I believe the correct answer is B. Spread by contact.
Some ways are medical documentation or medical records. The purpose of medical documentation is to complete and precise patient record documentation is to foster value and stability of care. It creates a means of communication between providers and between providers and members about health status, preventive health services, treatment, planning, and delivery of care.
True, all of these could be symptoms of stress
The answer is b, it can guide treatment of cardiac disease
