Wound Care Certification Exam Wound Care Certification Wound Bed Preparation Techniques 3

Question 1

Which pH range is considered optimal for wound healing and proteolytic enzyme activity in a healing wound bed?

Accepted Answer

pH 5.5–6.5

Answer

pH 3.0–4.5

Answer

pH 7.0–8.0

Answer

pH 8.5–9.5

Question 2

A diabetic foot ulcer has a yellow fibrinous slough covering 80% of the wound bed. Which debridement method is SAFEST in a patient with peripheral arterial disease (ABI 0.5)?

Accepted Answer

Autolytic debridement with hydrogel

Answer

Sharp debridement at bedside

Answer

Pulsed lavage

Answer

Surgical debridement in the OR

Question 3

What is the PRIMARY purpose of wound irrigation during wound bed preparation?

Accepted Answer

To remove surface bacteria, debris, and loose necrotic tissue

Answer

To introduce antimicrobial agents deep into the tissue

Answer

To stimulate granulation tissue proliferation

Answer

To re-epithelialize the wound edges

Question 4

A chronic venous leg ulcer has copious exudate. Which dressing is MOST appropriate to manage excess moisture while maintaining a moist healing environment?

Accepted Answer

Foam dressing with high absorbency

Answer

Hydrocolloid dressing

Answer

Hydrogel sheet

Answer

Transparent film dressing

Question 5

Which enzyme is the PRIMARY target of collagenase-based enzymatic debriding agents used in wound care?

Accepted Answer

Type I and Type II collagen in necrotic tissue

Answer

Elastase

Answer

Fibrinolysin

Answer

Matrix metalloproteinase-9

Question 6

In the TIME framework, 'E' (edge of wound) non-advancement can be caused by all of the following EXCEPT:

Accepted Answer

Excessive granulation tissue in the wound center

Answer

Senescent fibroblasts at wound margins

Answer

Hyperkeratosis of wound edges

Answer

Epibole (rolled wound edges)

Question 7

A clinician is assessing a wound for the presence of biofilm. Which clinical finding is MOST suggestive of biofilm presence?

Accepted Answer

Wound that stalls despite optimal standard of care

Answer

Wound with acute erythema and purulent exudate

Answer

Wound with excessive granulation tissue

Answer

Wound with serosanguineous drainage