Dermatology

Question 1

Which medication used to treat androgenetic alopecia is category X in pregnancy?

Answer 1

Finasteride

Question 2

What condition is causes scarring alopecia associated with thermal or chemical trauma to the scalp and is typically at the crown of the head and spreads in centrifugal fashion?

Answer 2

Central centrifugal cicatricial alopecia

Question 3

What condition causes roughness and longitudinal ridging of the nail plate of all 20 nails?

Answer 3

Lichen planus

Question 4

What nail dystrophy has a longitudinal depression or canal along the center with surrounding roughness resembling a Christmas tree?

Answer 4

Median nail dystrophy

Question 5

What is the main cause of onychogryphosis? (Rams horn deformity)

Answer 5

Failure to trim nails for long period of time

Question 6

What is main treatment for black hairy tongue?

Answer 6

Gentle debridement of tongue with toothbrush or tongue scraper

Question 7

What condition is confirmed by the Darier sign? A production of a wheal and flare after firmly stroking the lesion

Answer 7

Mastocytosis