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Exam Code: DNCB-DNC
Exam Name: DNCB Dermatology Nurse Certified (DNC)
Number of Questions: The DNC exam consists of 175 multiple-choice questions. Approximately 25 of these questions are unscored pretest items.
Time Limit: Candidates are typically given 4 hours to complete the exam.
Administration: The exam is computer-based and administered by C-NET at various testing locations.
Passing Score: A score of approximately 75% is generally required to pass.
Credential: Upon successful completion, candidates earn the credential "Dermatology Nurse Certified (DNC)."

I. Core Dermatology Nursing Practice

- Skin Anatomy and Physiology:
- Structure and function of the epidermis, dermis, subcutaneous tissue.
- Appendages: hair, nails, sebaceous glands, sweat glands.
- Skin functions (e.g., protection, thermoregulation, sensation, vitamin D synthesis).

- Skin Assessment:
- Comprehensive history taking (e.g., chief complaint, past medical history, social history, medications, allergies).
- Physical examination techniques (inspection, palpation, description of lesions).
- Documentation of skin findings.

- Pharmacology and Therapeutics in Dermatology:
- Topical medications (e.g., corticosteroids, antifungals, antibiotics, retinoids, emollients, calcineurin inhibitors).
- Systemic medications (e.g., oral antibiotics, antifungals, corticosteroids, immunosuppressants, biologics).
- Drug administration routes and patient education.
- Adverse effects and contraindications of common dermatologic drugs.

- Patient Education:
- Skin care regimens (e.g., sun protection, moisturization, wound care).
- Disease specific education (e.g., trigger avoidance, medication adherence).
- Lifestyle modifications for dermatological conditions.

- Epidermis, Dermis, Subcutaneous tissue, Keratinocytes, Melanocytes, Langerhans cells, Merkel cells, Collagen, Elastin.
- Macule, Papule, Nodule, Plaque, Vesicle, Bulla, Pustule, Wheal, Urticaria, Erosion, Ulcer, Fissure, Crust, Scale, Lichenification, Atrophy, Scar, Excoriation.
- Pruritus, Erythema, Edema, Induration, Purpura, Petechiae, Ecchymosis, Telangiectasia.
- Topical, Systemic, Ointment, Cream, Lotion, Gel, Solution, Foam, Powder, Suspension, Emollient, Humectant, Occlusive.
- Pharmacokinetics, Pharmacodynamics, Half-life, Bioavailability, Side effects, Adverse drug reactions.

II. Dermatological Conditions and Management

- Inflammatory Skin Conditions:
- Acne (vulgaris, rosacea): pathogenesis, clinical presentation, treatment.
- Eczema/Dermatitis (e.g., atopic, contact, seborrheic, stasis): causes, clinical features, management.
- Psoriasis (e.g., plaque, guttate, inverse, pustular, erythrodermic): types, pathophysiology, systemic associations, treatment modalities (topical, phototherapy, systemic, biologics).
- Urticaria and Angioedema: causes, acute vs. chronic, management.

- Infectious Skin Conditions:
- Bacterial (e.g., impetigo, cellulitis, folliculitis, erysipelas): causative agents, clinical signs, antibiotics.
- Fungal (e.g., tinea infections, candidiasis): types, diagnosis, antifungals.
- Viral (e.g., herpes simplex, herpes zoster, warts, molluscum contagiosum): presentation, antiviral therapy, other treatments.
- Parasitic (e.g., scabies, pediculosis): diagnosis, treatment.

- Pigmentary Disorders:
- Hyperpigmentation (e.g., melasma, post-inflammatory hyperpigmentation).
- Hypopigmentation (e.g., vitiligo, post-inflammatory hypopigmentation).

- Hair and Nail Disorders:
- Alopecia (e.g., androgenetic, alopecia areata, telogen effluvium).
- Nail dystrophies (e.g., onychomycosis, psoriasis of nails).
- Autoimmune and Connective Tissue Diseases with Skin Manifestations:
- Lupus erythematosus (cutaneous forms).
- Scleroderma.
- Dermatomyositis.
- Bullous diseases (e.g., pemphigus, bullous pemphigoid).

- Pediatric Dermatology:
- Common conditions in children (e.g., diaper rash, infantile eczema, birthmarks).
- Age-specific considerations for treatment and patient education.

