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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