Pph2312:Immunology Question Paper
Pph2312:Immunology
Course:Bachelor Of Science In Public Health
Institution: Meru University Of Science And Technology question papers
Exam Year:2010
INSTRUCTIONS: Answer questions one and any other two questions
QUESTION ONE - (30 MARKS)
a) Describe the various mechanisms of innate immunity. (5 Marks)
b) The lymphoid system is composed of primary and secondary lymphoid organs. Briefly
describe them giving examples. (10 Marks)
c) Describe the process of phagocytosis using well labeled diagrams. (5 Marks)
d) Outline the cells of both the innate and adaptive immune system and state their functions.
(6 Marks)
e) Describe common challenges of immunization. (4 Marks)
QUESTION TWO – (20 MARKS)
a) Describe the immunoglobulin structure using a well labeled diagram. (5 Marks)
b) Discuss the immunoglobulin classes and their roles in defense against pathogens. Use
well labeled diagrams. (15 Marks)
QUESTION THREE – (20 MARKS)
The route of vaccination is an important determinant of success in immunization. Discuss the
statement. (20 Marks)
QUESTION FOUR – (20 MARKS)
Discuss the mechanism for antigen processing and presentation via MCH class I and class II
molecules to T lymphocytes. (20 Marks)
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