An 80-Year-Old Woman Is Evaluated for Blisters That Have Developed

question 335

Multiple Choice

An 80-year-old woman is evaluated for blisters that have developed on both feet over the past week.  The patient lives in a nursing home due to dementia but has no other chronic medical conditions and takes no medication.  Vital signs are within normal limits.  There are no oral lesions.  Examination findings are shown in the exhibit. 
Which of the following is most likely involved in the pathogenesis of this patient's condition?

• A)Deposition of IgA-containing immune complexes within dermal papillae
• B)Deposition of IgG and complement at the dermal-epidermal junction
• C)Deposition of IgG within the epidermal layer at the intercellular level
• D)Disrupted assembly of keratin into monofilaments
• E)Increased vascular permeability due to gaps between endothelial cells

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Definitions:

Net Fixed Assets

The value of a company's property, plant, and equipment minus depreciation, indicating the tangible assets used in operations.

Receivables Turnover

A ratio that measures a company's efficiency in collecting its sales on credit over a period of time.

Accounts Receivable

Funds owed to a company by customers for products or services that have been delivered or used but not yet paid for.

Equity Multiplier

This financial ratio measures a company’s total assets financed by stockholders, indicating the leverage level relative to equity.