Avoiding overexposure to the sun-rationale: primary prevention involves promoting health and helping clients achieve maximum wellness. primary preventive measures are designed to prevent or delay the onset of specific illnesses; these measures typically include lifestyle changes such as avoiding overexposure to the sun to prevent skin cancer. participating in a cardiac rehabilitation program is an example of a tertiary preventive measure, which attempts to prevent complications of an existing disease. annual physical examinations and monthly breast self-examinations are examples of secondary preventive measures, which promote early detection and treatment of disease.client needs category: health promotion and maintenanceclient needs subcategory: nonecognitive level: comprehensionreference: taylor, c., et al. fundamentals of nursing: the art and science of nursing care, 6th ed. philadelphia: lippincott williams & wilkins, 2008, p. 73.