Home health is a unique community area of healthcare. Please discuss how home health care might impact a patient who is living at home with chronic obstructive pulmonary disease (COPD) and has a left lower leg venous status ulcer. The patient lives with his elderly wife and he has a history of smoking, occasional beer drinking use, and illicit drug use. He was a veteran of Vietnam and served for 8 years during that war. He currently has no insurance and supports himself and his wife by selling used cars. His home setting is a trailer with no air conditioning and limited heating. They also have no running water in the home. What are important aspects that home health professionals need to apply related to patient safety?