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Exam (elaborations)

NUR 280 Exam 2 Questions And Accurate Answers

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  • Course
  • NUR 280
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  • NUR 280

NUR 280 Exam 2 Questions And Accurate Answers ...

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  • September 21, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NUR 280
  • NUR 280
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Easton
NUR 280 Exam 2 Questions And Accurate
Answers 2024-2025

Wound healing is mediated by: - Answer 1. Chemokines

2. Cytokines

3. Growth factor

4. Proteases



To what is the wound healing process divided? - Answer 1. Hemostasis

2. Inflammation

3. Proliferation

4. Remodeling



Stage 1 (hemostasis): - Answer Clotting and growth factors are released



Stage 2 (inflammation): - Answer Vasodilatation, increased perfusion and capillary
permeability (causes redness), chemotaxis and cellular activity (neutrophils attack
bacteria, platelets to wound site, macrophages eat debris)



Stage 3 (proliferation) - Vascular tissue restored and granulation tissue fills deficit;
fibroblasts make new collagen; high O2 demand



Stage 4 (remodeling): 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 - Answer An inflammation of the blood vessels that causes changes in the
blood vessel walls



Malignant - Answer Spreads



Surgical dehiscence - Answer Wound ruptures open along incision



Arterial insufficiency - Answer Slow or stop of blood flow through the arteries



Pressure ulcers occur on: - Answer Bony areas due to pressure, friction, or shear



Arterial ulcer - Answer A wound that won't heal due to decreased blood flow



Claudication - Answer Limping



Wet gangrene - Answer Tissue necrosis associated with infection requires emergent
debridement and drainage, followed by revascularization



Dry gangrene - Answer Necrosis not invasive; doesn't produce sepsis unless infected;
revascularization performed first before amputating



Dual venous system - Answer Superficial saphrenous system and deep venous system



Venous ulcers caused by: - Answer Failure of calf muscle to pump or valve
incompetence

, Venous Leg Ulcer - Answer Veins dilate and leak blood and serum into interstitial tissue;
ulcers always associated with edema



Sensory neuropathy - Answer Loss of sensation



Motor neuropathy - Answer Wasting of foot muscles; structural deformity



Autonomic neuropathy - Answer Loss of autonomic system function; Absence of sweat
and oil production leads to dry scaly skin and development of cracks and fissures



Necrotizing fasciitis - Answer Rapid spreading inflammation and necrosis of skin, subQ
fat and fascia



Fournier's Gangrene - Answer Type of necrotizing fasciitis or gangrene affecting the
external genitalia and/or perineum



What are the different types of necrotizing fasciitis? - Answer Type 1- Clostridium and
bactericides species

Type 2- Streptococcus A

Type 3- Vibrio infection



Superficial fungal infections - Answer Attack keratinized (dead) cells; inflammatory
reaction to toxins

*Ex: Ringworm, athletes foot



Deep fungal infections - Answer Attack living tissue; may attack other organs

*Ex: Candidiasis, sporotrichosis

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