The testing of patient blood with potential donor blood is called compatibility testing or crossmatching.

On the flow-time scalar illustrated below, identify the component of the tracing labeled "b."

A. point of end-inspiration B. point of beginning of expiration C. expiratory hold maneuver D. inspiratory hold maneuver

Which of the following is most responsible for the strength and pliancy of the red cell membrane?

a. Glycophorin A b. Spectrin c. Cholesterol d. Ankyrin