The Expression of Several Antigens from Two Different Lineages Complicates

question 19

Multiple Choice

The expression of several antigens from two different lineages complicates the categorizing the diagnosis as AML or ALL. This biphenotypic expression toward more than one lineage restricts the use of immunophenotyping. In differentiating AML and ALL, staining with which of the following cytochemical stains indicates AML?

• A) PAS
• B) Giemsa
• C) Myeloperoxidase
• D) Thiazole orange

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Definitions:

Accounts Receivable

Money owed to a company by its customers for goods or services that have been delivered or used but not yet paid for.

Standard Deviation

A measure of dispersion in a set of values, indicating how much variation exists from the average.

Population Mean

The average of all values in a population, representing the central point of a data set.

Standard Error

The standard deviation of the sampling distribution of a statistic, typically the mean, indicating the precision of the statistic.