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Exam Review

Key Facts: CWS Exam

150

Total Questions

3-hour exam

27.2%

Largest Domain

Assessment & Diagnosis

3 years

Min. Experience

ABWM eligibility

$595

Exam Fee

ABWM 2026

10 years

Certification Valid

ABWM recert cycle

Blueprint Domains

ABWM test blueprint

The CWS exam has 150 questions over 3 hours. Content covers wound care across 5 domains, led by Assessment and Diagnosis (27.2%). Eligibility requires a professional license plus 3 years wound care experience. The $595 exam is administered at ABWM-approved testing centers. Certification is valid for 10 years.

Sample CWS Practice Questions

Try these sample questions to review concepts for the CWS exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 186+ question experience with AI tutoring.

1During which phase of wound healing do fibroblasts migrate into the wound bed and begin collagen synthesis?

A.Hemostasis

B.Inflammatory

C.Proliferative

D.Maturation

Explanation: Fibroblasts migrate into the wound during the proliferative phase (days 4–21), synthesizing collagen (initially type III, later type I) and forming granulation tissue. Hemostasis achieves clot formation; inflammation involves neutrophil/macrophage debridement; maturation involves collagen remodeling.

2Which cell type is the predominant infiltrate in the wound during the first 24–48 hours after injury?

A.Macrophages

B.Neutrophils

C.Fibroblasts

D.Mast cells

Explanation: Neutrophils are first responders (peak 24–48 h), phagocytizing bacteria and debris. Macrophages replace them at 48–72 h, orchestrating growth factor release. Fibroblasts arrive in proliferation; mast cells facilitate early vascular permeability.

3The maturation/remodeling phase of wound healing can last up to how long after initial injury?

A.3 months

B.6 months

C.1 year

D.2 years

Explanation: Remodeling begins around day 21 and can persist up to 2 years. Type III collagen is progressively replaced by stronger type I collagen, cross-links form, and tensile strength increases to approximately 80% of unwounded tissue.

4In the TIME framework for wound bed preparation, what does the 'I' represent?

A.Infection only

B.Inflammation/Infection

C.Injury depth

D.Ischemia

Explanation: TIME stands for Tissue (non-viable), Infection/Inflammation, Moisture imbalance, and Edge (non-advancing). The 'I' addresses both critical colonization and overt infection, as well as prolonged inflammatory states that impair healing.

5The 'E' in the TIME framework refers to wound edges that are non-advancing or undermined. Which edge finding most suggests epithelial senescence?

A.Rolled (epiboly) edges

B.Hyperkeratotic edges

C.Erythematous edges

D.Macerated edges

Explanation: Rolled or epibolic edges indicate epithelial cells have stopped migrating inward, a hallmark of cellular senescence in chronic wounds. Hyperkeratotic edges occur in venous ulcers; erythema suggests infection; maceration indicates excess moisture.

6A wound presents with yellow slough covering 40% of the base, moderate exudate, and no signs of infection. Which TIME component is primarily being addressed by debridement here?

A.T — non-viable tissue

B.I — infection/inflammation

C.M — moisture imbalance

D.E — edge advancement

Explanation: Yellow slough is devitalized tissue (the 'T' in TIME). Removing it reduces bacterial load and exposes viable wound bed. The 'I' targets active infection; 'M' addresses exudate or desiccation; 'E' targets non-migrating epithelium.

7A stage 2 pressure injury is best described as:

A.Intact skin with non-blanchable erythema

B.Partial-thickness loss of dermis with a pink/red moist wound bed

C.Full-thickness tissue loss with visible fat

D.Full-thickness tissue loss with exposed bone, tendon, or muscle

Explanation: NPIAP Stage 2 involves partial-thickness skin loss exposing the dermis; the wound bed is viable, pink/red, moist — may present as intact or ruptured blister. Stage 1 = non-blanchable erythema; Stage 3 = full-thickness with visible fat; Stage 4 = exposed bone/tendon.

8An unstageable pressure injury is characterized by:

A.Non-blanchable intact skin over bony prominence

B.Full-thickness tissue loss obscured by slough or eschar

C.Deep tissue damage with purple discoloration of intact skin

D.Partial-thickness skin loss with serosanguineous exudate

Explanation: Unstageable PI involves full-thickness skin and tissue loss where slough or stable eschar covers the wound base, preventing accurate staging. DTPI = persistent non-blanchable deep red/maroon/purple intact or non-intact skin. Stage 1 = non-blanchable erythema on intact skin.

9Deep Tissue Pressure Injury (DTPI) initially presents as:

A.Stage 3 with undermining

B.Persistent non-blanchable deep red, maroon, or purple intact or non-intact skin

C.Exposed muscle with slough

D.Eschar covering full-thickness loss

Explanation: DTPI results from intense/prolonged pressure and shear at the muscle-bone interface. It presents with persistent non-blanchable deep red, maroon, or purple skin, or epidermal separation revealing dark wound bed. It can evolve rapidly to expose deeper tissue layers.

10The Braden Scale assesses pressure injury risk across six subscales. Which subscale specifically evaluates the patient's ability to respond meaningfully to pressure-related discomfort?

A.Mobility

B.Activity

C.Sensory perception

D.Friction and shear

Explanation: Sensory perception scores ability to respond to pressure-related discomfort (1=completely limited to 4=no impairment). Mobility assesses ability to change position; activity = degree of physical activity; friction/shear addresses skin forces during repositioning.

