Reverse Grouping Was Performed on an AB Person

question 59

Multiple Choice

Reverse grouping was performed on an AB person. The technologist observed a very weak agglutination macroscopically. The cells appeared as "stacked coins" under a microscope. Which reagent should be added to the tube before recentrifugation in an attempt to resolve the discrepancy?

• A) Serum
• B) Saline
• C) Water
• D) LISS

Recognize age-related changes and developmental stages unique to young adults.

Analyze the impact of work and education on the life choices of young adults.

Evaluate the role of cognitive development in adulthood.

Identify the effects of substance use on young adults.

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Definitions:

Population Variances

The measures of how much the values in an entire population differ from the mean of that population.

Randomized Block Design

A statistical experimental design that groups subjects into blocks based on certain attributes, then randomly assigns treatments within these blocks to control for variability.

Two-Tail

Pertaining to tests of statistical significance that consider both the upper and lower tails of the distribution to check for extreme values in either direction.

SSE

Sum of Squared Errors, a measure of the total deviation of response values from the fit values in statistical models.