Which of the following is not usually used in the treatment of MRSA infection?

Triclosan 2% rinses

Hexachlorophene dusting power 0.33%

Nasal Mupirocin Ointment

Oral chlorhexidine rinses

Exfoliatin is produced by a strain of staphylococcus aureus. It causes the epidermis to split from the dermis.

Bullae are found below the corneum stratum.

What is the name of this condition?

Impetigo

Failure to improve should prompt consideration of which main other possibilities?

• Underlying eczema
• Untreated scabies or lice infestation

Ecthyma Gangrenosum

True or false.

This is a deeper form of staphylococcal skin infection than impetigo.

True.

Invasion into the dermis occurs.

Treatment is usually with oral antibiotics as with impetigo.

Sycosis barbae.

True or false.

This is a form of folliculitis with a staphylococcal cause

True

Folliculitis decalvans.

True / False

This scarring condition usually has an underlying fungal cause.

False. Staphylococcal infection is usually responsible.

Which of the following form part of the normal human cutaneous commensal flora?

Aspergillus sp., malassezia furfur, trichophyton rubrum, candida albicans, trichophyton verrucosum

Malassezia f

Candida albicans

Pityriasis rosea. True/false. Recurrences are common?

What skin disease is described below:

Usually presents as hypopigmented macules that fail to tan. Treatment is indicated if a fine scale is present. Selenium sulfide or imidazole creams are effective. Even skin pigmentation may take upto 2 years to achieve.

Pityriasis versicolor.

Selenium sulfide is used twice a week for 4 weeks. Each application is washed off after 24 hours.

Trichophyton verrucosum.

True or false.

This is a zoophilic dermatophyte

Shingles.

Postherpetic neuralgia.

What proportion of adult patients will experience this complication?