While Performing an Antibody Screen, a Test Reaction Is Observed

question 70

Multiple Choice

While performing an antibody screen, a test reaction is observed that is suspected to be rouleaux. A saline replacement test is done, and the reaction remains. What is the best interpretation?

• A) The original reaction was rouleaux and may be ignored.
• B) The replacement test is invalid and should be repeated.
• C) The original reaction was due to true agglutination.
• D) The antibody screen is negative.

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Definitions:

Preoperational

A stage in Jean Piaget's theory of cognitive development where children from ages 2 to 7 engage in symbolic play and struggle with logic and taking the perspective of others.

Nonstage Theories

Cognitive development theories that argue against the idea of distinct, universal stages of cognitive growth, suggesting instead that development is a more continuous and fluid process.

Gradual Acquisition

The slow and steady process of learning or obtaining knowledge or skills over time.

Memory Capacity

The amount of information that can be held in memory, encompassing short-term, long-term, and working memory capacities.