NAPLEX Common Skin Conditions Questions with Correct Answers
(Grade A+)
Question 1: What is lysine used for?
Answer: cold sore prevention and treatment (natural product)
Question 2: What is biotin used for?
Answer: hair loss, brittle nails
Question 3: What is aloe used for?
Answer: sunburn, psoriasis
Question 4: What is tea tree oil used for?
Answer: acne, onychomycosis
Question 5: What 3 drugs makes the skin/secretions brown?
Answer: entacapone, levodopa, methyldopa
Question 6: sulfasalazine - discoloration
Answer: orange/yellow
Question 7: propofol - discoloration
Answer: yellow/green
Question 8: phenazopyridine - discoloration
Answer: red/orange
Question 9: amiodarone - discoloration
Answer: blue/gray
Question 10: iron - discoloration
Answer: black stool
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,Question 11: What causes acne?
Answer: changes in androgens, presence of Cutibacterium acnes, sebum
Question 12: retinoids
Answer: vitamin A derivatives used to treat acne, psoriasis and photoaging
Question 13: How should retinoids be used?
Answer: AAA QHS only a pea-sized amount, then use moisturizer and suncreen QAM
Question 14: How long does it take for topical retinoids to work for acne?
Answer: 4-12 weeks; acne may worsen initially
Question 15: What can be used if acne worsens when starting a topical retinoid?
Answer: minocycline
Question 16: What is isotretinoin approved for?
Answer: severe recalcitrant nodular acne only
Question 17: azelaic acid indications
Answer: acne, rosacea
Question 18: clascoterone MOA
Answer: topical androgen receptor inhibitor
Question 19: Azelex, Finacea
Answer: azelaic acid
Question 20: azelaic acid
Answer: Azelex, Finacea
Question 21: clascoterone
Answer: Winlevi
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, Question 22: Winlevi
Answer: clascoterone
Question 23: first-line for mild acne
Answer: benzoyl peroxide, retinoid
Question 24: first-line for moderate acne
Answer: combination topical (benzoyl peroxide + retinoid or antibiotic); PO antibiotic + benzoyl peroxide +
topical retinoid (+/- topical antibiotic)
Question 25: first-line for severe acne
Answer: combination topicals + PO antibiotic; isotretinoin
Question 26: tretinoin
Answer: Atralin, Renova, Retin-A, Altreno
Question 27: Atralin, Renova, Retin-A, Altreno
Answer: tretinoin
Question 28: Differin
Answer: adapalene
Question 29: adapalene
Answer: Differin
Question 30: adapalene MOA
Answer: topical retinoid
Question 31: tazarotene MOA
Answer: topical retinoid
Question 32: topical retinoid contraindications
Answer: pregnancy
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(Grade A+)
Question 1: What is lysine used for?
Answer: cold sore prevention and treatment (natural product)
Question 2: What is biotin used for?
Answer: hair loss, brittle nails
Question 3: What is aloe used for?
Answer: sunburn, psoriasis
Question 4: What is tea tree oil used for?
Answer: acne, onychomycosis
Question 5: What 3 drugs makes the skin/secretions brown?
Answer: entacapone, levodopa, methyldopa
Question 6: sulfasalazine - discoloration
Answer: orange/yellow
Question 7: propofol - discoloration
Answer: yellow/green
Question 8: phenazopyridine - discoloration
Answer: red/orange
Question 9: amiodarone - discoloration
Answer: blue/gray
Question 10: iron - discoloration
Answer: black stool
Page 1
,Question 11: What causes acne?
Answer: changes in androgens, presence of Cutibacterium acnes, sebum
Question 12: retinoids
Answer: vitamin A derivatives used to treat acne, psoriasis and photoaging
Question 13: How should retinoids be used?
Answer: AAA QHS only a pea-sized amount, then use moisturizer and suncreen QAM
Question 14: How long does it take for topical retinoids to work for acne?
Answer: 4-12 weeks; acne may worsen initially
Question 15: What can be used if acne worsens when starting a topical retinoid?
Answer: minocycline
Question 16: What is isotretinoin approved for?
Answer: severe recalcitrant nodular acne only
Question 17: azelaic acid indications
Answer: acne, rosacea
Question 18: clascoterone MOA
Answer: topical androgen receptor inhibitor
Question 19: Azelex, Finacea
Answer: azelaic acid
Question 20: azelaic acid
Answer: Azelex, Finacea
Question 21: clascoterone
Answer: Winlevi
Page 2
, Question 22: Winlevi
Answer: clascoterone
Question 23: first-line for mild acne
Answer: benzoyl peroxide, retinoid
Question 24: first-line for moderate acne
Answer: combination topical (benzoyl peroxide + retinoid or antibiotic); PO antibiotic + benzoyl peroxide +
topical retinoid (+/- topical antibiotic)
Question 25: first-line for severe acne
Answer: combination topicals + PO antibiotic; isotretinoin
Question 26: tretinoin
Answer: Atralin, Renova, Retin-A, Altreno
Question 27: Atralin, Renova, Retin-A, Altreno
Answer: tretinoin
Question 28: Differin
Answer: adapalene
Question 29: adapalene
Answer: Differin
Question 30: adapalene MOA
Answer: topical retinoid
Question 31: tazarotene MOA
Answer: topical retinoid
Question 32: topical retinoid contraindications
Answer: pregnancy
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