216q: under eradication of congenital rubella syndrome program the first priority group for rubella vaccination is ?
a. all non pregnant women of age 15 to 34
b. all adolescent non pregnant girls 15 to 24 years of age
c. all female children at one year
d. all non pregnant women
217q: the highest percentages of PUFAs are present in ?
a. ground nut oil
b. palm oil
c. margarine
d. soya bean oil
218q: cluster sampling all are true except ?
a. obtained by stratification of population
b. according to study design the sample size will vary
c. can be done by random sampling from groups
d. similar to simple random sampling
219q: the major purpose of randomization in clinical trials is to ?
a. facilitate double blinding
b. help ensure that the study subjects are representative of the general population
c. ensure that the groups are comparable on baseline characterisitics
d. reduce selection bias in allocation of treatment
220q: about IUCD all are true except ?
a. efficiency of lippes loop and copper-T are almost same
b. used as an emergency contraception upto 5 days post exposure
c. LNG IUCD has a life span of 5 years
d. Multiload copper-T belongs to third generation
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