AIIMS/ NEET-PG 2017 Community Medicine MCQs 81-90

1. The estimation of prevalence of blindness by blind school survey in place of population based survey would lead to
a) Overestimation
b) Under estimation
c) No difference
d) Data not sufficient

Explanation:
The estimation of prevalence of blindness by blind school survey in place of population based survey would lead to under estimation because of lack of complete population survey in case of blind school survey.

1. While assessing the efficacy of a newly developed drug in comparison to placebo, the 95% confidence interval is used to extract
a) Efficacy of the drug
b) Non efficacy of the drug
c) Both efficacy and non efficacy of the drug
d) Either efficacy or non efficacy of the drug

Answer: Both efficacy and non efficacy of the drug
Explanation:
The 95 % confidence interval indicates the efficacy of drug. Remaining 5 % indicates non-efficacy of drug.
While assessing the efficacy of a newly developed drug in comparison to placebo, the 95% confidence interval is used to extract both efficacy and non efficacy of the drug.

1. Growth monitoring by Anganwadi workers under ICDS programme is bases on which of the following guidelines
a) IAP standards
b) CDC standards
c) NCHS standards
d) MGRS standards

Explanation:
In ICDS, growth monitoring of children (weight-for-age) was done earlier using IAP Classification by modifying Harvard Standards.
WHO and its principal partner, the United Nations University, in collaboration with a number of academic institutions worldwide, undertook the Multicentre Growth Reference Study (MGRS), a community-based, multi-country project to develop new growth standards for infants and young children.
The new WHO child growth standard has been adopted in India with effect from 15 August 2008 by both ICDS and NRHM.
84. According to WHO definition, what is the criterion for considering high endemic area for meningococcal meningitis?
a) < 2 Per 1, 00, 000 populations b) 2-10 Par 1, 00, 000 populations c) > 10 Per 1, 00, 000 populations
d) > 100 Per 1, 00, 000 populations

Answer: > 10 Per 1, 00, 000 populations
Explanation:
WHO recommends that countries with high (>10 cases per 100,000 population/year) or intermediate (2-10 cases per 100,000 population/year) endemic rates and/or frequent epidemics of invasive meningococcal disease conduct appropriate large scale meningococcal vaccination programmes.
In countries where the disease occurs less frequently (<2 cases per 100,000 population/year), meningococcal vaccination is recommended for defined risk groups. Laboratory worker and travelers at risk of exposure should be vaccinated against the prevalent sero-group(s), and vaccination should be offered to all individuals suffering from immunodeficiency.

1. The 3-year bachelor of rural health care (BHRC) degree was recommended by
a) High level expert group on universal health coverage
b) Srivastava committee
c) Central bureau of health investigation (CBHI)
d) Sundar committee

Answer: High level expert group on universal health coverage
Explanation:
The High Level Expert Group (HLEG) on Universal Health Coverage (UHC) was constituted by the Planning Commission of India in October 2010, with the mandate of developing a framework for providing easily accessible and affordable health care to all Indians.
High level expert group on universal health coverage recommended the 3-year bachelor of rural health care (BHRC) degree.

Q-86. Highest mean and lowest mode indicates
a) Positive skewing
b) Negative skewing
c) Normal
d) Symmetrical