Discussion
A phase between the state of perfect health and the point where actual pathological processes of the disease starts is called the phase of:
Answer: D
The phase is pre-pathogenesis.
In the natural history of disease, the period of pre-pathogenesis is the time before the disease process has started in the person: the agent, host and environment are interacting and risk factors are present, but no pathological change has yet begun. Primary prevention, through health promotion and specific protection, acts in this phase.
Pathogenesis is the phase after the disease process starts in the host, ending in recovery, disability or death. 'Post pathogenesis' is not a phase of the natural history. Primordial prevention is a level of prevention, aimed at stopping risk factors from arising at all, not a phase of disease.
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