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:

Chronological Order

The arrangement of events, numbers, or actions in the sequence that they occurred or were performed.

Debit Normal

Refers to accounts that are increased with a debit transaction and have a natural debit balance, such as assets, expenses, and losses.

Credit Normal

The usual terms or conditions under which credit is extended to customers, including payment due dates and interest rates.

Sales Slip

A document that records the details of a transaction made between a buyer and a seller.