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DNCB-DNC exam Format | DNCB-DNC Course Contents | DNCB-DNC Course Outline | DNCB-DNC exam Syllabus | DNCB-DNC exam Objectives

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.

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