DAY 3 - ALLERGY AND SKIN TESTING
QUESTIONS AND ANSWERS WITH
SOLUTIONS AND ANSWERS WITH
SOLUTIONS 2024
What are four types of allergy tests? - ANSWER Skin tests, in vitro tests, patch tests, and photopatch tests
What are two types of skin tests? - ANSWER Prick/Puncture and intradermal
What are two types of in vitro tests? - ANSWER Immunoassays and total serum IgE
What type of hypersensitivity does patch tests test for? - ANSWER Type IV
What does skin tests detect? - ANSWER Presence of allergen-specific IgE
How long do skin tests take? - ANSWER 15-20 minutes
Rapid, sensitive, and cost-effective testing
List contraindications for skin tests. - ANSWER Those high risk for anaphylaxis (elderly, pregnant)
Those with recent anaphylactic event (within previous month)
Those with medications that interfere with anaphylaxis treatment (ie. beta-blockers and/or ACEi/ARBs)
Those with skin conditions (ie. dermatographism, urticaria, or atopic dermatitis)
Skin tests can be used to test what medication allergy (only one). - ANSWER Penicillin allergy.
Antihistamines interfere with skin tests. How long must you discontinue H1 and H2RAs prior to skin test?
- ANSWER H1 = 7 days prior
H2RAs >/= 2 days prior
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