W1-2-60-1-6
JOMO KENYATTA UNIVERSITY
OF
AGRICULTURE AND TECHNOLOGY
University Examinations 2015/2016
THIRD YEAR SECOND SEMESTER SPECIAL/SUPPLEMENTARY EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN PUBLIC HEALTH
IPH 2311: COMMUNICABLE DISEASES
DATE: APRIL 2016 TIME: 2 HOURS
INSTRUCTIONS: ANSWER ALL QUESTIONS IN SECTION A AND ANY OTHER ONE QUESTION IN SECTION B
SECTION A (48 MARKS)
1) State the causative agents of the following diseases: (6 Marks)
(i) Syphilis
(ii) Rabies
(iii) Dysentery
(iv) Ringworm
(v) Tuberculosis
(vi) Common cold
2) Explain “chain of infection” in relation to communicable diseases. (6 Marks)
3) a) Briefly explain the importance of disease notification. (3 Marks)
b) Using relevant examples, describe Class 1 notifiable diseases. (3 Marks)
4) Outline six (6) types of disease carriage exhibited in man. (6 Marks)
5) Classify the different modes of transmission of communicable diseases giving an example of a pathogen in each case. (6 Marks)
6) Explain why institutions are a favourable environment as far as disease outbreaks are concerned. (6 Marks)
7) Briefly describe the challenges associated with provision of medical services in emergency situations. (6 Marks)
8) Give reasons for the high incidence of zoonotic diseases among the pastoralist communities in Kenya. (6 Marks)
9) Explain the role of body commensals in causing infectious diseases. (6 Marks)
SECTION B (22 MARKS)
10) Hepatitis means inflammation of the liver:
a) List five (5) aetiological agents of hepatitis. (5 Marks)
b) Describe the spread of Hepatitis B. (7 Marks)
c) Outline ten (10) preventive measures of Hepatitis B. (10 Marks)
10) Discuss the factors that may contribute to an increase in emerging diseases in Kenya today and outline the mitigative measures. (22 Marks)
11) Discuss the communicable diseases preventive measures targeting reservoirs, humans, animals and environment. (22 Marks)
