Basic Nutrition Epidemiology Question Paper

Basic Nutrition Epidemiology

Course:Bachelor Of Science In Food, Nutrition And Dietetics

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2008/2009
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR
OF SCIENCE IN FOODS, NUTRITION AND DIETETICS
HFN 300: BASIC NUTRITION EPIDEMIOLOGY

DATE: Wednesday 16th September, 2009 TIME: 11.00 a.m. – 1.00 p.m.

INSTRUCTIONS
Answer ALL questions.

QUESTION ONE
Giving relevant examples differentiate between the following terms as used in
epidemiology:
i. Pseudo-epidemic and Epidemic [2 marks]
ii. Prevalence and population at risk. [2 marks]
iii. Secondary and primary disease prevention [4 marks]
iv. Incidence and prognosis [2 marks]
v. Rates, Proportions and ratios. [3 marks]

QUESTION TWO
The Host-Agent-Environment model is used in epidemiology to describe disease occurrence. Giving relevant examples discuss the three components of this model.
[15 marks]

QUESTION THREE
List and explain 7 characteristics of a good screening test.
[12 marks]

QUESTION FOUR
Briefly discuss clinical medicine versus Epidemiology.
[8 marks]

QUESTION FIVE
In Kenyatta University with a population of 4000 students, there were 100 cases
of cholera and 50 deaths due to the same in 2007. Calculate the following; (assume k = 100)
i. The case fatality rate in 2007. [2 marks]
ii. The cause specific death rate in 2007. [2 marks]
iii. the prevalence rate of cholera in 2007. [2 marks]
iv. If the total number of people who had cholera in KU by February 2008
was 150, calculate the incidence rate of cholera by February of 2008.
[3 marks]

QUESTION SIX
You have been contracted by an NGO to carry out a population screening exercise
for TB in a given community. Discuss the steps you would apply in screening to
come up with the number of persons infected with TB in the said community.
[13 marks]

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