1
DERM ROSH 2 Questions and
Answers (100% Correct Answers)
Already Graded A+
27yo w presents to provider w a rash over her entire torso&
some on her arms/legs. vital signs are normal. reports mild
© 2026 Assignment
itchiness that improves w diphenhydramine but is anxious
about the rash & how to make it go away. no recent changes to
her hygiene cosmetic products/laundry products. healthy
Guru01 - Stuvia
overall but did complete a 10day course of sulfamethoxazole-
Expert
trimethoprim for a UTI 2 days ago.she has a morbilliform
rash& no hives pustules or petechiae. mucous membranes are
not involved& her face palms & soles are spared. Based on her
history & exam a reaction to the antibiotic is suspected cause
of rash& she is given reassurance the rash should self-resolve
in the next 1-2weeks. Which is responsible for her reaction&
rash?
Antigen exposure causing release of vasoactive substances
Antigen exposure sensitizing T cells which then mediate tissue
injury
Formation or deposition of antigen-antibody complexes in
vessels or tissue Ans: Formation or deposition of antigen-
antibody complexes in vessels or tissue
Is the Nikolsky sign likely to be a positive or negative finding
in erythema multiforme? Ans: Answer Negative.
, 2
Which of the following genera of bacteria is most commonly
associated with the development of acne vulgaris?
● ACutibacterium
● BDemodex
● CStaphylococcus
● DStreptococcus Ans: ● ACutibacterium
© 2026 Assignment
What is acne excoriee des jeunes filles? Ans: Answer A form of
Guru01 - Stuvia
acne vulgaris that is most common in young women with
Expert
psychiatric illnesses where the patient scratches and picks
acne lesions, which leads to open wounds and scarring.
A 30-year-old woman presents to her dermatologist. She states
she has recently been sunbathing, but her tan is not even. She
has noticed some whitish patches under her arms and across
her chest. Her only medication is an oral contraceptive. She
recalls having a similar reaction to the sun as a child where
only her face was affected. Her mother had a similar reaction
to sun exposure. Which of the following would be the initial
test for this condition?
● AAntinuclear antibody testing
● BPotassium hydroxide preparation
● CPunch biopsy
● DTzank smear Ans: ● BPotassium hydroxide preparation
, 3
Which condition is an immunoglobulin A-mediated small
vessel vasculitis that presents as palpable purpura? Ans:
Answer Henoch-Schönlein purpura, also known as
immunoglobulin A vasculitis.
Which of the following statements is true regarding a measles
exanthem?
● AIt appears approximately two to four days after the onset of
fever
© 2026 Assignment
● BIt begins on the wrists and ankles
Guru01 - Stuvia
● CIt consists of blanching lesions in later stages of the
Expert
exanthem
● DIt consists of widespread Koplik spots Ans: ● A It appears
approximately two to four days after the onset of fever
What is the most common cause of measles-associated deaths
in children? Ans: Answer Pneumonia.
An 80-year-old man presents to the clinic with a well-
demarcated and nonpurulent rash that is raised from the
surrounding skin and located in a butterfly distribution on his
bilateral cheeks. The rash is erythematous, edematous, and
warm to touch. He is febrile with a temperature of 101.6°F. He
is diagnosed with erysipelas. Which of the following findings
suggests erysipelas rather than cellulitis?
● AClear demarcation between the involved and uninvolved
skin
● BLymphadenopathy
, 4
● CThe presence of purulent drainage
● DWarmth of the skin Ans: ● AClear demarcation between the
involved and uninvolved skin
What is Milian ear sign? Ans: Answer Milian ear sign is when
erysipelas involves the ear. This sign is helpful in
distinguishing cellulitis and erysipelas since the ear does not
have deep dermis tissue. Thus, Milian ear sign indicates a
diagnosis of erysipelas rather than cellulitis.
© 2026 Assignment
A 22-year-old woman presents to the emergency department
with a burn to her right lower arm. She states she accidentally
Guru01 - Stuvia
spilled a pot of boiling water on her arm while cooking. On
Expert
physical exam, there is a large blister with surrounding
erythema approximately 4 centimeters in diameter on the
volar aspect of the patient’s lower right arm. The blister is
easily unroofed when palpated and reveals mottled white and
red tissue that does not blanch with pressure. Which of the
following best describes this patient’s burn?
● ADeep partial-thickness
● BFull-thickness
● CSuperficial
● DSuperficial partial-thickness Ans: ● ADeep partial-thickness
How much of the total body surface area does the head
represent in the rule of nines classification system? Ans:
Answer
9%.
