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Iph2213:Epidemiology Question Paper

Iph2213:Epidemiology

Course:Bachelor Of Science In Public Health

Institution: Meru University Of Science And Technology question papers

Exam Year:2014

INSTRUCTIONS: Answer questions one and any other two questions
QUESTION ONE - (30 MARKS)
a) Distinguish between primary and secondary prevention of a disease. (2 Marks)
b) Identify ways in which epidemiology is applied to clinical practice. (3 Marks)
c) What does descriptive epidemiology involve? (3 marks)
d) What do you understand by the following terms:
i. Sub clinical disease (2 Marks)
ii. Latent disease (2 Marks)
iii. Herd immunity (2 Marks)
e) State the factors that affect incubation period. (3 Marks)
f) (i) Define “attack rate” (2 Marks)
(ii) Explain the importance of attack rate. (3 Marks)
g) Distinguish between point prevalence and period prevalence. (2 Marks)
h) (i) Define the term incidence. (2 Marks)
(ii) State the uses of incidence. (2 Marks)
i) Differentiate between case fatality rate and mortality rate? (2 Marks)
QUESTION TWO – (20 MARKS)
Discuss prognosis and natural history of disease in a patient. (20 Marks)
QUESTION THREE – (20 MARKS)
Human disease does not occur in a vacuum. Discuss the validity of this statement with reference
to epidemiologic triad of a disease. (20 Marks)
2
QUESTION FOUR – (20 MARKS)
Discuss the following epidemiologic studies in details:
a) Cohort studies (10 Marks)
b) Randomized trials. (10 Marks)

Iph2213:Epidemiology Question Paper

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