An 88-year-old resident develops a flap wound on the dorsal forearm after staff grasp the arm during a transfer. Which age-related change is the PRIMARY structural reason this injury occurred?

Flattening of the dermal–epidermal junction with loss of rete ridges

Reduced number of melanocytes within the stratum basale

Loss of subcutaneous fat over bony prominences of the pelvis

Increased thickness of the stratum corneum over the extremities

On removal of a hydrocolloid dressing, a strong odor and yellow-tan gel are noted over a Stage 3 pressure injury. Which action BEST determines whether the wound itself is malodorous?

Cleanse the wound, then reassess odor

Obtain a swab culture of the gel now

A culture is ordered for a chronic leg ulcer with increasing pain and friable granulation. Which technique yields the MOST reliable swab culture?

Cleanse with saline; rotate over 1 cm² of viable tissue for 5 seconds

Cleanse with povidone-iodine, then rotate the swab along the wound edge

Swab the pooled purulent drainage using a 10-point zigzag pattern first

Swab the adherent slough before cleansing to capture surface organisms

One week after sharp debridement removed adherent slough and opened undermined edges on an ischial wound, the measured area increased from 8 cm² to 11 cm². The wound bed is now 90% red granulation with no odor or new pain. What is the MOST appropriate action?

Document debridement as the reason for the larger area; continue the plan

Report the wound as deteriorating and request an order for a tissue culture

Classify the wound as non-healable and revise the goal to maintenance

Change to an antimicrobial dressing because the wound failed to improve

A hospital introduces a new negative pressure wound therapy device and asks the wound clinician to validate staff competency. Which approach is MOST appropriate?

Skills lab stations with observed return demonstration

Signed attestation that staff read the manufacturer's instructions

E-learning module with a post-test score of at least 80% to pass

Poster at each nurses' station showing the application steps

Nursing staff wash an incontinent resident's perineum several times daily with bar soap and water. Which change explains why this practice increases the risk of skin breakdown?

Alkaline soap raises skin pH and disrupts the acid mantle and barrier lipids

Frequent washing thickens the stratum corneum, which reduces tissue tolerance

Soap increases sebum production, which traps moisture beneath the corneum

Bar soap lowers skin pH, which promotes the overgrowth of resident skin flora

On postoperative day 6, a patient's midline abdominal incision suddenly soaks the dressing with a large volume of thin, salmon-colored serosanguineous fluid after a bout of coughing. What does this finding MOST likely indicate?

Impending fascial dehiscence needing prompt provider notification

A small seroma that will reabsorb without any further intervention

Superficial candidal infection developing along the incision line

Normal inflammatory drainage expected during the first postoperative week

A diabetic foot ulcer has purulent drainage and erythema extending 3 cm beyond the wound margin. The patient is afebrile with a normal heart rate, respiratory rate and WBC count. Using the IWGDF/IDSA classification, how is this infection graded?

Uninfected wound (grade 1) with colonization

A chart review shows that a stalled sacral wound received four different primary dressings over 3 weeks, each changed after a few days with no documented rationale. What is the MOST significant problem with this approach?

The effect of any single treatment cannot be evaluated

Multiple dressing types overload the wound with moisture

Frequent changes raise supply costs above the facility budget

Each product change resets the wound to the hemostatic phase

Three months after a new skin tear protocol was approved, audits show low adherence. Staff report that the silicone-based tapes and tubular sleeves it requires are rarely stocked on the units. What is the MOST effective next step?

Stock the required products on every unit at set par levels

Repeat the e-learning module and require all staff to complete it

Discipline the staff members identified as nonadherent in the audit

Withdraw the protocol and return to the previous practice standard

WCC – Wound Care Certified

Free WCC Practice Questions

10 sample questions for the WCC – Wound Care Certified, with the correct answer and an explanation for each. No account needed. Try each one before you open the answer.

Sections covered on the exam: Assessment, Risk and Prevention, Treatment, Re-Evaluation, Education, Administration, Legal, Ethics.

