7831 Social & Preventive Medicine True about PPV is, APPV is proportional to prevalence (Correct Answer)BPPV is Inversely proportional to prevalenceCPPV has no relation with prevalenceDPPV doubles with decrease in prevalence
7832 Social & Preventive Medicine Not true about meningococcal meningitis AIs gram negative organismBCarriers are the source of infectionCCarriers are treated with penicillin (Correct Answer)DTransmitted via droplet infection
7833 Social & Preventive Medicine Mass chemoprophylaxis in endemic area is recommeded for all of the following, except AYawsBLeprosy (Correct Answer)CTrachomaDFilaria
7834 Social & Preventive Medicine Diagnostic power of the test is reflected by: ASensitivityBSpecificityCPredictive value (Correct Answer)DPopulation attributable risk
7835 Social & Preventive Medicine Probability samplings are all except ASimple random samplingBSystematic random samplingCCluster samplingDQuota sampling (Correct Answer)
7836 Social & Preventive Medicine HIV sentinel surveillance provides data mainly for: ATo assess the quality of related servicesBTo identify high risk populationCTo estimate disease incidenceDTo monitor disease trends (Correct Answer)
7837 Social & Preventive Medicine Auditory fatigue occurs at —-Hz- A2000B3000C4000 (Correct Answer)D8000
7838 Social & Preventive Medicine All of the following are true about Epidemic typhus except AAlso known as Flea born typhus (Correct Answer)BCausative agent is Rickettsial prowazekkiCVector - LouseDTetracycline is drug of choice
7839 Social & Preventive Medicine In a subcenter population, Crude bih rate(CBR) is 20. What is the minimum expected number of pregnancies registered with ANM? A110B120C55 (Correct Answer)D100