About the CWS Exam

The CWS (Certified Wound Specialist) is ABWM's flagship credential for licensed wound care clinicians with 3+ years of experience. The 150-item computer-based exam covers five domains: Assessment and Diagnosis (27.2%), Patient Management (24%), Etiological Considerations (20.8%), Wound Healing Environment (18.4%), and Professional Issues (9.6%). Topics include NPIAP pressure injury staging, TIME wound bed preparation, CEAP venous classification, ABI interpretation, Wagner/IDSA diabetic foot grading, burn assessment (Parkland formula, Lund-Browder), debridement methods, NPWT, compression therapy, biofilm (NERDS/STONEES), and HBOT indications.

Exam sponsor: American Board of Wound Management (ABWM) — NCCA accredited. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

150 questions

Time Limit

3 hours

Passing Score

Scaled score (ABWM standard-setting)

Exam / Certification Fees

$595

Exam sponsor website

Reported exam pass rate: Not publicly disclosed. ABWM does not publish pass rate statistics Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

27.2%

Assessment and Diagnosis

Wound measurement, classification systems (NPIAP, Wagner, CEAP, IDSA), TIME framework, ABI, TcPO₂, Braden scale, monofilament testing, wound culture (Levine technique), PUSH tool, and differential diagnosis

24%

Patient Management

Debridement selection (sharp, enzymatic, autolytic, biological, mechanical), dressing selection by exudate/wound type, NPWT, compression therapy (4-layer, short-stretch), off-loading (TCC), nutrition, pain management, HBOT, PRP, electrical stimulation

20.8%

Etiological Considerations

Pressure injuries (NPIAP stages 1–4, DTPI, unstageable, support surfaces), venous ulcers (CEAP, compression), arterial ulcers (PAD, claudication, critical ischemia), diabetic foot (Wagner, TCC, osteomyelitis), burns (Rule of Nines, Lund-Browder, Parkland, depth classification), surgical wounds, fistulas, lymphedema, MASD/IAD

18.4%

Wound Healing Environment

Phases of healing (hemostasis, inflammation, proliferation, maturation), growth factors, biofilm biology (NERDS/STONEES), wound bed preparation, collagen biology, scar types (keloid vs. hypertrophic), systemic healing barriers (malnutrition, DM, immunosuppression, vascular disease)

9.6%

Professional Issues

ABWM certification requirements and recertification, documentation for Medicare/Medicaid reimbursement, ethical principles (beneficence, non-maleficence, autonomy, justice), interprofessional wound care team, quality improvement, evidence-based practice

Preparing for the CWS Exam

What You Need to Know

Passing score: Scaled score (ABWM standard-setting)
Exam length: 150 questions
Time limit: 3 hours
Exam / certification fees: $595 Official sources

Using Our Practice Resources

Work through all 186 available questions
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CWS: Suggested Study Strategy

1Memorize all NPIAP pressure injury stages including DTPI and Unstageable — expect multiple staging questions

2Know the TIME framework components and the clinical action for each element

3Master ABI cutoffs: normal (0.9–1.3), mild (0.7–0.89), moderate-severe (<0.5–0.69), critical (<0.4), non-compressible (>1.3)

4Know compression contraindications: full compression contraindicated when ABI <0.5

5Understand CEAP C0–C6 venous classification stages including healed (C5) vs. active (C6) ulcer

6Learn Wagner Grades 0–5 and IDSA diabetic foot infection grades 1–4

7Know Parkland formula: 4 mL × kg × %TBSA in lactated Ringer's over 24 hours (half in first 8 hours)

8Distinguish NERDS (surface/critical colonization) from STONEES (deep/surrounding infection) criteria

9Know debridement method selection: collagenase is inactivated by silver; autolytic needs occlusive dressing; biological uses Lucilia sericata larvae

10Review HBOT indications: Wagner Grade 3–4 diabetic foot ulcers that fail standard care

Frequently Asked Questions

What is the CWS exam?

The CWS (Certified Wound Specialist) is the flagship certification from the American Board of Wound Management (ABWM), validating advanced clinical knowledge across wound assessment, management, etiology, and wound healing science. It is accredited by the National Commission for Certifying Agencies (NCCA).

What are the CWS eligibility requirements?

To sit for the CWS exam you must: (1) hold a current unrestricted professional license in at least one state (RN, NP, PT, OT, MD, DPM, PA, PharmD, RD, or DVM), and (2) have a minimum of 3 years of clinical wound care experience. A CWS Candidate pathway is available for licensed professionals with less than 3 years experience.

How many questions are on the CWS exam?

The CWS exam contains 150 multiple-choice questions delivered over approximately 3 hours as a computer-based examination.

What does the CWS exam cover?

The CWS exam covers five domains: Assessment and Diagnosis (27.2%), Patient Management (24%), Etiological Considerations (20.8%), Wound Healing Environment (18.4%), and Professional Issues (9.6%). Key topics include NPIAP pressure injury staging, TIME wound bed preparation, venous/arterial/diabetic foot ulcers, burns, debridement, dressings, compression, NPWT, and biofilm management.

How much does the CWS exam cost?

The ABWM CWS initial exam application fee is $595. The retake re-application fee is $275 per subsequent attempt.

How long is CWS certification valid?

CWS certification is valid for 10 years. Recertification requires meeting ABWM continuing education and professional activity requirements before the 10-year expiration.

How should I prepare for the CWS exam?

Focus on the five blueprint domains, prioritizing Assessment and Diagnosis (27.2%) and Patient Management (24%). Master NPIAP pressure injury staging and prevention, TIME wound bed preparation, ABI interpretation, compression therapy indications/contraindications, debridement methods, NPWT, diabetic foot (Wagner grading, IDSA infection classification), burn depth and Parkland formula, and biofilm (NERDS/STONEES criteria).