Question 1 · Assessment
An 88-year-old resident develops a flap wound on the dorsal forearm after staff grasp the arm during a transfer. Which age-related change is the PRIMARY structural reason this injury occurred?
- A.Reduced number of melanocytes within the stratum basale
- B.Loss of subcutaneous fat over bony prominences of the pelvis
- C.Flattening of the dermal–epidermal junction with loss of rete ridges
- D.Increased thickness of the stratum corneum over the extremities
Show answer and explanation
Answer: C. Flattening of the dermal–epidermal junction with loss of rete ridges
Flattening of the dermal–epidermal junction reduces the interlocking surface between epidermis and dermis, so minimal shear or friction separates the layers and produces a skin tear. Loss of subcutaneous fat raises pressure injury risk over bony prominences but does not explain a forearm flap, and reduced melanocytes affect pigmentation and sun sensitivity rather than layer cohesion.
Question 2 · Assessment
On removal of a hydrocolloid dressing, a strong odor and yellow-tan gel are noted over a Stage 3 pressure injury. Which action BEST determines whether the wound itself is malodorous?
- A.Switch to a charcoal dressing
- B.Document malodor as infection
- C.Obtain a swab culture of the gel now
- D.Cleanse the wound, then reassess odor
Show answer and explanation
Answer: D. Cleanse the wound, then reassess odor
Hydrocolloids produce a characteristic odor and a yellowish gel that can mimic purulence, so odor is assessed only after the wound is cleansed. Culturing the gel or documenting infection before cleansing leads to misinterpretation, and adding an odor-control dressing does not answer the assessment question.
Question 3 · Treatment
A culture is ordered for a chronic leg ulcer with increasing pain and friable granulation. Which technique yields the MOST reliable swab culture?
- A.Cleanse with povidone-iodine, then rotate the swab along the wound edge
- B.Swab the pooled purulent drainage using a 10-point zigzag pattern first
- C.Swab the adherent slough before cleansing to capture surface organisms
- D.Cleanse with saline; rotate over 1 cm² of viable tissue for 5 seconds
Show answer and explanation
Answer: D. Cleanse with saline; rotate over 1 cm² of viable tissue for 5 seconds
The Levine technique cleanses with a nonantiseptic solution, removes nonviable tissue, and rotates the swab over 1 cm² of viable tissue with pressure to express fluid for 5 seconds. Swabbing pus, slough, or the wound edge samples surface contaminants, and an antiseptic before culture kills organisms and produces a falsely negative result.
Question 4 · Re-Evaluation
One week after sharp debridement removed adherent slough and opened undermined edges on an ischial wound, the measured area increased from 8 cm² to 11 cm². The wound bed is now 90% red granulation with no odor or new pain. What is the MOST appropriate action?
- A.Report the wound as deteriorating and request an order for a tissue culture
- B.Classify the wound as non-healable and revise the goal to maintenance
- C.Change to an antimicrobial dressing because the wound failed to improve
- D.Document debridement as the reason for the larger area; continue the plan
Show answer and explanation
Answer: D. Document debridement as the reason for the larger area; continue the plan
Wound area can temporarily increase after debridement of nonviable tissue or opening of undermined edges; the reason is documented, and the healthy granulating bed indicates progress. Enlargement without such an explanation would prompt reassessment for infection, pressure or ischemia, but here there are no signs of infection to justify a culture or an antimicrobial.
Question 5 · Administration
A hospital introduces a new negative pressure wound therapy device and asks the wound clinician to validate staff competency. Which approach is MOST appropriate?
- A.Skills lab stations with observed return demonstration
- B.Signed attestation that staff read the manufacturer's instructions
- C.E-learning module with a post-test score of at least 80% to pass
- D.Poster at each nurses' station showing the application steps
Show answer and explanation
Answer: A. Skills lab stations with observed return demonstration
Competency is demonstrated ability to perform a skill to a defined standard, and psychomotor skills such as applying NPWT require observed return demonstration. E-learning and post-tests validate knowledge only, posters are point-of-care reminders, and a signed attestation does not demonstrate performance.
Question 6 · Assessment
Nursing staff wash an incontinent resident's perineum several times daily with bar soap and water. Which change explains why this practice increases the risk of skin breakdown?
