Protected Health information (PHI) is O any information about a patient that has to do with a patient's medical history, such as existing conditions and
allergies.
O any information that could be used to individually identify a patient, such as name and address, aspects of the
patient's unique health history, or certain identification numbers.
O any information that could be used to discriminate against a patient, such as details about his or her race or ethnicity.
O any information about a patient that has to do with his or her criminal record or any other legal issues.

                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.

your answer will be a. sorry if im wrong: )

d they all are treatable but they never completely go away