PACKRAT Exam Master Study Guide (COMPLETE) 100% Correct Answers Verified Latest 2024 Version
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PACKRAT Exam Master Study Guide
(COMPLETE) 100% Correct Answers |
Verified | Latest 2024 Version
History & Physical/Dermatology
A patient presents with a rash, characterized by red macules and edematous papules with a clearing
center. This best describes which of the following?
Answers
A. er...
PACKRAT Exam Master Study Guide
(COMPLETE) 100% Correct Answers |
Verified | Latest 2024 Version
History & Physical/Dermatology
A patient presents with a rash, characterized by red macules and edematous papules with a clearing
center. This best describes which of the following?
Answers
A. erythema marginatum
B. erythema multiforme
C. varicella
D. impetigo - ✔✔Explanations
(u) A. Erythema marginatum is associated with rheumatic fever and is characterized by macular to
maculopapular lesions. A clearing center is not found in the rash.
(c) B. Target lesions, also termed iris lesions, are characteristic of erythema multiforme. The rash may be
recurrent but typically resolves over 3-6 weeks.
(u) C. The rash of varicella typically has maculopapules, vesicles, and scabs in various stages of
development. A clearing center is not found in the rash.
(u) D. The lesions of impetigo are pustules that form a honey-colored crust after rupturing.
History & Physical/Dermatology
A patient presents with a rash, characterized by red macules and edematous papules with a clearing
center. This best describes which of the following?
Answers
A. erythema marginatum
B. erythema multiforme
C. varicella
D. impetigo - ✔✔Explanations
(u) A. Erythema marginatum is associated with rheumatic fever and is characterized by macular to
maculopapular lesions. A clearing center is not found in the rash.
(c) B. Target lesions, also termed iris lesions, are characteristic of erythema multiforme. The rash may be
recurrent but typically resolves over 3-6 weeks.
,(u) C. The rash of varicella typically has maculopapules, vesicles, and scabs in various stages of
development. A clearing center is not found in the rash.
(u) D. The lesions of impetigo are pustules that form a honey-colored crust after rupturing.
History & Physical/Dermatology
In a patient suspected of having seborrheic dermatitis, the most common site of involvement would be
the
10
Answers
A. upper extremities.
B. thighs.
C. scalp.
D. feet. - ✔✔Explanations
(u) A. See C for explanation.
(u) B. See C for explanation.
(c) C. The most common site of involvement of seborrheic dermatitis is the scalp. Other common sites
include the eyebrows, eyelids, nasolabial fold, and ears.
(u) D. See C for explanation.
History & Physical/Dermatology
In a patient suspected of having seborrheic dermatitis, the most common site of involvement would be
the
10
Answers
A. upper extremities.
B. thighs.
C. scalp.
D. feet. - ✔✔Explanations
(u) A. See C for explanation.
(u) B. See C for explanation.
(c) C. The most common site of involvement of seborrheic dermatitis is the scalp. Other common sites
include the eyebrows, eyelids, nasolabial fold, and ears.
,(u) D. See C for explanation.
Diagnostic Studies/Dermatology
A 26 year-old male complains of intense itching, especially at night and after hot showers, for the past 4
days. On physical examination he has a few red papules and areas of excoriation on his volar wrists,
between his fingers, and around his waist. Proper diagnosis should include which of the following tests?
Answers
A. KOH prep
B. Gram stain
C. Skin scraping microscopy
D. Tzanck prep - ✔✔Explanations
(u) A. A KOH prep would be used to examine for evidence of a fungal infection.
(u) B. A Gram stain would be used for a bacterial infection and would be inappropriate in this situation.
(c) C. The history and exam is consistent with a scabies infection. Scrapings from the burrows should be
examined for the presence of mites, eggs, and feces.
(u) D. A Tzanck prep would be used to examine for giant multinucleated cells characteristic of a herpes
infection.
Diagnostic Studies/Dermatology
A 26 year-old male complains of intense itching, especially at night and after hot showers, for the past 4
days. On physical examination he has a few red papules and areas of excoriation on his volar wrists,
between his fingers, and around his waist. Proper diagnosis should include which of the following tests?
Answers
A. KOH prep
B. Gram stain
C. Skin scraping microscopy
D. Tzanck prep - ✔✔Explanations
(u) A. A KOH prep would be used to examine for evidence of a fungal infection.
(u) B. A Gram stain would be used for a bacterial infection and would be inappropriate in this situation.
(c) C. The history and exam is consistent with a scabies infection. Scrapings from the burrows should be
examined for the presence of mites, eggs, and feces.
(u) D. A Tzanck prep would be used to examine for giant multinucleated cells characteristic of a herpes
infection.
, Diagnostic Studies/Dermatology
A 35 year-old female who recently returned from a backpacking trip complains of fatigue, malaise, fever,
chills, and arthralgias. Physical examination reveals a 6 cm annular lesion with a red border and a clear
center on her mid-back. Which of the following laboratory tests would support your diagnosis?
Answers
A. KOH prep of skin scrapings B. Blood cultures
C. RAST testing
D. Serologic antibody testing - ✔✔Explanations
(u) A. Although the skin lesion may resemble a fungal infection, a fungal dermatophyte would not
present with systemic symptoms.
(u) B. Culturing of <i>Borrelia burgdorferi</i> from clinical specimens, with the exception of skin biopsies
at the site of the lesion, have resulted in low yields.
(u) C. RAST testing is utilized in evaluation of allergies and is not indicated in this situation.
(c) D. Most people with Lyme Disease will have a positive serologic test after the first few weeks of
infection and this would support the diagnosis.
Diagnostic Studies/Dermatology
A 35 year-old female who recently returned from a backpacking trip complains of fatigue, malaise, fever,
chills, and arthralgias. Physical examination reveals a 6 cm annular lesion with a red border and a clear
center on her mid-back. Which of the following laboratory tests would support your diagnosis?
Answers
A. KOH prep of skin scrapings B. Blood cultures
C. RAST testing
D. Serologic antibody testing - ✔✔Explanations
(u) A. Although the skin lesion may resemble a fungal infection, a fungal dermatophyte would not
present with systemic symptoms.
(u) B. Culturing of <i>Borrelia burgdorferi</i> from clinical specimens, with the exception of skin biopsies
at the site of the lesion, have resulted in low yields.
(u) C. RAST testing is utilized in evaluation of allergies and is not indicated in this situation.
(c) D. Most people with Lyme Disease will have a positive serologic test after the first few weeks of
infection and this would support the diagnosis.
Diagnosis/Dermatology
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