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National Open University Exam Past Question – CHS 317 MAY/JUNE 2012 EXAMINATION

NATIONAL OPEN UNIVERSITY OF NIGERIA CHS 317 IMMUNOLOGY AND IMMUNIZATION

14-16 AHMADU BELLO WAY, VICTORIA ISLAND LAGOS SCHOOL OF SCIENCE AND TECHNOLOGY

MAY/JUNE 2012 EXAMINATION

 

CHS 317 IMMUNOLOGY AND IMMUNIZATION TIME ALLOWED:

 

INSTRUCTIONS: Answer any 5 Questions only.

 

  1. (a). What are component Vaccines.  (5Marks)

(b.). List & Describe the basic strategies of Vaccine distribution.  (15 Marks)

 

 

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

(c). Passive Immunity (d).Drawbacks of passive Immunization  (20 Marks)

 

 

  1. (a)What are Vaccines ?  (2 Marks)

(b). Mention 2 types of Vaccines. (2Marks)

(c). Enumerate Vaccines that are used for NIDs. (16Marks)

 

  1. (a). Define Immunology. (5Marks)

(b). Discuss the roles of Reproductive and Clinical Immunology.(15Marks)

 

  1. 5. List the main components of the immune system and write briefly on any  three (3)  of these components.  (20 Marks)

 

  1. 6. (a). In a tabular form, present the TARGET AGE, DOSAGE, SITE and ROUTE OF ADMINISTRATION for the following Vaccines. –DPT2, DPT3, HBV2, HBV3, OPV3 and Mea (12Marks)

(b). List 8 factors that militate against the success of NIDs in Nigeria. (8Marks)

 

  1. (a). What do you understand by Immunity? (5Marks)

(b). The Table below shows a recommended schedule of immunization for children with HIV- Infection/AIDS. Copy and Complete this table.       (15Marks)

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  Vaccine Asymptomatic HIV

infection

Symptomatic

HIV Infection

Optimal timing of

Immunization

1 BCG      
2 DPT      
3 OPV      
4 Measles      
5 Hepatitis B      

 

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