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Introduction To Principles Of Immunology Question Paper

Introduction To Principles Of Immunology

Course:Bachelor Of Science In Environmental Health

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
SECOND SEMESTER EXAMINATIONS 2008/2009
UNIVERSITY EXAMINATIONS FOR DEGREE OF BACHELOR OF SCIENCE
(ENVIRONMENTAL HEALTH)

HEH 110: INTRODUCTION TO PRINCIPLES OF IMMUNOLOGY

DATE: Monday 14th September 2009
TIME: 2.00pm-4.00pm

INSTRUCTIONS:
Answer all questions in Section 1 and Section 2 Part 1 and any two in Section 2
part II

SECTION I (20MARKS)

Q1.
Outline the steps essential for phagocytosis of bacteria.

[5marks]

Q2.
Explain the results of complement
activation. [5marks]

Q3.
Explain the mode of action of adjuvants and state two commonly used adjuvants.

[5marks]
Q4.
How can B and T Lymphocytes be distinguished in the laboratory. [5marks]

SECTION 2
Part I
Q5.
a)
Explain the basic structure of immunoglobulins.

[5marks]

b)
State the various types of immunoglobulins and state the functions of each

type.

[15marks]

PART II
(Answer any 2 questions)
Q6.
Compare and contrast specific and non specific immunity.
[15marks]

Q7.
Explain three major ways in which micro-organisms can avoid being killed by a
phagocytic
cell. [15marks]

Q8.
With examples, explain the classification of hypersensitivity.
[15marks]

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