"Consent is crucial where obligations to take risks exist in various occupations or professions. For example, we assume that in choosing their careers, undergoing the training involved, and agreeing to follow the codes and practices regulating their work, firefighters and police have given consent to facing the significant risks they are obliged to take. There are strong parallels to medicine. People who enter medical fields clearly had alternatives. There is a general understanding that physicians face an increased risk of contagion from disease, an understanding refined during schooling and training." Daniels proposes, however, that some situations can exceed the standard level of risk (SLR) [14] :