Session 1

Question 1

How long does it take a type I hypersensitivity reaction to occur?

Answer 1

Immediate reaction (less than 30 mins)

Question 2

What are the different types of type I hypersensitivity reactions?

Answer 2

Local reaction or systemic reaction

Question 3

Under what conditions would you get a type I hypersensitivity local reaction?

Answer 3

Ingested or inhaled allergen

Question 4

How would you get a type I hypersensitivity systemic reaction?

Answer 4

Insect sting or IV administration

Question 5

What are the antigens that cause the type I hypersensitivity reaction?

Answer 5

Allergens - environmental, non infectious antigens (proteins)

Question 6

Give an example of a seasonal allergen that might cause a type I hypersensitivity reaction?

Answer 6

Seasonal exposure

Question 7

Give an example of a perennial exposure that might cause a type I hypersensitivity reaction?

Answer 7

House dust mite, animal dander = cats and dogs and fungal spores

Question 8

Give an example of accidental exposure that might cause type I hypersensitivity reaction?

Answer 8

Insect venom, medicines, chemicals such as latex and foods eg milk, peanuts, nuts etc.

Question 9

What is the mechanism behind the type I hypersensitivity reaction?

Answer 9

I