When working with or near radiation, which of the following statements is correct?
A. If you cannot locate your badge monitor, you should borrow one from your co-worker.
B. Doubling the distance between a person and the radiation source reduces the radiation exposure by a factor of 4.
C. During a procedure, remain adjacent to the patient.
D. A 0.5-mm thick lead apron reduces scattered radiation by approximately 11 times.