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Derm Intro 2
Derm
| Question | Answer |
|---|---|
| blackheads and whiteheads=acne | comedo |
| small, superficial keratin cyst | milia |
| dermal nodule, visible opening often seen; cheesy foul-smelling contents | cyst |
| narrow, elevated tunnel=parasite (scabies) | burrow |
| thickening of the skin | lichenification |
| dilated superficial vessels | telangectasia |
| nonblanchable blood deposit 1cm or less | petechiae |
| perechiae >1cm | purpura |
| KOH prep is used to help see what | fungus and yeast |
| what is diascopy used to see (putting pressure on a lesion to see if it blanches) | vascular lesions |
| what is a Tzanck Smear used to identify | virus |
| what is mineral oil prep used to identify | scabies |
| what is patch testing used for | when contact allergy is suspected |
| acetowhitening is | unreliable |
| when in doubt what do you do | biopsy |
| fancy name for blacklight | Wood's Light |
| a simple office procedure used to identify fungal organisms and yeast prior to initiating treatment | KOH prep |
| when doing a KOH prep always scrape the __ | border of the lesion |
| office procedure for suspected viral infection, scrapings must be obtained from the base of a freshly opened vesicle | Tzanck smear |
| what are you looking for under the microscope when doing a Tzanck smear | multinucleated giant cells |
| aka scabies prep | mineral oil prep |
| Scabies droppings, AKA: | scybala |
| if your patient is itchy have __ in your differential | scabies |
| Most common contact allergen | neosporin |
| fluoresces white with wood's lamp | vitiligo |
| fluoresces coral red with wood's lamp | erythasma |
| honey colored crust is pathognomonic for | impetigo |
| what causes hand foot and mouth disease | coxsackie virus |
| Decubitus ulcer Stage I: | nonblanching erythema, intact skin |
| Decubitus ulcer Stage II | necrosis, superficial; involving epidermis/dermis; shallow ulcer |
| Decubitus ulcer Stage III | deep necrosis; crater ulcers w/full thickness skin loss; to but not thru fascia |
| Decubitus ulcer Stage IV | full thickness ulceration w/necrosis damage to mx/bone |