Which term refers to measures taken to prevent the occurrence of a health condition?

The term that refers to measures taken to prevent the occurrence of a health condition is prophylactic. Prophylactic measures are designed to prevent disease or injury before it occurs, emphasizing the importance of prevention in healthcare. This can include vaccinations, medications, lifestyle modifications, and other strategies aimed at reducing the risk of developing a health issue.

In contrast, diagnostic measures focus on identifying the presence of a condition or disease, while palliative care aims to relieve symptoms and improve the quality of life for those with serious illnesses, rather than preventing them. Replacement typically pertains to substitution or restoration of body parts or functions, such as organ transplants or prosthetics, rather than preventative measures. Thus, prophylactic is the term that most accurately captures the concept of preventing health conditions.