Pml 323: Diagnostic Virology Question Paper
Pml 323: Diagnostic Virology
Course:Bachelor Of Science In Medical Laboratory Sciences
Institution: Maseno University question papers
Exam Year:2015
MASENO UNIVERSITY
UNIVERSITY EXAMINATIONS 2014/2015
THIRD YEAR SECOND SEMESTER EXAMINATIONS FOR THE
DEGREE OF BACHELOR OF SCIENCE IN MEDICAL LABORATORY SCIENCES,
PHARMACEUTICAL SCIENCES AND MEDICAL BIOTECHNOLOGY WITH
INFORMATION TECHNOLOGY
(MAIN CAMPUS)
PML 323: DIAGNOSTIC VIROLOGY
Date: 20th March, 2015 Time: 8.30-10.30am
MASENO UNIVERSITY ISO 9001:2008 CERTIFIED
INSTRUCTIONS: Answer ALL questions Section A and ANY TWO from Section B
SECTION A
1.With the help of a diagram, describe the structure and function of a bacteriophage(5 mks)
2.Describe the following terms:(5 mks)
a)Virion
b)Incubation Period
c)Nucleocapsid
d)Viral envelope
e)Protomer
3.With examples, list ways in which viruses are transmitted into the host organism (5 mks)
4.Give a brief explanation why it is difficult to design vaccines against RNA viruses (5 mks)
5.Describe the replication process of Negative-sense ssRNA viruses (5 mks)
6.Briefly explain the process of cancer causation by the Epstein-Barr virus (5 mks)
7.Mention 5 viral families that belong to group 1-double stranded DNA viruses (5 mks)
8.Briefly describe the pathogenesis of Herpes virus (5 mks)
SECTION B
9.In detail, explain the process involved in viral replication (15 mks)
10.Explain in detail molecular basis for pathogenesis of the HIV virus(15 mks)
11.Describe the process of dengue virus infection (15 mks)
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