Which of the following exemplifies self-healing according to vitalism?

Self-healing, within the context of vitalism, is rooted in the belief that the body possesses an inherent ability to heal itself. This concept emphasizes the significance of the body's innate intelligence, which is seen as a guiding force responsible for maintaining health and facilitating healing processes without external interference.

The body's innate intelligence refers to the complex biochemical and physiological processes that work harmoniously to restore balance, repair injuries, and manage health conditions. Vitalism posits that health is not merely the absence of disease but the presence of this vital force that actively contributes to wellness.

In contrast, the other options represent external interventions or influences: strong medicines and surgical procedures typically introduce foreign elements or alter the body's state rather than allowing it to heal naturally. Similarly, a healthcare provider's directives serve to guide treatment rather than mobilizing the body’s intrinsic healing capability. Thus, the focus on the body's innate intelligence aligns perfectly with the concept of self-healing as understood in vitalism.