Yawning redirects here. For the fish species, see Yawning (fish) . A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the eardrums, followed by an exhalation of breath.Yawning (oscitation) most often occurs in adults immediately before and after sleep, during tedious activities and as a result of its contagious quality. yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the eardrums, followed by an exhalation of breath. Yawning (oscitation) most often occurs in adults immediately before and after sleep, during tedious activities and as a result of its contagious quality.
A radiological emergency is an emergency in which there is, or is perceived to be, a hazard due to radiation exposure from a source. As sources of radiation are used in various fields, including industry, medicine and research, radiological emergencies may occur anywhere. These are examples of radiological emergency situations and associated conditions that a first responder may face: 1  Medical Symptoms of Radiation Exposure. 2  Loss or Theft of Dangerous Radioactive Source. 3  Public Radioactive Contamination/Exposure.
1 Disaster Medical Assistance Team (DMAT) - provides medical care during a disaster or other incident. 2  National Medical Response Team (NMRT) - provides mass decontamination and medical care to victims of a release of Weapons of Mass Destruction, or a large scale release of Hazardous Material. Emergency medical response by civilian medical teams, equipment, and supplies to a disaster area when local medical resources are overwhelmed. 2  Movement of ill and injured patients from a disaster area to areas unaffected by the disaster. 3  Definitive care of patients at hospitals in areas unaffected by the disaster.