- Geriatric Dermatology:
- Age-related skin changes.
- Common conditions in the elderly (e.g., xerosis, stasis dermatitis, skin tears).
- Considerations for treatment and education in older adults.

- Acne vulgaris, Rosacea, Comedones, Papules, Pustules, Cysts.
- Atopic dermatitis, Contact dermatitis (irritant, allergic), Seborrheic dermatitis, Stasis dermatitis.
- Psoriasis (plaque, guttate, inverse, pustular, erythrodermic), Koebner phenomenon, Auspitz sign.
- Urticaria, Angioedema.
- Impetigo, Cellulitis, Erysipelas, Folliculitis, Abscess, Furuncle, Carbuncle.
- Tinea (pedis, corporis, cruris, capitis), Candidiasis.
- Herpes simplex, Herpes zoster, Varicella, Warts (verrucae), Molluscum contagiosum.
- Scabies, Pediculosis.
- Melasma, Vitiligo, Post-inflammatory hyperpigmentation/hypopigmentation.
- Alopecia, Onychomycosis, Onycholysis.
- Lupus, Scleroderma, Dermatomyositis, Pemphigus, Bullous pemphigoid.
- Xerosis, Pruritus senilis.

III. Surgical and Procedural Dermatology

- Biopsy Techniques:
- Punch biopsy, shave biopsy, excisional biopsy.
- Specimen handling and proper submission.

- Surgical Excisions:
- Indications, pre-operative preparation, sterile technique, wound closure, post-operative care.

- Cryosurgery:
- Indications, technique, post-procedure care.
- Electrosurgery (e.g., electrocautery, electrodesiccation):
- Principles, indications, post-procedure care.

- Phototherapy (e.g., UVB, UVA, PUVA):
- Indications, patient selection, dosage, side effects, safety measures.

- Laser Therapy:
- Types of lasers (e.g., ablative, non-ablative, pulsed dye, Nd:YAG), indications (e.g., vascular lesions, pigmentary lesions, hair removal, skin resurfacing), patient safety.

- Chemical Peels:
- Types (superficial, medium, deep), indications, pre- and post-peel care.

- Injectables (e.g., botulinum toxin, dermal fillers):
- Indications, administration, potential complications.

- Wound Care and Management:
- Wound healing phases, types of wounds (e.g., acute, chronic, pressure injuries), dressing selection, debridement.

- Infection Control in Dermatologic Procedures:
- Aseptic technique, sterilization, disinfection.

- Biopsy (punch, shave, excisional), Curettage, Electrocautery, Electrodesiccation.
- Cryosurgery, Liquid nitrogen.
- Phototherapy, UVB, UVA, PUVA, Psoralen.
- Laser (ablative, non-ablative, pulsed dye, Nd:YAG, CO2, Er:YAG), Chromophore.
- Chemical peel (glycolic acid, salicylic acid, trichloroacetic acid), Superficial, Medium, Deep.
- Botulinum toxin, Dermal fillers (hyaluronic acid, calcium hydroxylapatite).
- Wound healing (inflammation, proliferation, remodeling), Primary intention, Secondary intention, Tertiary intention.
- Debridement, Dressings (occlusive, semi-occlusive, hydrocolloid, alginate, foam, silicone).
- Aseptic technique, Sterilization, Disinfection.

IV. Professional Practice and Healthcare Outcomes

- Ethical and Legal Considerations:
- Patient confidentiality (HIPAA), informed consent, scope of practice, documentation standards.
- Professional boundaries, cultural competence.

- Quality Improvement and Safety:
- Medication safety, patient identification, fall prevention, infection prevention.
- Risk management in dermatology.

- Interdisciplinary Collaboration:
- Working with physicians, physician assistants, medical assistants, aestheticians, and other healthcare professionals.
- Referral processes.

- Research and Evidence-Based Practice:
- Utilizing current research to guide nursing practice.
- Understanding research methodologies and statistical significance.

- Professional Development:
- Continuing education, certification renewal, participation in professional organizations (e.g., DNA).

- HIPAA, Informed consent, Scope of practice, Malpractice, Negligence.
- Quality improvement, Patient safety, Root cause analysis.
- Interdisciplinary team, Collaboration, Referral.
- Evidence-based practice, Clinical guidelines, Research utilization.
- Continuing education, Certification, Professional organizations.