MD MD - Doctor of Medicine Dermatology and Skin Disorders Questions and Answers 1

Question 1

What is the most common type of skin cancer in the United States?

Accepted Answer

Basal cell carcinoma

Answer

Basal cell carcinoma is the most common skin cancer in the US, accounting for approximately 80% of all skin cancers.

Question 2

Which dermatological condition is characterized by erythematous plaques with silvery scales?

Accepted Answer

Psoriasis

Answer

Psoriasis is characterized by well-demarcated erythematous plaques covered with silvery-white scales caused by accelerated keratinocyte turnover.

Question 3

Stevens-Johnson Syndrome (SJS) is most commonly triggered by:

Accepted Answer

Drug reactions

Answer

Stevens-Johnson Syndrome is most commonly triggered by drug reactions, particularly sulfonamides, anticonvulsants, and NSAIDs.

Question 4

The Nikolsky sign (skin separation with lateral pressure) is positive in which condition?

Accepted Answer

Pemphigus vulgaris

Answer

The Nikolsky sign is positive in pemphigus vulgaris due to loss of intraepidermal adhesion from autoantibodies against desmoglein.

Question 5

Which antibiotic is first-line treatment for uncomplicated cellulitis in a non-penicillin-allergic patient?

Accepted Answer

Cephalexin

Answer

Cephalexin (a first-generation cephalosporin) is first-line oral therapy for uncomplicated cellulitis caused by streptococci and methicillin-susceptible staphylococci.

MD - Doctor of Medicine Practice Test

MD - Doctor of Medicine Practice Test

MD MD - Doctor of Medicine Dermatology and Skin Disorders Questions and Answers 1