B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Third Semester
Microbiology and Clinical lab Technology
CLINICAL IMMUNOLOGY
(CBCS 2015 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all the questions.
Define/comment/write short notes on:
1. Plasma cells
2. Spleen
3. Epitope
4. Opsonisation
5. Apoptosis
6. Cytokines
7. Allograft
8. Serum sickness
9. Antisera
10. Precipitation
Sub. Code
5BMC3C1
AFF-5008
2
Ws7
Part B x 5 25)
Answer all questions by choosing either or
11. Comment on blood group antigens.
Or
Depict and explain the structure of thymus.
12. Enumerate the properties of antigens.
Or
Classify immunoglobins.
13. Comment on acquired immunity.
Or
Discuss the process of immunity against bacterial
pathogens.
14. What is acute rejection? How it happens?
Or
Comment on erythroblastosis fetalis.
15. Distinguish between single and double
immunodiffusion.
Or
Give an account on immunoelectrophoresis.
Part C x 10 30)
Answer any three questions.
16. Explain the classical complement pathway.
17. Our body is capable of producing antibody against several
antigens-discuss.
18. Lymphokines do play a major role in executing the
immunity-clarify.
AFF-5008
3
Ws7
19. Explain type I hypersensitivity.
20. Illustrate and explain the competitive ELISA technique.
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