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National Open University Exam Past Question – CHS 312 MAY/JUNE 2012 EXAMINATION

NATIONAL OPEN UNIVERSITY OF NIGERIA CHS 312 ORAL HEALTH

14-16 AHMADU BELLO WAY, VICTORIA ISLAND LAGOS SCHOOL OF ARTS AND SOCIAL SCIENCES

MAY/JUNE 2012 EXAMINATION

 

 

CHS 312 ORAL HEALTH TIME ALLOWED: 2 HOURS

 

INSTRUCTION: ANSWER ONLY 4 OUT OF 6 QUESTIONS

 

1a. Describe the structures of the human oral cavity.                                  10mks

 

  1. With the aid of a well labeled diagram describe the human tooth 10marks

 

2 a. Describe the epidemiology of common oral diseases                            10mks

 

  1. Enumerate the factors affecting the development of dental caries and its primary prevention. 10mks
  2. a. What is periodontal disease and what factors are responsible for its development?

 

10mks

 

  1. describe the causes and control of halitosis. 10mks

 

4 a. Explain what constitutes dental plaque and how it is formed                10mks b. Outline the steps in removing dental plaque.                                          10mks

  1. 5. a Describe how HIV is transmitted through the oral cavity 10mks b. List the oral symptoms of HIV/AIDS .                                                        10mks
  2. 6. Briefly discuss the following

 

  1. Steps to improve oral health among the elderly b. Uses of Oral health Survey
  2. c. Types and effects of Oral injuries

 

  1. Prevention of Oral cancer

 

5 mks each

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