25 Questions
What is the key difference between an allergy and toxicity?
Allergies are immune-based, while toxicities are non-specific.
Which type of hypersensitivity involves an immediate, IgE-mediated reaction like anaphylaxis?
Type I
What is the primary reason why allergies are not dose-dependent?
Small doses of allergens can still trigger a reaction.
Which route of entry for allergic reactions involves hay fever and asthma?
Inhalational
What is the key characteristic of Type IV hypersensitivity?
Delayed hypersensitivity involving T cells
Why must dental teams be knowledgeable about managing anaphylaxis?
To address immediate IgE-mediated reactions.
What oral side effect can salazopyrene have?
Lichenoid reactions
What is a possible allergic reaction to toothpastes and mouthwashes?
Contact stomatitis
What is the best method to test for type IV hypersensitivity?
Patch testing
Which drug can cause a side effect of loss of taste?
Penecillamine
What is a symptom of Angioedema?
Deeper swelling affecting the skin and sometimes upper airway
What is a possible allergic reaction to creams, ointments, and impression materials?
Gingival desquamation and granulomatous reactions
What filling material can cause a lichenoid reaction on the buccal mucosa?
Amalgam
What are 4 adverse effects associated with Local Anesthetics (LA)?
Allergic reactions due to blocking of ion channels in cell membranes
What are 4 ways type IV hypersensitivity can occur orally?
Contact sensitivity due to cosmetic work
What drugs can cause a side effect of oral ulceration?
NSAIDs and Methotrexate
What is the main cause of chronic angioedema according to the text?
Medicines
Which type of food allergy reaction is characterized by symptoms like perioral erythema, lip swelling, and nausea + vomiting?
Immediate
What type of reaction is a delayed food allergy, and what distinguishes it from an immediate reaction?
Delayed hypersensitivity reaction - Onset in hours to weeks
Which condition is specifically characterized by symptoms like eczema, joint pain, and urinary frequency?
Delayed food allergy
What is the main allergen that causes Oral Allergy Syndrome?
Bet vl 2 found in apples and birch
Which test is specifically used for delayed hypersensitivity reactions?
Patch tests on skin
What medication can be used for the treatment of allergies according to the text?
Prophylactic antihistamines
In the context of allergies, what do pollen allergies mainly arise from?
Pollen mainly from birch trees
What age group tends to develop pollen allergies more frequently based on the information provided?
Adults
Test your knowledge about allergic reactions and toxicity. Learn about the routes of entry for allergic reactions and the defining features of both allergies and toxicities.
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