MSN 624 DERMATOLOGY PART 1 EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS
Skin hx?
ask about any prior skin disorder, any fam hx for disorders- allergy, atrophy, asthma, or
eczema in childhood
onset and progress, changes to soaps, lotions, detergents, facial cleaners and food,
change in clothing, deodorant, gym/workout routine, sunbathing/tanning
look for patterns- front vs back, areas that season, waistband vs face vs peri area
skin exam techniques?
diascopy- magnifying glass, tranack test- top of vesicle removed for fresh sample
ex. varicella, herpes simplex, K+ hydroxidde 10% or 30%- more for fungus, shows
presence of spores or hyphae typical of candidates, culture-gives us sensitivity (ex.
Herpes, Strep, Staph), Skin shaving (ex. scabies, adult mites, eggs, or feces)
Ointment?
H2O in oil, most potent, excellent lubricant, not useful in hairy areas
best for dry, lichenfied presentations
retains H2O but may cause folliculitis (blocked hair ducts)
Creams?
stronger than lotion, less potent than ointment, washes off w/ H2O, cosmetically
appealing, use on non-hairy areas such as palms of hands & soles offense
Lotions?
ANSWERS WITH COMPLETE SOLUTIONS
Skin hx?
ask about any prior skin disorder, any fam hx for disorders- allergy, atrophy, asthma, or
eczema in childhood
onset and progress, changes to soaps, lotions, detergents, facial cleaners and food,
change in clothing, deodorant, gym/workout routine, sunbathing/tanning
look for patterns- front vs back, areas that season, waistband vs face vs peri area
skin exam techniques?
diascopy- magnifying glass, tranack test- top of vesicle removed for fresh sample
ex. varicella, herpes simplex, K+ hydroxidde 10% or 30%- more for fungus, shows
presence of spores or hyphae typical of candidates, culture-gives us sensitivity (ex.
Herpes, Strep, Staph), Skin shaving (ex. scabies, adult mites, eggs, or feces)
Ointment?
H2O in oil, most potent, excellent lubricant, not useful in hairy areas
best for dry, lichenfied presentations
retains H2O but may cause folliculitis (blocked hair ducts)
Creams?
stronger than lotion, less potent than ointment, washes off w/ H2O, cosmetically
appealing, use on non-hairy areas such as palms of hands & soles offense
Lotions?
