Achronological description of the patient s present condition from the time of onset to the present is a
a. history of the present illness
b. medical history
c. review of systems
d. social history

answer:   effective communication would be most valuable to you take the necessary steps to learn what you need to know to protect yourself

explanation:

effective communication can be broken down into three categories listening, understanding and responding. you should listen or read in order to understand how to protect yourself and then take necessary precautions. for example, wash your hand and use condoms before sexual intercourse to avoid catching any infections or diseases .