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100+ Free DCNP Practice Questions

Pass your DNPCB Dermatology Certified Nurse Practitioner exam on the first try — instant access, no signup required.

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Question 1
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Guttate psoriasis most commonly follows infection with which organism?

A
B
C
D
to track
2026 Statistics

Key Facts: DCNP Exam

175

Total Questions

164 scored

4 hrs

Exam Time

DNPCB

95

Passing Score

Scaled (~74%)

$400

Exam Fee

DNPCB 2026

3,000 hrs

Required Experience

Past 3 years

3 years

Certification Valid

Recertification cycle

The DCNP exam contains 175 questions (164 scored) over approximately 4 hours. Content covers four domains with Assess & Diagnose and Interventions each at 35%. Passing requires a scaled score of 95. Eligibility requires 3,000 dermatology hours within the past 3 years, NP licensure, and national NP certification. Certification is valid 3 years.

Sample DCNP Practice Questions

Try these sample questions to test your DCNP exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1The stratum corneum is primarily composed of which cell type?
A.Melanocytes
B.Keratinocytes
C.Langerhans cells
D.Merkel cells
Explanation: The stratum corneum consists of terminally differentiated, anucleate keratinocytes (corneocytes) embedded in a lipid matrix, providing the primary epidermal barrier.
2Which epidermal layer contains cells undergoing active mitosis?
A.Stratum spinosum
B.Stratum granulosum
C.Stratum basale
D.Stratum lucidum
Explanation: The stratum basale (basal layer) anchors to the basement membrane and is the site of keratinocyte stem-cell mitosis that drives epidermal turnover.
3Langerhans cells in the epidermis primarily function as:
A.Melanin producers
B.Sensory receptors
C.Antigen-presenting cells
D.Collagen synthesizers
Explanation: Langerhans cells are bone-marrow-derived dendritic cells in the stratum spinosum that capture antigens and migrate to lymph nodes to activate T-cells.
4Which dermal structure provides tensile strength via type I collagen bundles?
A.Papillary dermis
B.Reticular dermis
C.Hypodermis
D.Basement membrane zone
Explanation: The reticular dermis contains thick, interwoven type I collagen and elastin fibers that give skin its tensile strength and elasticity.
5Eccrine sweat glands are most densely distributed on which body site?
A.Back
B.Palms and soles
C.Upper arms
D.Scalp
Explanation: Eccrine glands are found on all body surfaces but reach peak density (~600/cm²) on palms and soles, where they also contribute to grip.
6A 16-year-old presents with open and closed comedones on the forehead and nose, no papules or pustules. Which acne grade best describes this presentation?
A.Grade I comedonal acne
B.Grade II mild inflammatory
C.Grade III moderate inflammatory
D.Grade IV severe nodulocystic
Explanation: Comedonal acne (Grade I) is characterized by open (blackheads) and closed (whiteheads) comedones without significant inflammation.
7Topical retinoids are considered first-line for comedonal acne primarily because they:
A.Kill P. acnes directly
B.Normalize follicular keratinization
C.Reduce sebum production
D.Block androgen receptors
Explanation: Retinoids (tretinoin, adapalene) bind nuclear retinoic acid receptors, reducing abnormal follicular keratinocyte cohesion that leads to microcomedo formation.
8A 22-year-old woman with nodulocystic acne wants oral therapy. Before prescribing isotretinoin, which program must she enroll in?
A.REMS AccutaneLink
B.iPLEDGE
C.STEPS program
D.RevAid
Explanation: iPLEDGE is the FDA-mandated REMS program for isotretinoin requiring monthly pregnancy tests and contraception confirmation for patients with childbearing potential before dispensing.
9Rosacea subtype characterized by persistent central facial erythema and flushing without papules is classified as:
A.Erythematotelangiectatic rosacea (ETR)
B.Papulopustular rosacea (PPR)
C.Phymatous rosacea
D.Ocular rosacea
Explanation: ETR (subtype 1) features persistent centrofacial erythema, flushing, and telangiectasias without inflammatory papules or pustules.
10First-line topical agent approved specifically for papulopustular rosacea that works by reducing inflammatory mediators via alpha-2 adrenergic agonism is:
A.Metronidazole 0.75%
B.Azelaic acid 15%
C.Brimonidine 0.33%
D.Ivermectin 1% cream
Explanation: Ivermectin 1% cream (Soolantra) treats inflammatory papulopustular rosacea by killing Demodex mites and exerting anti-inflammatory effects; it is FDA-approved for PPR.

