A 46-Year-Old Man Comes to the Physician Complaining of Intermittent

question 250

Multiple Choice

A 46-year-old man comes to the physician complaining of intermittent, bloody diarrhea and abdominal pain for the past month.  He has lost 12 lbs (5.5 kg) during this period.  He was diagnosed with HIV five years ago, but has been noncompliant with his antiretroviral medications.  Laboratory results show a CD4 count of 50 cells/µL and viral load of 650,000 copies/mL.  Colonoscopy reveals multiple hemorrhagic polypoidal lesions.  Biopsy of these lesions reveals spindle cells with surrounding blood vessel proliferation.  Which of the following is the most likely cause of this patient's diarrhea?

• A)Adenocarcinoma
• B)Cytomegalovirus
• C)Cryptosporidium
• D)Entamoeba histolytica
• E)Kaposi's sarcoma
• F)Ulcerative colitis

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Definitions:

Net Income

The remaining earnings of a business following the deduction of all expenses and tax liabilities from its total revenue.

ROE

Return on Equity is a measure of financial performance calculated by dividing net income by shareholders' equity, indicating how well a company utilizes investments to generate earnings growth.

Current Ratio

The Current Ratio is a liquidity ratio that measures a company's ability to pay short-term obligations or those due within one year, by comparing a company's current assets to its current liabilities.

Inventories

Assets consisting of goods available for sale to customers in the ordinary course of business.