Paper I — 2024 December (Supplementary) (2019 Scheme) — Qxvi

Paper I

2024 December (Supplementary) (2019 Scheme) · 100 marks · 180 min

Question

The hypersensitivity reaction associated with this condition is

• a) Type-I
• b) Type-II
• c) Type-III
• d) Type-IV

Qxvi1 marksMCQs★✓

Answer

Correct answer: a) Type-I

This clinical picture (acute breathlessness, facial/lip swelling, watering eyes/nose, minutes after a bee sting) is anaphylaxis — a systemic Type I (IgE-mediated, immediate) hypersensitivity reaction, triggered by mast cell/basophil degranulation upon re-exposure to bee venom allergen cross-linking pre-bound IgE.

Related Concepts

1. 1Type I Hypersensitivity

Other Years Asked

1. 1Type 1 Hypersensitivity reaction2022 July (Supplementary) (2019 Scheme)Short Answer · 4 marks
2. 2Type-I hyper sensitivity reaction.2023 January (Supplementary) (2019 Scheme)Short Answer · 4 marks
3. 3Release of which of the following chemical mediators is most likely responsible for this finding2024 December (Supplementary) (2019 Scheme)MCQ · 1 mark
4. 4Which of the following immunoglobulins play a major role in this reaction2024 December (Supplementary) (2019 Scheme)MCQ · 1 mark
5. 5Type I hypersensitivity reaction mediated by ------------------- antibody2024 March (Supplementary) (2019 Scheme)1 mark
6. 6Which of the following cytokine is NOT secreted by TH2 cells2024 December (Supplementary) (2019 Scheme)MCQ · 1 mark