Colorado Cosmetology Written Practice Exam

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What is the severe case of dandruff characterized by an accumulation of greasy or waxy scales mixed with sebum called?

Blue nails
Pityriasis steatoides
Tinea pedis
Eggshell nails

The correct answer is: Pityriasis steatoides

Pityriasis steatoides, also known as seborrheic dermatitis, is a common skin condition that primarily affects the scalp. It is characterized by an accumulation of greasy or waxy scales mixed with sebum, leading to severe dandruff. Therefore, option B is the correct answer. The other options are incorrect because A) Blue nails (also known as cyanonychia) is a discoloration of the nails caused by decreased blood flow or a decrease in oxygen levels in the blood. It is not associated with dandruff or seborrheic dermatitis. C) Tinea pedis is a fungal infection commonly known as athlete's foot. It primarily affects the feet and is characterized by red, itchy, and scaly skin. It is not associated with dandruff. D) Eggshell nails are a rare condition characterized by thin, fragile, and translucent nails. It is not associated with dandruff or seborrheic dermatitis.