What does 'whole-body dose' calculate?

The correct answer highlights that 'whole-body dose' takes into account exposure to all organs within the body, particularly focusing on those that are especially sensitive to radiation. This comprehensive measure ensures that the overall impact of radiation on the body is understood, including critical organs that may be more susceptible to damage or health effects from radiation exposure.

Considering the specifics of the question, this choice encapsulates the essence of what whole-body dose entails. It provides a holistic view of how radiation affects an individual rather than isolating the effects to specific areas or organs. By including all radiosensitive organs in this calculation, medical professionals and radiation safety experts can better assess the risk and implement measures to protect individuals from harmful levels of radiation.

The other choices emphasize isolated aspects of radiation exposure without capturing the full scope of whole-body dose assessment. They limit the focus to specific parts or systems of the body, which does not provide an adequate understanding of the total radiation impact on overall health.