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National Open University Exam Past Question – CHS 317 JANUARY, 2013 Examination

National Open University of Nigeria, Lagos. CHS 317 IMMUNOLOGY AND IMMUNIZATION

School of Science and Technology,

 

 

DATE: WEDNESDAY 30TH JANUARY, 2013

 

Time Allowed:                      3Hrs.

 

COURSE CODE/TITLE:              CHS 317 IMMUNOLOGY AND IMMUNIZATION

 

INSTRUCTION:                      Answer any 5 Questions only.

 

  1. Describe the basic strategies of Vaccine distribution. (20 Marks)

 

 

  1. Write short notes on the following: (a). Vaccination (b). Active immunity

(c). Passive Immunity. (20 Marks)

 

 

  1. Enumerate Vaccines that are used for NIDs. (20 Marks)

 

 

 

  1. The Table below shows a recommended schedule of immunization for children with

 

HIV-Infection/AIDS. Copy and Complete this table.      (20 Marks)

 

 

 

  Vaccine Asymptomatic  HIV

infection

Symptomatic

HIV Infection

Optimal timing of

Immunization

1 BCG      
2 DPT      
3 OPV      
4 Measles      
5 Hepatitis B      

 

 

 

 

  1. Distinguish between Clinical and Reproductive Immunity. (20 Marks)

 

 

 

  1. What factors are known to militate against the success of NIDs in Nigeria? (20 Marks)

 

 

 

  1. 7. Describe 3 of the components of Immune sys (20 Marks)
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