FNP 1 Dermatology FINAL Exam Questions And Answers Verified 100% Correct

FNP 1 Dermatology FINAL Exam Questions And 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? 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 IMPETIGO NECROTIZING FASCIITIS OTHERS What antibiotics can be used to cover MRSA infection? - ANSWER -clindamycin trimethoprim-sulfamethoxazole (TMP-SMX) tetracycline (doxycycline or minocycline) linezolid duration: 5-10 days How is CA-MRSA transmitted? - ANSWER -person-to-person skin contact fomites What antibiotic regimen covers Staph AND strep? (MSSA, MRSA and Strep) - ANSWER -Bactrim + cephalosporin ** Cephalosporin covers both MSSA & Strep pyogenes ** T or F: CA-MRSA is found predominantly in healthy kids and adults - ANSWER -TRUE Health care facility assoc MRSA is usu found in the frail & immunocompromised How does roseacea present? - ANSWER -erythema exacerbations of facial flushing ruddy appearance Pustules may give it a similar appearance to acne bulbous appearance of the nose CHARACTERIZED BY FLARES & REMISSIONS What are the triggers that rosacea patients should avoid? How is the condition treated? - ANSWER -triggers/irritants = heat, spicy food, ETOH, harsh skin products TREATMENT moisturizers sunscreen