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NUR 280 Exam 2 Study Guide with Complete Solutions
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NUR 280 Exam 2 Study Guide with Complete Solutions Wound healing is regulated by: - Answer-1. Chemokines 2. Cytokines 3. Growth factor 4. Proteases What are the four phases of wound healing? - Answer-1. Hemostasis 2. Inflammation 3. Proliferation 4. Remodeling During Phase 1 (hemostasis):...

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EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024




NUR 280 Exam 2 Study Guide with
Complete Solutions

Wound healing is regulated by: - Answer✔✔-1. Chemokines


2. Cytokines


3. Growth factor


4. Proteases


What are the four phases of wound healing? - Answer✔✔-1. Hemostasis


2. Inflammation


3. Proliferation


4. Remodeling


During Phase 1 (hemostasis): - Answer✔✔-Clotting and growth factors are released


During Phase 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)


During Phase 3 (proliferation) - Answer✔✔-Vascular tissue restored and granulation tissue fills deficit;

fibroblasts make new collagen; high O2 demand




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FIRST PUBLISH SEPTEMBER 2024


During Phase 4 (remodeling): - Answer✔✔-Collagen fibers strengthen; can last 2 years; only ever reach

80% of original strength


Trauma - Answer✔✔-Injury/wound


Venous hypertension - Answer✔✔-Leaky valves allow buildup of pressure in veins


Lymphedema - Answer✔✔-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


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, EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
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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✔✔-Lack 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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