A 12-Year-Old Boy Is Brought to the Office Due to a Week

question 295

Multiple Choice

A 12-year-old boy is brought to the office due to a week of nonproductive cough and rash.  He has also had low-grade fevers, malaise, and headaches.  The patient has no prior medical conditions and is up to date with immunizations.  Lung examination reveals bilateral crackles and wheezes.  There is a diffuse rash on his torso and extremities as shown in the exhibit. 
Which of the following is the most likely cause of this patient's skin lesions?

• A)Cytotoxic T-cell-mediated epithelial injury
• B)Inflammatory reaction in subcutaneous fat
• C)Keratinocyte hyperproliferation and parakeratosis
• D)Subepidermal immunoglobulin A deposition
• E)Vasoactive mediator release from mast cells

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Definitions:

Annual Sales

The total revenue a company generates from its operations over a one-year period.

Net Income

The total profit of a company after all expenses, taxes, and costs have been deducted from total revenue, indicating the financial performance in a given period.

Total Revenue

Total Revenue is the full amount of income generated by the sale of goods or services related to a company's primary operations.

Profit Margin

A financial metric that measures the amount of net income earned with each dollar of sales generated by comparing net income and revenue.