DERM ROSH 2 Questions and
Answers (100% Correct Answers)
Already Graded A+
27yo w presents to provider w a rash over her entire torso&
some on her arms/legs. vital signs are normal. reports mild
© 2026 Assignment
itchiness that improves w diphenhydramine but is anxious
about the rash & how to make it go away. no recent changes to
her hygiene cosmetic products/laundry products. healthy
Guru01 - Stuvia
overall but did complete a 10day course of sulfamethoxazole-
Expert
trimethoprim for a UTI 2 days ago.she has a morbilliform
rash& no hives pustules or petechiae. mucous membranes are
not involved& her face palms & soles are spared. Based on her
history & exam a reaction to the antibiotic is suspected cause
of rash& she is given reassurance the rash should self-resolve
in the next 1-2weeks. Which is responsible for her reaction&
rash?
Antigen exposure causing release of vasoactive substances
Antigen exposure sensitizing T cells which then mediate tissue
injury
Formation or deposition of antigen-antibody complexes in
vessels or tissue Ans: Formation or deposition of antigen-
antibody complexes in vessels or tissue
Is the Nikolsky sign likely to be a positive or negative finding
in erythema multiforme? Ans: Answer Negative.
, 2
Which of the following genera of bacteria is most commonly
associated with the development of acne vulgaris?
● ACutibacterium
● BDemodex
● CStaphylococcus
● DStreptococcus Ans: ● ACutibacterium
© 2026 Assignment
What is acne excoriee des jeunes filles? Ans: Answer A form of
Guru01 - Stuvia
acne vulgaris that is most common in young women with
Expert
psychiatric illnesses where the patient scratches and picks
acne lesions, which leads to open wounds and scarring.
A 30-year-old woman presents to her dermatologist. She states
she has recently been sunbathing, but her tan is not even. She
has noticed some whitish patches under her arms and across
her chest. Her only medication is an oral contraceptive. She
recalls having a similar reaction to the sun as a child where
only her face was affected. Her mother had a similar reaction
to sun exposure. Which of the following would be the initial
test for this condition?
● AAntinuclear antibody testing
● BPotassium hydroxide preparation
● CPunch biopsy
● DTzank smear Ans: ● BPotassium hydroxide preparation
, 3
Which condition is an immunoglobulin A-mediated small
vessel vasculitis that presents as palpable purpura? Ans:
Answer Henoch-Schönlein purpura, also known as
immunoglobulin A vasculitis.
Which of the following statements is true regarding a measles
exanthem?
● AIt appears approximately two to four days after the onset of
fever
© 2026 Assignment
● BIt begins on the wrists and ankles
Guru01 - Stuvia
● CIt consists of blanching lesions in later stages of the
Expert
exanthem
● DIt consists of widespread Koplik spots Ans: ● A It appears
approximately two to four days after the onset of fever
What is the most common cause of measles-associated deaths
in children? Ans: Answer Pneumonia.
An 80-year-old man presents to the clinic with a well-
demarcated and nonpurulent rash that is raised from the
surrounding skin and located in a butterfly distribution on his
bilateral cheeks. The rash is erythematous, edematous, and
warm to touch. He is febrile with a temperature of 101.6°F. He
is diagnosed with erysipelas. Which of the following findings
suggests erysipelas rather than cellulitis?
● AClear demarcation between the involved and uninvolved
skin
● BLymphadenopathy
, 4
● CThe presence of purulent drainage
● DWarmth of the skin Ans: ● AClear demarcation between the
involved and uninvolved skin
What is Milian ear sign? Ans: Answer Milian ear sign is when
erysipelas involves the ear. This sign is helpful in
distinguishing cellulitis and erysipelas since the ear does not
have deep dermis tissue. Thus, Milian ear sign indicates a
diagnosis of erysipelas rather than cellulitis.
© 2026 Assignment
A 22-year-old woman presents to the emergency department
with a burn to her right lower arm. She states she accidentally
Guru01 - Stuvia
spilled a pot of boiling water on her arm while cooking. On
Expert
physical exam, there is a large blister with surrounding
erythema approximately 4 centimeters in diameter on the
volar aspect of the patient’s lower right arm. The blister is
easily unroofed when palpated and reveals mottled white and
red tissue that does not blanch with pressure. Which of the
following best describes this patient’s burn?
● ADeep partial-thickness
● BFull-thickness
● CSuperficial
● DSuperficial partial-thickness Ans: ● ADeep partial-thickness
How much of the total body surface area does the head
represent in the rule of nines classification system? Ans:
Answer
9%.