Allergies

Question 1

What are the 4 types of hypersensitivity?

Answer 1

1: IgE mediated
2. Cytotoxic
3. Immune complex
4. Delayed

Question 2

What is atopy?

Answer 2

Reaction to environmental antigens due to a barrier defect

Question 3

3 locations on the body that tend to be impacted by atopic dermatitis?

Answer 3

Armpit, face, face

Question 4

How do we diagnose atopic dermatitis?

Answer 4

Usually history and clinical signs
Intradermal skin test most effective
Can also do an ELISA but not as good

Question 5

3 ways we manage atopic dermatitis?

Answer 5

Medical management
Desensitisation
Epidermal barrier function
Secondary infection management

Question 6

What is the most common ectoparasite allergy? What type of reaction(s) is it?

Answer 6

Flea allergy: type 1 and 4

Question 7

Name 3 mites that are associated with hypersensitivity?

Answer 7

Sarcoptes/otodectes/cheyletiela

Question 8

Why might we do a treatment trial for sarcoptes over diagnostic investigations?

Answer 8

Can be difficult to find

Question 9

What is cheyletiella also known as? How can you diagnose?

Answer 9

Walking dandruff
Tape prep as so large and superficial

Question 10

Habronemiasis goes where on horses body? What is it transmitted by?

Answer 10

Ventral abdomen/legs/prepuce/eyes
Fly

Question 11

What type of reaction is allergic contact dermatitis?

Answer 11

Type 4