What do dosimeters primarily record in radiation exposure situations?

Dosimeters primarily serve the crucial function of measuring the total exposure to gamma radiation in radiation exposure situations. They are specialized devices designed to record accumulated doses over a specified period, allowing for an assessment of the radiation exposure an individual has experienced.

While dosimeters can be sensitive to different types of radiation, their primary design and utility focus on gamma radiation, which is one of the most penetrating types of radiation typically encountered in various environments, such as medical settings and nuclear facilities. The measurement provided by dosimeters helps ensure safety and compliance with occupational health standards.

This is in contrast to the other choices, which either suggest limited tracking (like daily exposure or immediate exposure) or imply the capability to measure a broader range of radiation types (like alpha and beta radiation). However, while some dosimeters can measure different types of radiation, their main role is centered on providing an accurate total dose of gamma radiation exposure over time, making the selected answer the most appropriate choice for the question posed.