An Immediate Spin Crossmatch Was Performed Using Recipient Serum and Donor

question 7

Multiple Choice

An immediate spin crossmatch was performed using recipient serum and donor cells from a group AB unit. At immediate spin, the reaction was 4+. What is the reason for this positive reaction?

• A) ABO incompatibility
• B) An alloantibody
• C) Positive DAT on donor cells
• D) Positive DAT on recipient cells

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Definitions:

Procedural Memory

A type of long-term memory involved in the unconscious memory of skills and how to perform certain tasks.

Skiing

A winter sport involving the movement over snow with the help of skis attached to each foot.

Explicit

Clearly and directly expressed or demonstrated, leaving no room for confusion or ambiguity.

Procedural Memory

The aspect of long-term memory that enables people to perform tasks without conscious awareness of having learned them, such as riding a bike.