Immune System: Immune System Diseases

Question 1

What are the 3 types immune system diseases?

Answer 1

1. anaphylaxis
2. autoimmune diseases
3. immunodeficiency

Question 2

What is anaphylaxis (allergies)? (2)

Answer 2

1. Binding of an Ag to IgE covered mast cells or basophils leading to the release of chemical mediators (histamine)
2. Ag’s can be vaccines, drugs, pollens/molds, food ingredients, insect bites

Question 3

What are the clinical signs for anaphylaxis (allergies)? (7)

Answer 3

1. Shock
2. Hives
3. Nasal/ocular discharge
4. Asthma
5. Vomiting
6. Diarrhea
7. Dermatitis

Question 4

What are autoimmune diseases?

Answer 4

Antibodies against the animal’s own normal cells are formed causing their destruction

Question 5

What are the examples of autoimmune diseases? (4)

Answer 5

1. Autoimmune hemolytic anemia (AIHA)
2. autoimmune thrombocytopenia (decrease)
3. pemphigus
4. myasthenia gravis

Question 6

What is Pemphigus?

Answer 6

autoimmune diseases that affect the skin and mucous membranes

Question 7

What is Myasthenia gravis?

Answer 7

weakness and rapid fatigue of any of the muscles

Question 8

What is an immunodeficiency?

Answer 8

Lack of the immune system components necessary to provide immunity

Question 9

What is an example of immunodeficiency? (2)

Answer 9

1. combined immunodeficiency in horses (Arabians)

2. they don’t make any lymphocytes