A Patient Has a White Cell Count of 12 $\kappa$ Light Chains Present on Their Surface

question 10

Multiple Choice

A patient has a white cell count of 12.6 *10⁹/L, hematocrit of 28%, and platelet count of 27*10⁹/L. Examination of a Wright-stained blood film reveals that almost all of the white cells in peripheral blood are blasts; the bone marrow is hypercellular with very little fat and is packed with blasts. Flow cytometry is performed on the peripheral blood cells, and a large cluster of cells is present that mark with CD20 and have monoclonal $\kappa$ light chains present on their surface. This patient has a:

• A) Myeloid leukemia
• B) Mature B-cell malignancy
• C) Reactive B-cell hyperplasia
• D) Mature T-cell malignancy

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Definitions:

Comprehensive Income

The total change in equity for a reporting period other than from transactions with owners, including all revenues, gains, expenses, and losses.

Equity

The value of an owner's interest in a property or business, determined by subtracting liabilities from assets.

Trading Securities

Marketable securities held by a firm with the intent of short-term trading for profit, which are classified as current assets on the balance sheet.

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The foundational concepts and guidelines that govern the field of accounting, such as revenue recognition, matching principle, and full disclosure.