not invasive; doesn't produce sepsis unless infected; revascularization performed
first before amputating
Dual venous system
~: Superficial saphrenous system and deep venous system
Venous ulcers caused by:
~: Failure of calf muscle to pump or valve incompetence
Venous Leg Ulcer
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