Observe the Flow Cytometry Cross- Match Protocol in the Table

question 5

Multiple Choice

Observe the flow cytometry cross- match protocol in the table and interpret it. FITC is fluoroscein isothiocyanate which fluoresces green, and PE stands for phycoerythrin which fluoresces red.

• A)This is a positive B cell cross- match.
• B)This procedure must be repeated because it was performed incorrectly.
• C)This procedure must be repeated because no fluorescence was detected in tube 1.
• D)This procedure must be repeated because both fluorochromes were detected in tube 2.
• E)This is a positive T cell cross- match.

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Definitions:

Place Theory

A theory in hearing that proposes the perception of sound pitch is determined by the location of maximum vibration on the basilar membrane of the inner ear.

Pitch Perception

The ability of an individual to recognize and differentiate sounds based on their frequency, enabling us to identify musical notes, tones, and the inflection in speech.

Basilar Membrane

A structure in the cochlea of the inner ear that plays a key role in the sense of hearing by vibrating in response to sound.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, responsible for most of the eye's focusing power.