<span>Platelet is a term that is not used to refer to white blood cells. Platelets are the smallest of all blood cells, and make up a very small fraction of blood volume. The function of platelets is to prevent bleeding, whereas the function of white blood cells is to fight off infection and increase immunity to disease.</span>
1. So the patient could make a prevention before the illness happen, not just taking care of it when it happens
2. Doctor will not available 24/7 for most people, so an education in self-care will give a little bit knowledge how to handle emergency situation when professionals are not available
3. Self-care will affect all aspects of people's life. It will influence our productivity in our job, mind positivity, etc.
I think the answer is B, but there is a chance it is C. But B seems more likely
Precontemplation and maintenance shows stage of change
