Unacceptable Quality Control Results for the Antiglobulin Test Performed in Test

question 35

Multiple Choice

Unacceptable quality control results for the antiglobulin test performed in test tubes may be noticed if:

• A)preventive maintenance has not been performed on the cell washer.
• B)the technologist performing the test was never trained.
• C)the reagents used were improperly stored.
• D)all of the above.

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Definitions:

Z Test

A statistical test used to determine if there is a significant difference between a sample mean and a population mean, assuming data is normally distributed.

Standard Error

Standard error measures the precision of a sample mean estimate of a population mean, indicating how much the sample mean is expected to fluctuate from the true population mean.

Population Average

The mean value of a given characteristic within an entire population.

Sample Mean

The average of all observations in a sample, calculated by summing the values and dividing by the sample size.