Tuesday, November 15, 2011

433 - AIIMS NOVEMBER 2011 Mcqs with answers - part 5

21.Using a new technique, Hb was estimated in a blood sample. The test was repeated for 10 times. The reports were : 9.5, 9.2, 9.4, 9.6, 9.7, 9.9, 10.2, 10.3, 10.5, 12.1. Accurate value of Hb was estimated by standard tests to be 10.2. The new technique has
a.High validity and high reliability
b.Low validity and low reliability
c.High validity and low reliability
d.Low validity and high reliability

22.In a study in UK, an association was found between sale of antiarrythmic drug and an increase in deaths due to asthma. This is an example of
a.Ecological study
b.Cohort study
c.Case reference study
d.Experimental study

23.Which epidemiological study gives the most accurate result
a.Meta analysis
b.Cross-sectional study
c.Randomized control trial with double blinding
d.Cohort study

24.The following drug is not useful for MRSA

25.An elderly male presented with fever, chest pain and dry cough, sputum cultured on charcoal yeast medium, the organism is
b.Moraxella catarrhalis
d.Burkholderia cepacia

1 comment:

Anonymous said...

24. here another option is vancomycin

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