Kaplan meier method is used for?
a . survival
Incidence can be calculated by?
a. case control study
b. cross sectional study
c. prospective study
d. retrospective study
All are true about cluster sampling except?
a. sample size is same as that of simple random sampling
False about indian reference female is?
a. weighs 55 kg
b. age 20-39yrs
c. 8 hours of moderate work
d. walking and recreation for 2 hours
Not true about breast milk is?
a. maximum output is seen at 12 month
b. breast milk protein is a reference protein
c. calcium utilization from breast milk is more than cows milk
d. coefficient of absorption of iron is 70%
Lepromin test is ured for?
d. epidemiological investigation
Fish is a poor source of?
d. vit a
False about vaccines is?
a. thiomersal is preservative in dpt
b.kanamycin is preservative in measels
c. mgcl2 is stabilizer used in opv
d. neomycin is preservative in bcg
True about bcg vaccination is?
a. tuberculin test is positive after 6 weeks of vaccination
b. inj site should be cleaned with spirit
c. who recommends danish1331 strain for vaccine
d. diluent uesd is either distilled water or normal saline
Shortest incubation period is of?
b. hep b
c. hep a
Increase in false positive is seen in?
a. high prevalance
b. low prevalance
c. high specificity
d. high sensitivity
Plastic wrapper of surgical syringe should be discarded in?
a blue bag
False about DDT is?
a. contact poison
b. residual effect lasts for 18 moths
c. causes immediate death
d. permethrin has synergistic action
All are larva control measures except?
b. intermittent irrigation
c. ddt d. paris green
Not a part of safe strategy?
b. vit a supplementation
c. face wash
Goals of national population policy are a/e?
a. bring down TFR to replacement level by 2015
b. decrease IMR to 30/1000
c. decrease MMR to 100/100000
d. 100% registration of birth death and pregnancy