MAY 2017 Sub. Code: 1255
M.Sc. MEDICAL LABORATORY TECHNOLOGY EXAMS
FIRST YEAR
PAPER V EPIDEMIOLOGY AND BIOSTATISTICS
Q.P. Code: 281255
Time: Three hours Maximum: 100 Marks
I. Elaborate on: x 20 40)
1. Discuss the various criteria in causal association epidemiology.
2. Explain the procedure of testing of hypothesis in detail.
II. Write notes on: (10 x 6 60)
1. Describe about the various modes of transmission of a disease.
2. Explain the concept of screening tests.
3. Discuss the methods for controlling communicable and non-communicable
diseases.
4. Write a note on sensitivity in terms of diagnostic procedure.
5. Describe the situation of using paired-t test.
6. Explain about chi-square test.
7. Discuss about the need of regression analysis in the field of biostatistics.
8. Write a note on confidence intervals and its uses.
9. What do you mean by central tendencies, how it is useful in health sciences?
10. Explain about sign test.