ARIZONA DERMATOLOGY SPECIALIST EXAM
QUESTIONS WITH CORRECT ANSWERS AND
RATIONALES LATEST 2026 TREND
Question 1
Which layer of the skin contains keratinocytes that actively divide?
A. Stratum corneum
B. Stratum lucidum
C. Stratum granulosum
D. Stratum basale
Correct Answer: D. Stratum basale
Rationale: The stratum basale is the deepest epidermal layer and
contains mitotically active keratinocytes responsible for epidermal
renewal.
Question 2
Melanocytes are primarily located in the:
A. Dermis
B. Stratum basale
C. Hypodermis
D. Stratum corneum
Correct Answer: B. Stratum basale
Rationale: Melanocytes reside in the basal layer and produce melanin,
which protects against ultraviolet radiation.
,Question 3
The most common form of skin cancer is:
A. Melanoma
B. Squamous cell carcinoma
C. Basal cell carcinoma
D. Merkel cell carcinoma
Correct Answer: C. Basal cell carcinoma
Rationale: Basal cell carcinoma is the most frequently diagnosed skin
cancer and rarely metastasizes.
Question 4
A hallmark clinical feature of psoriasis is:
A. Vesicles
B. Silvery scales on erythematous plaques
C. Bullae
D. Hyperpigmented patches
Correct Answer: B. Silvery scales on erythematous plaques
Rationale: Psoriasis typically presents with sharply demarcated plaques
covered by silvery-white scales.
Question 5
The primary causative organism of impetigo is:
, A. Candida albicans
B. Staphylococcus aureus
C. Herpes simplex virus
D. Malassezia furfur
Correct Answer: B. Staphylococcus aureus
Rationale: Staphylococcus aureus is the most common cause of
impetigo, although Streptococcus pyogenes may also be involved.
Question 6
Which dermatologic condition is associated with the Auspitz sign?
A. Vitiligo
B. Acne vulgaris
C. Psoriasis
D. Rosacea
Correct Answer: C. Psoriasis
Rationale: Auspitz sign refers to pinpoint bleeding when psoriatic
scales are removed.
Question 7
The "ABCDE" criteria are used to evaluate:
A. Psoriasis
B. Eczema
C. Melanoma
D. Cellulitis
Correct Answer: C. Melanoma
QUESTIONS WITH CORRECT ANSWERS AND
RATIONALES LATEST 2026 TREND
Question 1
Which layer of the skin contains keratinocytes that actively divide?
A. Stratum corneum
B. Stratum lucidum
C. Stratum granulosum
D. Stratum basale
Correct Answer: D. Stratum basale
Rationale: The stratum basale is the deepest epidermal layer and
contains mitotically active keratinocytes responsible for epidermal
renewal.
Question 2
Melanocytes are primarily located in the:
A. Dermis
B. Stratum basale
C. Hypodermis
D. Stratum corneum
Correct Answer: B. Stratum basale
Rationale: Melanocytes reside in the basal layer and produce melanin,
which protects against ultraviolet radiation.
,Question 3
The most common form of skin cancer is:
A. Melanoma
B. Squamous cell carcinoma
C. Basal cell carcinoma
D. Merkel cell carcinoma
Correct Answer: C. Basal cell carcinoma
Rationale: Basal cell carcinoma is the most frequently diagnosed skin
cancer and rarely metastasizes.
Question 4
A hallmark clinical feature of psoriasis is:
A. Vesicles
B. Silvery scales on erythematous plaques
C. Bullae
D. Hyperpigmented patches
Correct Answer: B. Silvery scales on erythematous plaques
Rationale: Psoriasis typically presents with sharply demarcated plaques
covered by silvery-white scales.
Question 5
The primary causative organism of impetigo is:
, A. Candida albicans
B. Staphylococcus aureus
C. Herpes simplex virus
D. Malassezia furfur
Correct Answer: B. Staphylococcus aureus
Rationale: Staphylococcus aureus is the most common cause of
impetigo, although Streptococcus pyogenes may also be involved.
Question 6
Which dermatologic condition is associated with the Auspitz sign?
A. Vitiligo
B. Acne vulgaris
C. Psoriasis
D. Rosacea
Correct Answer: C. Psoriasis
Rationale: Auspitz sign refers to pinpoint bleeding when psoriatic
scales are removed.
Question 7
The "ABCDE" criteria are used to evaluate:
A. Psoriasis
B. Eczema
C. Melanoma
D. Cellulitis
Correct Answer: C. Melanoma
