Which study design is most effective for investigating rare adverse effects of a drug?
ACohort study
BCross-sectional study
CCase-control study
DClinical trial/experimental study
In a screening test for DM out of 1000 population, 90 were positive. When the gold standard test was applied to the entire population, 100 were found to have the disease. Assuming all 90 screening positives were confirmed as true positives by the gold standard, calculate the sensitivity.
AAll positives identified by the test assumed as true positives (100%)
BTrue positives divided by total actual positives (90%)
CUnderestimated true positives divided by total actual positives (80%)
DTotal positives identified by the test divided by total actual positives (90%)
A soldier from Siachen came in emergency. How will you rule out hypothermia?
AMeasure temperature via nasal route
BMeasure temperature via oral route
CMeasure temperature via tympanic route
DMeasure temperature via rectal route
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