148 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 41

206q: the experiment study for which most accurate result is obtained

a. randomized CT with double blinding
b. retrospective cohort study
c. cross sectional study
d. meta analysis

 answer  a . randomized CT with double blinding .

207q: any loss or abnormality of psychological , physiological or anatomical structure or function is ?

a. impairment
b. disability
c. handicap
d. disease

 answer  a . impairment .

208q: a data is arranged as satisfied , very satisfied , dissatisfied . this is a ?

a. nominal data
b. ordinal data
c. interval data
d. ratio

 answer  b . ordinal data .

209q: all can be incenirated except ?

a. cytotoxic waste
b. sharps
c. anatomical waste
d. infectious waste

 answer  b . sharps .

210q: herd immunity all are true except ?

a. herd structure is constant
b. it is mostly due to subclinical infection
c. can be aquired by immunization
d. spread of epidemic is influenced by it

 answer  a is false becoz herd structure is not constant .