Strawberry Tongue – Friday Pop Quiz 5/5/2023
A 6-year-old girl is taken to the emergency department by her parents for a fever, which the patient has had for a 5 day duration. She has bilateral bulbar conjunctival injection without exudate, edema of the feet, and no lymphadenopathy. Her skin exam reveals scattered, dusky erythematous macules and patches, many of which were targetoid, on the torso and extremities. She also has the picture …
A 6-year-old girl is taken to the emergency department by her parents for a fever, which the patient has had for a 5 day duration. She has bilateral bulbar conjunctival injection without exudate, edema of the feet, and no lymphadenopathy. Her skin exam reveals scattered, dusky erythematous macules and patches, many of which were targetoid, on the torso and extremities. She also has the picture … Continue reading "Strawberry Tongue – Friday Pop Quiz 5/5/2023"
You are asked to evaluate this 44 year old man with a history of diabetes and housing insecurity who is currently in the emergency room. He is also on metformin. The area is exquisitely tender. What is the best first step in your work-up?
A. Deep punch biopsy (double-punch) to evaluate subcutaneous tissue
B. Bacterial and fungal swab
C. Imaging and surgical consult
D. Oral doxycycl … 
A 15-year-old girl comes to the clinic with her mother for dry, itchy skin that waxes and wanes for years. The patient states it worsens in the dry winter, along with during times of stress and anxiety. Examination reveals the findings pictured. What is the function of the gene product most commonly mutated in for this condition?
A. Initiate and maintain intercellular adhesion of keratinocy … 
A 48-year-old man is admitted for fever and malaise and is treated with antibiotics. Approximately 10 days after initiation of antibiotics, the patient’s skin, including the mucous membranes, blisters and desquamates, as shown. Which of the following laboratory findings is most likely to prognosticate the patient’s mortality?
A. Body surface area involvement
B. Heart rate
C. Serum … 
Which of the following cell types is most likely to be found on a Wright-Giemsa stain of fluid from the lesions shown on this 2-day-old child?
A. Basophils
B. Eosinophils
C. Histiocytes
D. Mast cells
E. Neutrophils
To find out the correct answer and read the explanation, click here.
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