Dermatologist Certificate Skin Disorders and Diagnosis 2

Question 1

What is the most common cause of tinea capitis in the United States?

Accepted Answer

Trichophyton tonsurans

Answer

Microsporum canis

Answer

Trichophyton rubrum

Answer

Epidermophyton floccosum

Question 2

Dermatitis herpetiformis is strongly associated with which systemic condition?

Accepted Answer

Celiac disease (gluten-sensitive enteropathy)

Answer

Crohn disease

Answer

Systemic lupus erythematosus

Answer

Inflammatory bowel disease

Question 3

Which feature best distinguishes seborrheic keratosis from a melanoma?

Accepted Answer

Stuck-on appearance with horn cysts visible on dermoscopy

Answer

Asymmetric borders and color variation

Answer

Rapid growth over weeks

Answer

Pruritus and bleeding

Question 4

What is the ABCDE rule used to evaluate in dermatology?

Accepted Answer

Asymmetry, Border irregularity, Color variation, Diameter >6mm, Evolution

Answer

Appearance, Bleeding, Crust, Diameter, Erythema

Answer

Atopy, Barrier dysfunction, Contact allergy, Dryness, Erythema

Answer

Age, Biopsy, Curettage, Dermoscopy, Excision

Question 5

Which condition presents with comedones, papules, pustules, and nodules primarily on the face, chest, and back?

Accepted Answer

Acne vulgaris

Answer

Rosacea

Answer

Perioral dermatitis

Answer

Folliculitis

Question 6

What wood lamp finding is characteristic of erythrasma?

Accepted Answer

Coral-red fluorescence

Answer

Blue-green fluorescence

Answer

Yellow-green fluorescence

Answer

No fluorescence