Nonstochastic radiation health effects are __________.

Nonstochastic radiation health effects are well determined and defined effects that occur after a certain threshold dose of radiation exposure. These effects are characterized by a clear relationship between the dose of radiation received and the severity of the health outcome. For instance, examples of nonstochastic effects include skin burns and radiation sickness, which manifest after exposure to high doses of ionizing radiation.

In these scenarios, it is understood that as the radiation dose increases beyond a specific point, the likelihood and severity of the effects also increase in a predictable manner. Consequently, this distinct correlation allows for the establishment of safety standards and regulations to minimize risks associated with radiation exposure.

In contrast, other types of effects, such as stochastic effects, occur without a known threshold and are typically characterized by random occurrence, such as cancer. Thus, the definition of nonstochastic effects being well determined aligns correctly with how these effects manifest in response to radiation exposure.