Any activity undertaken by a person who believes himself to be healthy, for the purpose of preventing disease or detecting disease in asymptomatic stage is known as:

Correct option is C

Sol. Screening is done to detect disease in asymptomatic individuals.
Explanation of each option:
· (a) Health behaviour – Incorrect. Health behaviour refers to actions taken by individuals to maintain or improve their health, such as exercise, diet, and avoiding risky behaviors. It is not specifically related to disease detection.
· (b) Self-care – Incorrect. Self-care involves daily habits and actions taken by an individual to maintain their health and well-being, such as personal hygiene, managing stress, and taking care of minor health concerns. It is not related to formal disease screening.
· (c) Screening – Correct. Screening involves preventive check-ups and tests designed to detect potential diseases in individuals who are asymptomatic (i.e., those who do not show symptoms). The goal of screening is early detection and intervention.
· (d) Clinical care – Incorrect. Clinical care is focused on diagnosing and treating conditions in individuals who are symptomatic or already diagnosed with a disease. It is not aimed at detecting undiagnosed diseases in asymptomatic individuals.