7. In your handout or through an online research, read about the pathogen for wh

Question

7. In your handout or through an online research, read about the pathogen for which your “patients” were being tested. Then, review your patient profiles and results. Identify at least one patient that had results that surprised you. Explain why you found those results surprising. (ELISA TEST for Lyme disease)

Sample Color Test Result Positive ControlLight Purple Weak positive Negative Control PatientA PatientB PatientC PatientD Patient E Patient Table (1): Elisa test results for samples A-F. The Purple represents a positive result (+), the light Purple represents weak positive results (+/-), And the green represents a negative results (-) Green Purple Green Green Negative Positive Negative Negative Light purpleWeak positive Green Negative Purple Positive

Explanation / Answer

Patient E test result is surprising because he has clear cut symptoms of Lyme's disease ( a solid, red rash on his leg and also has been suffering from headaches and fatigue) while the result is negative (green).

The test for lyme disease is very much insensitive and a negative test result does not mean you don’t have Lyme. There are many reasons for false (negative) test result: There may not have been time for antibodies to develop; suppressed immune system; or infection with a different strain of organism.

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