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Anhe 0215: Immunology And General Disease Control Question Paper

Anhe 0215: Immunology And General Disease Control

Course:Diploma In Animal Health And Production

Institution: Chuka University question papers

Exam Year:2012

CHUKA UNIVERSITY

COLLEGE

UNIVERSITY EXAMINATIONS

SECOND YEAR EXAMINATION FOR THE AWARD OF
DIPLOMA IN ANIMAL HEALTH & PRODUCTION

ANHE 0215: IMMUNOLOGY AND GENERAL DISEASE CONTROL

STREAMS: DIP ANHE Y2S2 TIME: 2 HOURS
DAY/DATE: TUESDAY 11/12/2012 8.30 A.M – 10.30 A.M.
INSTRUCTIONS:

Answer all questions in Section A and any two in Section B.

SECTION A: (40 MARKS) Answer all questions.

Q1. (a) What is serum? [2 marks]

(b) What is blood plasma and how is it prepared? [3 marks]

(c) What kind of reactions are immunodiffusion techniques used to
study? [3 marks]

(d) Why is fluorescent antibody test important? [2 marks]

Q2. (a) List five factors that influence the spread of animal diseases. [5 marks]

(b) What is the difference between live and dead (killed) vaccines? [2 marks]

(c) What is the purpose of vaccination? [3 marks]

Q3. (a) What is (i) premunity; (ii) antiserum or hyperimmune serum? [4 marks]

(b) Name eight types of cells that are involved in immune response. [4 marks]

(c) Name four types of immunoglobulins. [2 marks]

Q4. (a) Define the following: [5 marks]

(i) Immunology

(ii) Infection

(iii) Endemic disease

(iv) Epidemic disease

(v) Quarantine

(b) How does the immune response come about after vaccination? [3 marks]

(c) Why are polyvalent or multivalent vaccines produced? [2 marks]

SECTION B: (30 MARKS) Answer any two questions.

Q5. (a) Name and explain five infection routes through which disease causing
agents can be transmitted. [10 marks]

(b) With regard to immune response, what happens when an animal’s body is
invaded by a foreign body? [5 marks]

Q6. (a) Classify and explain acquired (specific) immunity. [10 marks]

(b) Name two primary lymphoid organs and three secondary lymphoid organs.
[5 marks]

Q7. (a) Describe the functions of macrophages. [5 marks]

(b) What is the role of temperature rise as an immune response? [5 marks]

(c) What is an antigen? [2 marks]

(d) Name three classes of antigens. [3 marks]

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Anhe 0215: Immunology And General Disease Control Question Paper

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