## **Core Concept**
Primary health care (PHC) is an essential health care approach that is based on practical, scientifically sound, and socially acceptable methods and technology made universally accessible to individuals and families in the community through their full participation and at a cost that the community and country can afford. It includes elements like health education, nutrition, sanitation, and prevention and treatment of local endemic diseases.

## **Why the Correct Answer is Right**
The correct answer, , is an element not typically included in the classic definition of primary health care. Primary health care focuses on prevention, community participation, and basic curative care. usually involves more specialized and often hospital-based care.

## **Why Each Wrong Option is Incorrect**
* **Option A:** is indeed an element of primary health care, focusing on health education on prevailing health problems and ways of preventing and controlling them.
* **Option B:** is also a key component, emphasizing the importance of proper nutrition for health.
* **Option C:** relates to providing accessible and affordable health care services.

## **Clinical Pearl / High-Yield Fact**
A key aspect of primary health care is its emphasis on accessibility, affordability, and community participation. A classic example of primary health care in action is the use of village health workers in rural areas to provide basic health and medical care.

**Correct Answer: .**