A Patient Is Suspected of Having HS

question 13

Multiple Choice

A patient is suspected of having HS. However, there appear to be <1% spherocytes on the peripheral blood smear, and the osmotic fragility test is normal. What test could be performed to increase the sensitivity of testing for HS?

• A) Incubated osmotic fragility test
• B) Immunophenotyping for CD55 and CD59
• C) Sucrose hemolysis test
• D) Ham test

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Definitions:

Variable Expense

Expenses that change in proportion to the activity of a business, such as costs for raw materials or production supplies.

Sales Budget

A sales budget estimates the expected sales revenue for a certain period, projecting quantities sold and revenues earned.

Depreciation

The accounting process of allocating the cost of a tangible asset over its useful life.

Merchandise Inventory

Goods that a retailer, wholesaler, or distributor holds for the purpose of resale.