NATIONAL OPEN UNIVERSITY OF NIGERIA
14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS
SCHOOL OF SCIENCE AND TECHNOLOGY
MARCH/APRIL 2014 EXAMINATION
COURSE CODE: CHS501
COURSE TITLE: INTRODUCTION TO HIV/AIDS.
TIME ALLOWED: 2HOURS
INSTRUCTION: ANSWER ALL QUESTIONS.
1a) Write short notes on
i) Prevalence ii) Pandemic iii) Virion iv) Protease 8MKS
b) Outline the steps involved in the HIV Replication Cycle 10mks
2a) Briefly discuss CD4 cells and their relevance in HIV infection. 10MKS
b) What is an integrase? 7MKS
c) What are the CD8 T cells and their medical importance in HIV infection. 10mkss
3a) Give a brief account of HIV Risk Factors. 10mks
b) How can we prevent or reduce the risk of becoming infected with HIV or
transmit the virus to others ? 10MKS
c) Define HIV counselling and briefly mention its two major aims. 15MKS
4) Progressively discuss the signs and symptoms of HIV/AIDS in a patient. 20MKS
For the 2015 – till date past questions for this course CLICK HERE
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