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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:2014

INSTRUCTIONS: Answer questions one and any other two questions
QUESTION ONE (30 MARKS)
a) Define the following terms. (5 Marks)
i. Pathogen
ii. Apoptosis
iii. Opsonization
iv. Cytokines
v. Phagocytosis
b) Compare and contrast innate versus adaptive immunity. (5 Marks)
c) Describe the functions of complement system. (5 Marks)
d) Outline the functions associated with antibodies. (5 Marks)
e) Describe antigen presenting cells (APCs) and their significance in adaptive immunity.
(3 Marks)
f) Differentiate between natural killer (NK) cells and lymphocytes. (2 Marks)
g) Describe how tolerance against self antigens is maintained in a normal healthy person.
(5 Marks)
QUESTION TWO (20 MARKS)
Discuss humoral and cell mediated immunity in reference to adaptive immunity. (20 Marks)
QUESTION THREE (20 MARKS)
Discuss the mechanisms involved in innate immunity. (20 Marks)
2
QUESTION FOUR (20 MARKS)
Discuss the common challenges of immunization in Kenya and suggest solutions to the said
challenges. (20 Marks)

Pph2312:Immunology Question Paper

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