Wound Care Certification Exam Wound Care Certification Wound Bed Preparation Techniques 4

Question 1

Which concentration of normal saline is recommended for wound irrigation per WOCN and AHRQ guidelines?

Accepted Answer

0.9% saline (normal saline)

Answer

0.25% saline

Answer

3% hypertonic saline

Answer

0.5% Dakin's solution

Question 2

Periwound maceration is MOST likely caused by which of the following?

Accepted Answer

Inadequate moisture balance with excessive exudate pooling on intact skin

Answer

Use of a hydrogel on a dry wound

Answer

Application of zinc oxide barrier cream

Answer

Insufficient dressing change frequency

Question 3

A wound care specialist selects larval (maggot) debridement therapy for a patient. What is a CONTRAINDICATION to this therapy?

Accepted Answer

Wounds communicating with body cavities or organs

Answer

Chronic venous ulcer with slough

Answer

Diabetic foot ulcer with necrotic tissue

Answer

Pressure injury with fibrinous slough

Question 4

Which statement about hypochlorous acid (HOCl) solutions used in wound bed preparation is MOST accurate?

Accepted Answer

HOCl at appropriate concentrations is bactericidal and biocompatible with healing tissue

Answer

HOCl is cytotoxic to fibroblasts at all concentrations

Answer

HOCl should only be used for acute traumatic wounds

Answer

HOCl is equivalent in toxicity to full-strength Dakin's solution

Question 5

When assessing wound bed tissue types, which color is associated with non-viable, dry necrotic tissue (eschar)?

Accepted Answer

Black

Answer

Red

Answer

Yellow

Answer

Pink

Question 6

A patient has a Stage 4 pressure injury with undermining and tunneling. How should wound measurements be documented for tunneling?

Accepted Answer

Measured using a cotton-tipped applicator and clock-face orientation in centimeters

Answer

Measured with a ruler at the widest visible point

Answer

Estimated by depth probing only

Answer

Photographed without measurement

Question 7

Excess matrix metalloproteinases (MMPs) in a chronic wound primarily impair healing by:

Accepted Answer

Degrading growth factors and extracellular matrix components needed for repair

Answer

Increasing angiogenesis beyond normal levels

Answer

Promoting excessive collagen deposition

Answer

Stimulating epidermal migration