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

Correct option is C

Sol. Screening is the process of testing healthy individuals for early signs of disease before symptoms appear. It helps in early detection and management of conditions like cancer, diabetes, and hypertension. Common screening tests include blood pressure measurement, mammography, and cholesterol checks.
Explanation of Each Option:
· Health behavior: Incorrect; refers to lifestyle choices that affect health, like exercise and diet.
· Self-care: Incorrect; involves personal healthcare activities like taking medicines or maintaining hygiene.
· Screening: Correct answer; identifies diseases at an early, asymptomatic stage.
· Clinical care: Incorrect; refers to treatment provided by healthcare professionals.