Dermatology: ROSH REVIEW UPDATED ACTUAL Questions and CORRECT
Answers
1. What manifestation is most supportive of erythema Mild febrile illness fol-
infectiosum? lowed by a malar rash with
a slapped-cheek appear-
ance
2. What is the pathogenesis of acanthosis nigricans? Insulin resistance
3. A patient has a well-demarcated, nonpurulent rash Clear demarcation be-
that is raised from the surrounding skin in a butterfly tween the involved and
distribution on his cheeks. It is erythematous, ede- uninvolved skin
matous, & warm to touch. He is febrile & diagnosed
with erysipelas. What suggests erysipelas rather than
cellulitis?
4. A patient has a morbilliform rash over her torso, arms Antigen exposure, sensi-
& legs. It is itchy & improves with diphenhydramine. partial-
A course of Bactrim was just finished. Mucous mem- thickness
branes, face, palms, soles are spared. An antibiotic burns?
reaction is suspected. Cause?
5. What is true regarding the treatment of superficial
,tizing T cells, which thenmediate tissue injury
Ruptured blisters shouldbe debrided
, 6. What is the most common type of skin cancer? Basal cell carcinoma
7. A patient has a painless, skin-colored, cauli- Imiquimod: topical
flower-shaped lesion on his penis. Diagnosis is condy- anti-tumor medication
loma acuminata. Treatment? used to treat genital warts
8. A patient has an erythematous greasy-appearing rash Topical hydrocortisone
on his central face. Treatment?
9. An obese woman presents with a rash under her K O H prep aka Potassi-
breasts. There are bilateral erythematous, macerated um hydroxide preparation:
patches of skin on both inframammary spaces. Diag- Scrape the problem area
nostic test? of skin with scalpel blade,
place scrapings on a slide,
drop liquid potassium hy-
droxide & examined under
microscope
Answers
1. What manifestation is most supportive of erythema Mild febrile illness fol-
infectiosum? lowed by a malar rash with
a slapped-cheek appear-
ance
2. What is the pathogenesis of acanthosis nigricans? Insulin resistance
3. A patient has a well-demarcated, nonpurulent rash Clear demarcation be-
that is raised from the surrounding skin in a butterfly tween the involved and
distribution on his cheeks. It is erythematous, ede- uninvolved skin
matous, & warm to touch. He is febrile & diagnosed
with erysipelas. What suggests erysipelas rather than
cellulitis?
4. A patient has a morbilliform rash over her torso, arms Antigen exposure, sensi-
& legs. It is itchy & improves with diphenhydramine. partial-
A course of Bactrim was just finished. Mucous mem- thickness
branes, face, palms, soles are spared. An antibiotic burns?
reaction is suspected. Cause?
5. What is true regarding the treatment of superficial
,tizing T cells, which thenmediate tissue injury
Ruptured blisters shouldbe debrided
, 6. What is the most common type of skin cancer? Basal cell carcinoma
7. A patient has a painless, skin-colored, cauli- Imiquimod: topical
flower-shaped lesion on his penis. Diagnosis is condy- anti-tumor medication
loma acuminata. Treatment? used to treat genital warts
8. A patient has an erythematous greasy-appearing rash Topical hydrocortisone
on his central face. Treatment?
9. An obese woman presents with a rash under her K O H prep aka Potassi-
breasts. There are bilateral erythematous, macerated um hydroxide preparation:
patches of skin on both inframammary spaces. Diag- Scrape the problem area
nostic test? of skin with scalpel blade,
place scrapings on a slide,
drop liquid potassium hy-
droxide & examined under
microscope
