A 64-Year-Old Man Is Evaluated for a 1-Month History of Worsening

question 153

Multiple Choice

A 64-year-old man is evaluated for a 1-month history of worsening fatigue and low back pain exacerbated by movement.  He has no prior medical history and takes no medications.  Vital signs are normal.  Physical examination shows mucosal pallor and bony tenderness.  Radiographs reveal lytic bone lesions.  Laboratory studies show that hemoglobin is 8.8 g/dL, serum creatinine is 3.0 g/dL, and serum calcium is 10.8 g/dL.  Urine dipstick is negative for protein, but quantitative measurement reveals elevated 24-hour urinary protein excretion.  Urine electrophoresis is most likely to detect which of the following?

• A)Gamma heavy chains
• B)Immunoglobulin A
• C)Immunoglobulin G
• D)Immunoglobulin M
• E)Lambda light chains

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Definitions:

Risky Asset

An investment that has a significant degree of uncertainty in its returns.

Asset Allocation

The process of spreading investments among various categories of assets (e.g., stocks, bonds, real estate) to optimize risk and return.

Risk Tolerance

The degree of variability in investment returns that an investor is willing to withstand.

Financial Statements

Formal records of the financial activities and position of a business, individual, or other entity, including the balance sheet, income statement, and cash flow statement.