150 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 43

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

 answer  a. all non pregnant women of age 15 to 34 .

217q: the highest percentages of PUFAs are present in ?

a. ground nut oil
b. palm oil
c. margarine
d. soya bean oil

 answer  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

 answer  d is false becoz it is not similar to 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

 answer  c . ensure that the groups are comparable on baseline characterisitics

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

 answer  d . multiload copper-T does not belong to third generation .