RAST Activity

Question 2

An allergist performs skin testing on a patient because every time he mows his lawn, he gets severe hayfever. The test result is negative for all antigens tested. She decides to do a bermuda grass RAST on the patient. The RAST tells her _________________ .

The patient is taking allergy medication which blocks the wheal and flare reaction.

The patient is allergic to ragweed, not bermuda grass.

The levels of bermuda grass specific IgE in the patient.

The patient's levels of total IgE since radiolabeled anti-IgE is used in the RAST.

Immunological Techniques
University of Arizona
Monday, October 6, 2008
douglas.lake@asu.edu