Correct option is A
Sol. Life expectancy is a key indicator of mortality, as it represents the average number of years a person can expect to live, which is influenced by death rates in a population.
Explanation of each option:
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(a) Life Expectancy –
Correct answer. Life expectancy is directly related to mortality rates, as it reflects the number of years a person is expected to live based on current mortality trends.
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(b) Notification Rate – This is a measure of the number of cases of a particular disease reported to health authorities, not directly related to mortality.
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(c) DALY – Disability-Adjusted Life Years (DALY) is an indicator of the overall burden of disease, combining both mortality and morbidity, but it is not strictly a mortality indicator.
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(d) Bed turn-over ratio – This refers to the rate at which patients are admitted and discharged in a healthcare facility and is not a mortality indicator.