About the DCNP Exam

The DCNP certification validates advanced clinical competency in dermatology for nurse practitioners. The 175-item exam (164 scored + 11 experimental) covers four domains: Assess & Diagnose (35%), Prescribe/Perform Interventions (35%), Educate Patients/Families/Professionals (25%), and Professional Activities (5%). Eligibility requires current NP licensure, master's degree, national NP certification, and 3,000 dermatology practice hours in the past 3 years. Certification is valid for 3 years.

Questions

175 scored questions

Time Limit

Approximately 4 hours

Passing Score

Scaled score 95 (approximately 74%)

Exam Fee

$400 (Dermatology Nurse Practitioner Certification Board (DNPCB) / C-NET)

DCNP Exam Content Outline

35%

Domain A: Assess and Diagnose

History, physical exam, diagnostic tests (KOH, biopsy, dermoscopy, patch testing), differential diagnosis across inflammatory, infectious, pigmentary, bullous, connective tissue, hair, nail, and malignant conditions

35%

Domain B: Prescribe/Perform Interventions

Topical/systemic pharmacology, biologics, retinoids, phototherapy (NB-UVB, PUVA), procedural dermatology (cryotherapy, ED&C, biopsy types, Mohs referral criteria), cosmetic procedures (botulinum toxin, fillers, peels)

25%

Domain C: Educate Patients, Families, and Professionals

Sun safety, photoprotection, medication adherence, biologic vaccine precautions, iPLEDGE counseling, skin cancer screening, disease self-management, and public/professional education

5%

Domain D: Professional Activities

Recertification, continuing education, quality improvement, evidence-based practice, and contribution to dermatology NP professional standards

How to Pass the DCNP Exam

What You Need to Know

  • Passing score: Scaled score 95 (approximately 74%)
  • Exam length: 175 questions
  • Time limit: Approximately 4 hours
  • Exam fee: $400

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

DCNP Study Tips from Top Performers

1Master inflammatory dermatology — psoriasis (PASI, subtypes), atopic dermatitis, rosacea subtypes, and contact dermatitis are high-yield for both Domain A and B
2Know biologic mechanisms: TNF-α (adalimumab), IL-17A (secukinumab), IL-23 p19 (guselkumab), IL-4Rα (dupilumab) and their indications
3Review iPLEDGE requirements and isotretinoin side-effect monitoring — Domain B and C favorite
4Understand biopsy type selection: shave for exophytic lesions, punch for inflammatory patterns and DIF, excisional for melanoma
5Know drug eruption spectrum: fixed drug eruption, AGEP, DRESS, SJS/TEN — clinical features and timing
6Study melanoma ABCDE criteria, AJCC 8th edition staging, and SLNB indications
7Learn KOH prep patterns: septate hyphae (dermatophytes), pseudohyphae (Candida), spaghetti and meatballs (Malassezia)
8Review photoprotection: SPF measures UVB; broad-spectrum covers UVA; zinc oxide and titanium dioxide are mineral blockers
9Practice Domain C (patient education) questions — vaccine precautions on biologics, sun safety, and medication counseling are tested
10Know Fitzpatrick skin types and their clinical relevance for phototherapy dosing and PIH risk assessment

Frequently Asked Questions

What is the DCNP exam?

The DCNP (Dermatology Certified Nurse Practitioner) is a specialty certification offered by the Dermatology Nurse Practitioner Certification Board (DNPCB). It validates advanced clinical knowledge and skills in dermatology for licensed nurse practitioners, covering diagnosis, interventions, patient education, and professional practice.

What are the DCNP eligibility requirements?

Candidates must have: (1) current unrestricted NP state licensure, (2) a master's degree in nursing, (3) current national NP certification (AANP or ANCC), and (4) a minimum of 3,000 hours of general dermatology practice within the past 3 years with current dermatology practice.

How many questions are on the DCNP exam?

The DCNP exam contains 175 multiple-choice questions total: 164 scored and 11 experimental (unscored) questions. Candidates have approximately 4 hours to complete the exam.

What is the DCNP passing score?

A scaled score of 95 is required to pass the DCNP exam, which corresponds to approximately 74% correct answers. Official score reports are provided by DNPCB approximately 2–4 weeks after the exam.

What content areas are covered on the DCNP exam?

The DCNP exam covers four domains: Assess and Diagnose (35%), Prescribe/Perform Interventions (35%), Educate Patients, Families, Professionals, and Public (25%), and Participate in Professional Activities (5%).

How long is DCNP certification valid?

DCNP certification is valid for 3 years. Recertification is available by re-examination or by completing approved continuing education in dermatology nursing practice.

How much does the DCNP exam cost?

The DCNP exam fee is $400. Candidates must also maintain their underlying NP certification and meet the ongoing dermatology practice hour requirements for recertification.