Dermatology 3

What is the primary mechanism of action shared by emollients, topical steroids, and systemic treatments like methotrexate in managing psoriasis?

A dermatologist observes flat-topped, violaceous papules on a patient's wrists and lower back. Which skin condition is MOST likely indicated by these observations?

Which variant of lichen planus is characterized by thick, raised plaques that are often more persistent and difficult to treat compared to other forms?

A patient with lichen planus is concerned about potential long-term effects on their skin and nails. Which areas are MOST prone to scarring as a result of this condition?

During an oral examination, a dentist notices a lacy, white network on the buccal mucosa along with bright red gums. Which feature is MOST indicative of oral lichen planus?

What is a common first-line topical treatment for managing the inflammation and discomfort associated with lichen planus?

In cases of severe or widespread lichen planus, which systemic treatment is often considered to suppress the immune system and reduce inflammation?

A child presents with a rash characterized by vesicles appearing in successive crops, giving the appearance of lesions in various stages of development. What condition is MOST likely responsible for this presentation?

An elderly patient develops a painful, unilateral vesicular rash along a single dermatome. Which condition is MOST likely the cause, and what underlying factor contributes to its development?

A patient presents with recurrent vesicular lesions around the mouth and on the fingers. What is the MOST likely viral cause of these infections?

A child has several small, shiny papules with a central indentation (umbilication) on their trunk. Which viral infection is MOST likely responsible for these skin lesions?

A patient presents with common warts on their hands. Which virus is the MOST likely cause of these lesions?

A child is diagnosed with impetigo. What is the MOST likely bacterial cause of this skin infection?

An adult patient develops a localized, warm, and tender area of skin on their lower leg, diagnosed as cellulitis. What is the typical treatment approach for this condition?

A patient presents with paronychia, an infection around the nail. What is the MOST likely bacterial cause of this condition?

A patient is diagnosed with a fungal infection of the skin. Which fungal species is MOST commonly responsible for these types of infections?

A patient is prescribed calcipotriol for their psoriasis. What is the mechanism of action of this medication?

Which of the following is a characteristic feature that distinguishes shingles from chickenpox?

A patient presents with bright red gums and a white lacy pattern on the inside of their cheeks. Which condition is MOST likely?

Which of the following medications used to treat psoriasis is classified as a systemic treatment?