UGC NTA NET/JRF Exam, Social Medicine & Community Health, January-2023

An artesian well is defined as a type of well in which water rises above the level of the groundwater because it is held under pressure between two impervious strata. This phenomenon occurs in confined aquifers where water is trapped between layers of impermeable rock or clay, creating natural pressure.

When a well taps into this confined aquifer, the pressure causes the water to rise. Options B, C, and D are incorrect because dug wells are shallow wells, step wells are constructed with steps descending to the water level, and tube wells are deeр wells drilled into the ground, but none of these have the characteristic pressure mechanism of an artesian well.

Cost minimization analysis is the most appropriate economic evaluation method when comparing the costs of a generic drug and a branded equivalent, assuming equal effectiveness has already been established. This analysis focuses solely on minimizing costs between two equally effective alternatives.

Options A, C, and D are incorrect because costeffectiveness analysis compares costs and outcomes (not assuming equal effectiveness), cost-utility analysis incorporates quality of life adjustments, and cost-benefit analysis converts outcomes into monetary terms for comparison, which is not necessary when effectiveness is already established as equal.

A case report is not an observational analytical epidemiological study design. Case reports are descriptive studies focusing on detailed presentations of individual or a few cases, providing insight into new or unusual conditions.

Options A, B, and D are correct as they represent observational analytical study designs. Ecological studies analyze data based on populations or groups, case-control studies compare individuals with and without a condition, and cohort studies follow groups over time to assess the development of outcomes.

As per the National Health Policy 2017, the target to be achieved for the under-5 mortality rate by 2025 is 23 per 1,000 live births. This target aims to reduce child mortality through improved healthcare services and interventions.

Options A, B, and D are incorrect as they suggest different targets. Achieving a rate of 23 per 1,000 live births represents a significant improvement in child health outcomes.

Xenodiagnosis in filaria survey involves allowing mosquitoes to feed on a patient and then dissecting them two weeks later to detect the presence of filarial parasites.

This method helps identify whether mosquitoes are carrying the microfilariae after feeding on an infected individual. Options A, C, and D are incorrect as they describe different aspects of filariasis studies.

Option A refers to studying mosquito breeding places and behaviour, C refers to clinical assessments with blood examination, and D involves microscopic examination of blood smears for microfilariae, none of which describe xenodiagnosis.

The spiritual dimension of health best fits the definition "That part of the individual which reaches out and strives for meaning and purpose in life." This dimension encompasses an individual's values, beliefs, and sense of purpose, contributing to overall well-being and fulfillment.

It involves the pursuit of inner peace, harmony, and a connection with something greater than oneself.

Options A, B, and D are incorrect because the emotional dimension relates to feelings and mood, the mental dimension involves cognitive processes and intellectual capabilities, and the vocational dimension concerns career and occupational satisfaction, none of which focus specifically on meaning and purpose in life.

The scenario described is best explained by a Common Vehicle epidemic. This type of epidemic occurs when a group of people is exposed to a common source of infection, such as contaminated water from a single hand pump, leading to simultaneous cases of illness.

Options B, C, and D are incorrect because a propagation epidemic involves person-to-person transmission, aseasonal epidemic is associated with specific times of the year, and a cyclical epidemic involves periodic increases and decreases in cases over time. The sudden onset of diarrhea among residents using the same water source points to a common vehicle epidemic.

Provision of DOTS (Directly Observed Treatment Shortcourse) for all PLHIV is not a strategy under National AIDS Control Programme Phase IV. DOTS is primarily associated with tuberculosis control, not HIV/AIDS. Options A, C, and D are correct as they represent key strategies under the program.

Targeted interventions focus on high-risk groups, blood transfusion services ensure safe blood supply, and integrated testing and counseling services provide comprehensive HIV testing and counseling. These strategies aim to reduce HIV transmission and improve care for those living with HIV/AIDS.

In the context of the three delays analysis of causes of maternal deaths by WHO, "Delay 2" is the delay in reaching the health facility. This delay can occur due to lack of transportation, poor road conditions, or long distances to health facilities, preventing timely access to necessary care.

Options A, B, and D are incorrect because Delay 1 refers to the delay in recognizing the problem and deciding to seek care, and Delay 3 is the delay in receiving adequate treatment once a woman has arrived at the health facility. Addressing Delay 2 involves improving transportation infrastructure and ensuring quick access to healthcare services.