QuestionSBA
QuestionChoice
Allergic rhinitis is a common inflammatory condition of the nasal mucosa that is characterised by nasal pruritus, sneezing, rhinorrhoea, and nasal congestion. It is not triggered by food and does not cause systemic features, therefore this answer is not correct.
10008098
d
Allergic rhinitis
QuestionChoice
Based on the presentation, this is the most appropriate answer. Anaphylaxis is a quick IgE-mediated type I hypersensitivity reaction that is characterised by tongue swelling, shortness of breath, urticaria, pruritus, gastrointestinal manifestation, and signs of shock. It is in keeping with the urticaria and angioedema demonstrated by this patient.
10008095
a
Anaphylactic shock
QuestionChoice
Asthma is an inflammatory airway condition that can be worsened by certain triggers such as dust, pet hair, and pollen. However, it would not manifest with urticaria and vomiting, and so is not the correct answer.
10008096
b
Asthma
QuestionChoice
Acute urticaria is an IgE mediated reaction to certain allergens such as pet hair and insect bites. It is characterised by local inflammation manifesting as itchy red wheals, sometimes associated with swelling. It does not present with systemic features such as shortness of breath or tongue swelling.
10008097
c
Acute urticaria
QuestionChoice
A simple food allergy would not be expected to cause tongue swelling or shortness of breath. Most commonly, it presents as pruritus, urticaria, and diarrhoea/vomiting after eating food that the patient is allergic to.
10008099
e
Simple food allergy
Concept
Chapter
2693
4091
Hypersensitivity reactions
Topic
158
Immunology
14166
A 5-year-old boy attends a friend's birthday party. Soon after the food is served, he develops generalised urticaria and repeated vomiting. His tongue is swollen and he is struggling to breathe. His mother decides to call the ambulance.

Which of the following is the most likely explanation for his symptoms?
a