Final answer:
The medical model of care is used to choose treatments based on diagnoses, often employing techniques such as genetic diagnosis to tailor personalized treatment plans.
Step-by-step explanation:
Choosing treatments based on diagnosis is based on the Medical model of care. This model leverages clinical techniques and scientific research to determine the most effective treatment for a diagnosed condition. For instance, in the case of genetic conditions such as inherited cancers, genetic diagnosis by genetic testing is employed to identify disease-causing genes, aiding in developing personalized treatment plans. Likewise, the understanding of gene-environment interactions can explain why different individuals might experience disparate outcomes when facing the same disease, as genetic components can influence susceptibility and response to treatment. In contrast, the psychosocial model would consider the social and psychological aspects, and a genetic model would focus exclusively on genetic factors.