- A.Frequent washing thickens the stratum corneum, which reduces tissue tolerance
- B.Soap increases sebum production, which traps moisture beneath the corneum
- C.Bar soap lowers skin pH, which promotes the overgrowth of resident skin flora
- D.Alkaline soap raises skin pH and disrupts the acid mantle and barrier lipids
Show answer and explanation
Answer: D. Alkaline soap raises skin pH and disrupts the acid mantle and barrier lipids
Normal skin pH is acidic, about 4–6; alkaline soaps, along with urine and stool, raise pH, impair the enzymes that maintain barrier lipids, and weaken the stratum corneum. Soap does not lower pH or stimulate sebum, which is why pH-balanced no-rinse cleansers are preferred.
Question 7 · Assessment
On postoperative day 6, a patient's midline abdominal incision suddenly soaks the dressing with a large volume of thin, salmon-colored serosanguineous fluid after a bout of coughing. What does this finding MOST likely indicate?
- A.Impending fascial dehiscence needing prompt provider notification
- B.A small seroma that will reabsorb without any further intervention
- C.Superficial candidal infection developing along the incision line
- D.Normal inflammatory drainage expected during the first postoperative week
Show answer and explanation
Answer: A. Impending fascial dehiscence needing prompt provider notification
A sudden increase in serosanguineous drainage from a closed abdominal incision, often after coughing or straining in the first 1–2 weeks, is a classic warning sign of fascial dehiscence and possible evisceration, so the provider is notified at once. Normal incisional drainage is scant and decreases after the first days, a seroma does not usually produce a sudden profuse leak with straining, and candidal infection causes a satellite rash rather than profuse drainage.
Question 8 · Treatment
A diabetic foot ulcer has purulent drainage and erythema extending 3 cm beyond the wound margin. The patient is afebrile with a normal heart rate, respiratory rate and WBC count. Using the IWGDF/IDSA classification, how is this infection graded?
- A.Uninfected wound (grade 1) with colonization
- B.Moderate infection (grade 3)
- C.Mild infection (grade 2)
- D.Severe infection (grade 4)
Show answer and explanation
Answer: B. Moderate infection (grade 3)
In the IWGDF/IDSA system, local infection with erythema extending more than 2 cm from the wound margin, or involving structures deeper than skin and subcutaneous tissue, without systemic inflammatory signs is moderate (grade 3). Mild infection has erythema of more than 0.5 cm up to 2 cm, severe infection requires systemic inflammatory response signs, and purulence rules out an uninfected classification.
Question 9 · Re-Evaluation
A chart review shows that a stalled sacral wound received four different primary dressings over 3 weeks, each changed after a few days with no documented rationale. What is the MOST significant problem with this approach?
- A.Multiple dressing types overload the wound with moisture
- B.The effect of any single treatment cannot be evaluated
- C.Frequent changes raise supply costs above the facility budget
- D.Each product change resets the wound to the hemostatic phase
Show answer and explanation
Answer: B. The effect of any single treatment cannot be evaluated
Changes in the plan should be deliberate and documented; rotating products without a clear reason makes it impossible to judge whether any treatment is effective. A product is continued long enough, with consistent measurement, to evaluate its effect. Cost matters but is not the key clinical problem, and changing products does not restart the healing phases.
Question 10 · Administration
Three months after a new skin tear protocol was approved, audits show low adherence. Staff report that the silicone-based tapes and tubular sleeves it requires are rarely stocked on the units. What is the MOST effective next step?
- A.Repeat the e-learning module and require all staff to complete it
- B.Stock the required products on every unit at set par levels
- C.Discipline the staff members identified as nonadherent in the audit
- D.Withdraw the protocol and return to the previous practice standard
Show answer and explanation
Answer: B. Stock the required products on every unit at set par levels
Protocol implementation depends on removing practical barriers, such as ensuring the required products are available where care is delivered. Repeating education does not fix a supply problem, discipline conflicts with a just culture approach to system failures, and abandoning an evidence-based protocol does not address the cause.

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