Radiation Safety Practice Exam

What is a common type of self-reading dosimeter?

1. Film badge

2. Pen dosimeter

3. Optically Stimulated Luminescent Dosimeter

4. Bioassay monitoring device

The correct answer is: Pen dosimeter

A pen dosimeter is indeed a common type of self-reading dosimeter. It is designed to provide immediate feedback to the user, allowing for real-time monitoring of radiation exposure. This type of dosimeter typically uses a simple mechanism that allows the user to see a reading that corresponds to the amount of radiation exposure they have received. One of the key advantages of a pen dosimeter is its portability and ease of use, making it convenient for individuals who work in environments with potential radiation exposure, such as medical facilities, nuclear plants, or research laboratories. The ability to self-read ensures that individuals can take immediate action if their exposure approaches predetermined limits. In contrast, other types of dosimeters, such as film badges and optically stimulated luminescent dosimeters (OSLDs), do not provide real-time readings; instead, they require analysis after a certain period to determine exposure levels. Bioassay monitoring devices also operate differently as they measure specific biological samples rather than providing direct radiation exposure readings. Thus, the unique feature of the pen dosimeter is its self-reading capability, making it a practical choice for on-the-spot monitoring.