Dermatology Practice UPDATED ACTUAL
Exam Questions and CORRECT Answers
A 14 year old boy presents to your office with complaints of a rash between his fingers and his
groin. You notice sharply marginated patches with subtle discoloration, and maceration between
the fingers. Wood's lamp reveals a coral red fluorescence. Which of the following is the most
likely cause of this condition?
a) Corynebacterium minutissium
b) mechanical factors
c) staph aureus
d) group A strep - CORRECT ANSWER - a) Corynebacterium minutissium
This condition is erythrasma
Intertrigo can be caused by mechanical factors or an infection by bacteria, yeast, fungi, and
viruses
We know this is erythrasma because of the coral red on Wood's lamp
Tx: benzoyl peroxide wash, sanitizing alcohol gel, clindamycin and erythromycin lotion may be
helpful
Which of the following is a concern for a patient who presents with persistent impetigo?
a) scarring
b) progression to ecthyma
c) progression to cellulitis
d) irreversible damage to tissues - CORRECT ANSWER - b) progression to ecthyma
This is a contagious condition caused by staph or Group A strep (esp w. ecthyma)
,this is the MC type of pyoderma
tx: topical/systemic abx
Bullous impetigo would be caused by epidermolytic toxin A from staph aureus and can be
present in SSSS
Which of the following is the best treatment for a patient who presents with redness, weeping,
and maceration of the skin under the breasts? Wood's lamp is negative.
a) eliminate heat and friction
b) topical glucocorticoids
c) topical antifungals
d) two of the above - CORRECT ANSWER - a) eliminate heat and friction
This is a case of intertrigo
Which of the following is best described by multiple locualted dermal and subcutaneous
abscesses connected by interconnecting abscesses that are firm and tender?
a) abscess
b) folliculitis
c) furuncle
d) carbuncle - CORRECT ANSWER - d) carbuncle
A 35 year old woman presents to your office with a red rash on her leg with ill defined borders
that feels hot to the touch. Which of the following are you most concerned about?
a) lyme disease
b) cellulitiis
c) lymphangitis
d) folliculitis - CORRECT ANSWER - b) cellulitiis
, Which of the following is the best treatment for a patient who presents with various bumps under
the axilla?
a) topical antifungals
b) topical glucocorticoids
c) topical antibiotics
d) incision and drainage of each small lesion - CORRECT ANSWER - c) topical
antibiotics
This is likely a case of pseudofolliculitis barbae
Which of the following is the cause for scarlet fever?
a) staph
b) strep
c) candida
d) HSV - CORRECT ANSWER - b) strep
strawberry tongue, pastia lines, forchhemier spots
A mother brings in her child because she is concerned about her child being bitten by a tick.
Which of the following would you expect to see if the patient had lyme disease?
a) vesicles that appear on the trunk
b) a maculopapular rash at the site of the bite
c) erythema migrans at the site of the bite that extends centrifugally to form lesions w/ a distinct
red border
d) punch out ulcers on the hands, feet, and mouth - CORRECT ANSWER - c) erythema
migrans at the site of the bite that extends centrifugally to form lesions w/ a distinct red border
A 14 year old girl presents with concerns of well-demarcated light spots on her body that do not
tan well. Woods lamp appears green. Which of the following is the most likely cause of this?
Exam Questions and CORRECT Answers
A 14 year old boy presents to your office with complaints of a rash between his fingers and his
groin. You notice sharply marginated patches with subtle discoloration, and maceration between
the fingers. Wood's lamp reveals a coral red fluorescence. Which of the following is the most
likely cause of this condition?
a) Corynebacterium minutissium
b) mechanical factors
c) staph aureus
d) group A strep - CORRECT ANSWER - a) Corynebacterium minutissium
This condition is erythrasma
Intertrigo can be caused by mechanical factors or an infection by bacteria, yeast, fungi, and
viruses
We know this is erythrasma because of the coral red on Wood's lamp
Tx: benzoyl peroxide wash, sanitizing alcohol gel, clindamycin and erythromycin lotion may be
helpful
Which of the following is a concern for a patient who presents with persistent impetigo?
a) scarring
b) progression to ecthyma
c) progression to cellulitis
d) irreversible damage to tissues - CORRECT ANSWER - b) progression to ecthyma
This is a contagious condition caused by staph or Group A strep (esp w. ecthyma)
,this is the MC type of pyoderma
tx: topical/systemic abx
Bullous impetigo would be caused by epidermolytic toxin A from staph aureus and can be
present in SSSS
Which of the following is the best treatment for a patient who presents with redness, weeping,
and maceration of the skin under the breasts? Wood's lamp is negative.
a) eliminate heat and friction
b) topical glucocorticoids
c) topical antifungals
d) two of the above - CORRECT ANSWER - a) eliminate heat and friction
This is a case of intertrigo
Which of the following is best described by multiple locualted dermal and subcutaneous
abscesses connected by interconnecting abscesses that are firm and tender?
a) abscess
b) folliculitis
c) furuncle
d) carbuncle - CORRECT ANSWER - d) carbuncle
A 35 year old woman presents to your office with a red rash on her leg with ill defined borders
that feels hot to the touch. Which of the following are you most concerned about?
a) lyme disease
b) cellulitiis
c) lymphangitis
d) folliculitis - CORRECT ANSWER - b) cellulitiis
, Which of the following is the best treatment for a patient who presents with various bumps under
the axilla?
a) topical antifungals
b) topical glucocorticoids
c) topical antibiotics
d) incision and drainage of each small lesion - CORRECT ANSWER - c) topical
antibiotics
This is likely a case of pseudofolliculitis barbae
Which of the following is the cause for scarlet fever?
a) staph
b) strep
c) candida
d) HSV - CORRECT ANSWER - b) strep
strawberry tongue, pastia lines, forchhemier spots
A mother brings in her child because she is concerned about her child being bitten by a tick.
Which of the following would you expect to see if the patient had lyme disease?
a) vesicles that appear on the trunk
b) a maculopapular rash at the site of the bite
c) erythema migrans at the site of the bite that extends centrifugally to form lesions w/ a distinct
red border
d) punch out ulcers on the hands, feet, and mouth - CORRECT ANSWER - c) erythema
migrans at the site of the bite that extends centrifugally to form lesions w/ a distinct red border
A 14 year old girl presents with concerns of well-demarcated light spots on her body that do not
tan well. Woods lamp appears green. Which of the following is the most likely cause of this?
