HPI/PE

Question 1

What are the three “do not miss” skin conditions?

Answer 1

Neisseria meningitis
Toxic shock syndrome
Steven-Johnson syndrome

Question 2

What is the correct way to use a rule to record the size of a lesion?

Answer 2

Measure longest axis first, then perpendicular

Question 3

What is the purpose of using a penlight?

Answer 3

Tangential or side lighting to distinguish flat vs raised and solid vs fluid filled

Question 4

What is the purpose of a dermatoscope?

Answer 4

Magnification to evaluate patterns in pigmented lesions

Question 5

What is the purpose of a blacklight?

Answer 5

Fluorescence of fungal infections (i.e. ringworm)

Question 6

What is the purpose of KOH?

Answer 6

Destroys normal epithelial cells and leaves fungal cells untouched

Question 7

What are the “hidden areas” of the TBSE?

Answer 7

Conchal bowl (adjacent to external auditory meatus)
Medial canthi (angular junction of the eyelids)
Alar grooves (nasal)

Question 8

What three infections fluoresce under Wood’s lamp?

Answer 8

Tineas
Lice
Candidiasis

Question 9

What three infections will test positive on a Tzanck smear?

Answer 9

Varicella (chickenpox)
Herpes zoster
HSV

Question 10

What infection has a spaghetti and meatball appearance on KOH?

Answer 10

Tinea versicolor