36 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 26

126q: in family welfare programme , score of 1 is given to ?

a. birth rate
b. net reproduction rate
c. achievement of goal
d. total implementation of programme

answer b . net reproduction rate .

127q: severity of disease is assessed by ?

a. secondary attack rate
b. case fatality rate
c. prevalence rate
d. incidence rate

answer b . case fatality rate .

128q: what is false about pertussis ?

a. maternal antibody provides protection in infants
b. fomites play a small role in spread of disease
c. commonly seen in infants
d. males and females are equally affected

answer a . maternal antibody provides protection in infants.

129q: all are true regarding bleaching powder except ?

a. contains about 33 % of available chlorine
b. it is a stable compound
c. white amorphous compound
d. strong bleaching agent

answer b . the true statement is, it is not a stable compound.

130q: which of the following is not transmitted by aedes aegypti ?

a. filariasis
b. yellow fever
c. dengue fever
d. chikungunya hemorrhagic fever

answer a . filariasis .

35 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 25

121q: most common cause of perinatal mortality in India is ?

a. birth defect
b. prematurity
c. G.I infection
d. Asphyxia

answer b . prematurity .

122q: what is false about japanese encephalitis ?

a. pig manifest disease
b. seen in Karnataka
c. man is incidental host
d. extra human reservoir is known

answer a . pigs do not manifest the disease , they act as amplifiers of the virus only

123q: denominator in secondary attack rate is ?

a. number of contacts developing disease
b. total number of person developing disease
c. number of contacts developing disease within maximum incubation period
d. total number of susceptible exposed

answer d . total number of susceptible exposed .

124q: incidence is calculated by ?

a. retrospective study
b. prospective study
c. cross sectional study
d. random study

answer b . prospective study . incidence can be calculated in cohort study which is also known as prospective study . other names of cohort study are longitudinal study , incidence study and forward looking study .

125q: area between one standard deviation on either side of mean in normal distribution curve is ?

a. 62 %
b. 68 %
c. 90 %
d. 99 %

answer b . 68 % . if the question is 2 SD , then it is 95 % and if the question is 3 standard deviations then it is 99 % .