Friday Pop Quiz 6/19/2026
This patient also has extensive oral erosions. He tells you his only new medication is dicloxacillin, which he is taking for impetigo. How many days prior to development of the pictured eruption did this patient most likely begin taking dicloxacillin?
A. Hours-2 days
B. 7-21 days
C. 21-56 days
D. 60-90 days
E. >180 days
To find out the correct answer and read the explanation …
This patient also has extensive oral erosions. He tells you his only new medication is dicloxacillin, which he is taking for impetigo. How many days prior to development of the pictured eruption did this patient most likely begin taking dicloxacillin?
A. Hours-2 days
B. 7-21 days
C. 21-56 days
D. 60-90 days
E. >180 days
To find out the correct answer and read the explanation … 
Topical calcineurin inhibitors may offer several benefits over topical steroids in treating the scaly, lichenified periorbital plaques in this patient with atopic dermatitis, including:
A. More cost effective
B. Quicker onset of action
C. Decreased irritant potential
D. Absence of reports of cutaneous atrophy
E. Once daily application
To find out the correct answer and read the … 
Which histologic subtype of the lesion shown is most aggressive?
A. Solid
B. Nodular
C. Superficial
D. Morpheaform
E. All are equal
To find out the correct answer and read the explanation, click here.
… 
How are these lesions typically distributed?
A. Along the milk line
B. On the palmar surface of the hand
C. Along the lines of blaschko
D. On the trunk
E. On the extremities
To find out the correct answer and read the explanation, click here. … 
A 64-year old-woman with a history of hypertension and poorly controlled diabetes mellitus presents with these painful lesions on her legs that have slowly progressed for years. She is unable to tolerate compression. What is an appropriate next step?
A. Surgical reperfusion
B. Oral prednisone
C. Topical tacrolimus
D. Oral cellcept
E. Intravenous vancomycin
To find out the corre …