CWCA CWCA Advanced Wound Therapies 2

Question 1

Ultrasonic debridement (low-frequency ultrasound) is beneficial in chronic wound care because it:

Accepted Answer

Disrupts biofilm and stimulates healing without damaging viable tissue

Answer

Low-frequency ultrasound uses cavitation and acoustic streaming to disrupt biofilm and enhance cellular activity while preserving viable granulation tissue.

Question 2

Collagen-based wound dressings support healing by:

Accepted Answer

Providing a scaffold that attracts fibroblasts and supports tissue regeneration

Answer

Collagen dressings provide a biocompatible matrix that promotes fibroblast migration, collagen synthesis, and organized tissue regeneration.

Question 3

Growth factor therapy in wound care, such as becaplermin (Regranex), is primarily indicated for:

Accepted Answer

Diabetic neuropathic foot ulcers not responding to standard care

Answer

Becaplermin (PDGF) is FDA-approved specifically for chronic diabetic neuropathic ulcers that have adequate blood supply but are not healing with standard therapy.

Question 4

Maggot debridement therapy (MDT) is most effective for wounds with:

Accepted Answer

Slough and necrotic tissue in a chronic wound

Answer

Medicinal larvae selectively digest necrotic and sloughy tissue while secreting antimicrobial compounds, making MDT effective for chronic wounds with devitalized tissue.

Question 5

Platelet-Rich Plasma (PRP) therapy promotes wound healing by:

Accepted Answer

Concentrating growth factors from the patient's own blood to stimulate tissue repair

Answer

PRP concentrates PDGF, TGF-β, VEGF, and other autologous growth factors that activate fibroblasts, endothelial cells, and keratinocytes to accelerate healing.

CWCA - Certified Wound Care Associate Practice Test

CWCA - Certified Wound Care Associate Practice Test

CWCA CWCA Advanced Wound Therapies 2