Dermatology MCQs

A patient presents with a 'herald patch' followed by a 'Christmas-tree' pattern rash. What is the most likely diagnosis?

What is an essential diagnostic criterion for atopic dermatitis?

Which of the following describes the mechanism of action of topical retinoids in acne treatment?

What dermatological condition presents with a 'cobblestone' appearance in the oral mucosa?

Kaposi sarcoma is most commonly associated with infection by which agent?

Which organism is primarily responsible for athlete's foot (tinea pedis)?

Which of the following is not a typical feature of cutaneous lupus erythematosus?

What is the gold standard diagnostic technique for melanoma?

A patient with a chronic condition exhibits thickened skin from persistent scratching. What is this phenomenon called?

Which medication is NOT typically used in the treatment of psoriasis?

What is the first-line treatment for scabies?

What is the term for excessive sweating?

Which histological feature is characteristic of squamous cell carcinoma?

Which of the following is a feature of melanoma on dermoscopy?

What is the primary cause of cellulitis?

A patient presents with nail changes including pitting and onycholysis. What condition might you suspect?

What type of UV radiation is most associated with the development of melanoma?

Phototherapy is an effective treatment for which of the following conditions?

What is the characteristic feature of erythema multiforme?

Which type of drug is terbinafine, often used to treat fungal nail infections?

A patient presents with thick, dark, velvety patches on the neck and axillae. What is the most likely diagnosis?

Which condition is associated with gluten sensitivity and presents with pruritic blistering lesions on the elbows and knees?

Which condition is characterized by a 'butterfly rash' on the face?

What is the cause of alopecia areata?

In the Mohs surgery technique for skin cancer removal, what is the primary advantage?

A patient with a history of atopic dermatitis is most likely to have which associated condition?

In the management of atopic dermatitis, which type of moisturizer is preferred?

What is the first-line treatment for acne vulgaris?

Which medication is primarily used to treat severe psoriasis?

What is the term for the dilated superficial blood vessels often seen in rosacea?

What is the primary treatment goal in the management of hidradenitis suppurativa?

Which condition is characterized by silvery scales on erythematous plaques?

The presence of comedones is a distinguishing feature of which skin condition?

A patient presents with a sharply demarcated, circular, itchy patch on their arm. What is the most likely diagnosis?

What type of hypersensitivity reaction is contact dermatitis?

Which of the following is NOT a common site for psoriasis plaques?

What is the characteristic histological finding in basal cell carcinoma?

Which of the following is a common trigger for rosacea flare-ups?

What is the most common type of skin cancer?

A patient is diagnosed with a single, rough, scaly lesion caused by sun exposure. What is the most likely diagnosis?