Module 7: Testing Flashcards Preview

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Flashcards in Module 7: Testing Deck (4)
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1

Skin testing

Type I (allergy)
-injection of allergen will cause raised bump 5-7mm within 15min

Type III (arthus reaction)
-Injection of specific Ag results in large (greater than 50mm) bump within 5-10hrs

Type IV (mantoux test)
-Injection of M. tuberculosis.
-pos result is bump greater than 10mm at 48-72hrs

2

Radioimmosorbent test (RIST)

measures level of IgE Ab in the patient sample
Allergic symptomatic patients would have IgE levels greater than 100IU/mL

3

Radioallergosorbent test (RAST)

measures antigen specific IgE levels in the patients sample

4

Histological examination

fluorescent staining of tissue section