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Pph2312:Immunology Question Paper

Pph2312:Immunology

Course:Bachelor Of Science In Public Health

Institution: Meru University Of Science And Technology question papers

Exam Year:2013

INSTRUCTIONS: Answer question one and any other two questions
QUESTION ONE – 30 MARKS
a. Give a brief meaning of the following words as used in immunological studies.
i. Haptens (2 Marks)
ii. Opsonization (2 Marks)
iii. Immunogenesis (2 Marks)
iv. Phagocytosis (2 Marks)
v. Immunization (2 Marks)
b. Describe three possible working mechanisms of immunological adjuvants. (6 Marks)
c. What is autoimmunity? (2 Marks)
d. List three autoimmune diseases. (3 Marks)
e. State the meaning of the word inflammation as used in immunological studies. (2 Marks)
f. Briefly state and give functions of three T.Lymphocytes. (3 Marks)
g. Give four examples of auto immune diseases. (4 Marks)
QUESTION TWO – 20 MARKS
Giving examples, discuss the non-specific immune defence mechanism. (20 Marks)
QUESTION THREE – 20 MARKS
a. State and discuss five cardinal signs of inflammation. (10 Marks)
b. What is hypersensitivity? (2 Marks)
c. Giving examples, describe four types of hypersensitivity reactions. (8 Marks)
2
QUESTION FOUR – 20 MARKS
In February 2012, Brenda was blessed with a bouncing baby boy who brought great joy to their five
years of marriage without a child. One day as she visited Miguna Clinic she noticed a poster that
indicated “Campaign against Streptococcus Pneumonia”. At the bottom of the poster she notices the
curves below which did not make such sense to her.
a. Outline the principle behind immunization. (5 Marks)
b. Discuss what is happening in 1, 2 and 3 on the above graph curve. (15 Marks)
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2
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Pph2312:Immunology Question Paper

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