Answers Verified 100% Correct
Which tinea infections are successfully treated with topical medications? -
ANSWER -tinea cruris (jock itch)
tinea pedis (athletes foot)
tinea corporis (ringworm)
tinea versicolor (pityriasis versicolor)
first choice = lamisil (terbinafine) 1% cream BID for 1 week (corporis, cruris,
interdigital pedis), use for 2 weeks for plantar pedis
How should you monitor patients taking ALL antifungal meds? - ANSWER -
LFTs on initiation, repeat q 4-6 weeks
high risk / immunocompromised pts may require biweekly testing
Which azole is listed as Category D for pregnancy? - ANSWER -fluconazole
is also the only azole that crosses the blood-brain barrier and gets into the CSF
PLAQUE PSORIASIS
pathophys - ANSWER -PATHO: squamous epithelial cells undergo rapid mitosis
& abnormal maturation. Rapid turnover of skin produces the classic plaques
* genetic component *
PLAQUE PSORIASIS
- treatment
- medications that can precipitate or exacerbate psoriasis - ANSWER -treatment:
1. steroids - topical
2. retinoids - topical (tazorotene)
3. tar preparations (psoralen drug class)
meds that can precipitate/exacerbate:
1 Beta-blocking agents
2 antimalarials (i.e., hydroxychloroquine)
3 lithium
, What is AUSPITZ'S SIGN? - ANSWER -Pinpoint bleeding that occurs when
plaque psoriasis scale is removed (when pt scratches at it)
What are the three primary conditions to include in a differential diagnosis of a
groin rash? - ANSWER -1. tinea cruris
2. intertrigo
3. candida
What are the signs / symptoms that an abscess is purulent? - ANSWER -■ Yellow
or white center
■ Central point or "head"
■ Draining pus
■ Possible to aspirate pus with needle
and syringe
■ Fluctuance—palpable fluid-filled
cavity, movable, compressible
When should you consider giving an antibiotic that covers MRSA for your SSTI?
- ANSWER -wound appears to be purulent
systemic symptoms
severe local symptoms
immunosuppression
failure to respond to I&D
1. What organism are you targeting if a soft tissue/skin infection (including
cellulitis) does not appear to be purulent and there are no s/s of systemic
infections?
2.what other actions should you take? - ANSWER -1. Strep (esp group B beta
hemolytic)
cover with a beta lactam (PCN, cephalosporin)
2. I & D if an abscess
culture the drainage
monitor/ follow closely
if no response to antibx, start coverage for MRSA
GROUP A STREP = Streptococcus pyogenes - ANSWER -can cause any number
of infections including