UNIT 4: DISASTER MEDICAL OPERATIONS — PART 2 In this unit you will learn about: Public Health Considerations: How to maintain hygiene and sanitation. Functions of Disaster Medical Operations: What the five major functions of disaster medical operations are and how they are set up. Disaster Medical Treatment Areas: How to establish them and what their functions are. Patient Evaluation: How to perform a head-to-toe assessment to identify and treat injuries. Basic Treatment—How to: • Treat burns • Dress and bandage wounds • Treat fractures, dislocations, sprains, and strains • Treat hypothermia • Treat heat-related injuries • Control nasal bleeding • Treat bites and stings.