41 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 31

156q: true about cross sectional study are all except ?

a. less expensive
b. less time required
c. many outcomes are possible
d. relationship between cause and effect possible

answer d. relationship between cause and effect possible

157q: chandler’s index is meant for ?

a. filariasis
b. ankylostoma
c. guinea worm
d. round worm

answer b. ankylostoma .

158q: extra calories required during lactation ?

answer 550 kcal .

159q: all are true regarding case fatality rate except ?

a. killing power of disease
b. more useful in chronic diseases
c. value changes with different epidemic
d. time interval is not considered

answer b . it is rarely useful in chronic diseases .

160q: time interval between primary and secondary case is ?

a. serial interval
b. extrinsic incubation period
c. period of communicability
d. intrinsic incubation period

answer a. serial interval

40 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 30

151q: mosquitoes act as intermediate vector for ?

a. cholera
b. typhoid
c. filarial
d. all the above

answer c . filariasis only .

152q: which is true about typhoid carrier ?

a. sputum or milk may be the source
b. excreted more in feces than in urine
c. occurs more commonly in female
d. bacilli are excreted for 4-6 months only

answer b . excreted more in feces than in urine .

153q: in case fatality rate , true is ?

a. numerator is always constant
b. denominator is always constant
c. numerator and denominator are proportion of each other
d. numerator and denominator are two separate entities

answer d. numerator and denominator are two separate entities

154q: for studying relationship of hypertension as etiological agent of CVS diseases , study used is

a. longitudinal study
b. cohort study
c. random sampling
d. cross sectional study

answer a . longitudinal study .

155q: when frequency is given as mild , moderate and severe , method used is ?

a. ratio
b. nominal
c. variance
d. interval

answer b. nominal .