All India Institute of Medical Sciences 2005 M.D /MS Entrance - Question Paper

a) Incidence rate
b) Relative risk
c) Attributable risk
d) Absolute risk
120. It is probable that physician have a higher index of suspicion for tuberculosis in children without BCG scar than those with BCG scar. It this is so and an association is obtained ranging from Tuberculosis and not having BCG scar, the association may be due to:
a) Selection bias
b) Interviewer bias ans
c) Surveillance bias
d) Non-response bias
121. When an intervention is applied to community to evaluate its usefulness, it is termed as a trial for:
a) Efficacy
b) Effectiveness
c) Efficiency
d) Effect modification
122. The drug of option for treating cholera in pregnant women is:
a) Tetracycline
b) Doxycycline
c) Furazolidone
d) Cotrimoxazole
123. The most common reason of blindness in India is:
a) Cataract
b) Trachoma
c) Refractive errors
d) Vitamin A deficiency
124. In a study 400 smokers and 600 non-smokers were followed up over a period of 10 years to obtain out the incidence of hypertension. The subsequent table summarizes the data at the end of the study:
Hypertension Yes No Total
Smoking Yes 120 280 400
No 30 570 600
Total 150 850 1000
The risk ratio in this study is:
a) 0.06
b) 0.60
c) 6.0
d) 60.0

125. In the WHO recommended EPI Cluster sampling for assessing primary immunization coverage, the age group of children to be surveyed is:
a) 0-12 months
b) 6-12 months
c) 9-12 months
d) 12-23 months

126. Of the various epidemiological study designs available to test the association
ranging from risk factor and disease, the best design is of :
a) Case-control study.
b) Ecological study.
c) Cohort study.
d) Cross-sectional study.

127. If the objective of the investigatior is to asasess the incidence of tuberculosis infection in a community, the most improper methodology would be to :
a) Identify all individuals with positive tuberculin test.
b) Perform sputum exam of chest symptomatics.
c) Identify new converters to Tuberculin test.
d) Screen all under-five children with Tuberculin test.

128. All of the subsequent statements are actual about the childhood mortality rates in India other than :

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