The Maximum Permissible Workday Dose for Occupational Exposure to Radiation

question 8

Multiple Choice

The maximum permissible workday dose for occupational exposure to radiation is 26 mrem.A 55-kg laboratory technician absorbs 3.3 mJ of 0.40-MeV gamma rays in a workday.The relative biological efficiency (RBE) for gamma rays is 1.00.What is the ratio of the equivalent dosage received by the technician to the maximum permissible equivalent dosage?

• A) 0.23
• B) 0.25
• C) 0.28
• D) 0.30
• E) 0.32

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Definitions:

Crescendo Angina

A form of angina that intensifies in severity or frequency, indicating a heightened risk of a heart attack.

I20.0

A diagnosis code referring to stable angina, a condition characterized by chest pain or discomfort due to coronary artery disease.

SA Node

The sinoatrial node, known as the heart's natural pacemaker, responsible for initiating the electrical impulses that dictate heart rate.

AV Node

A specialized part of the heart's electrical system, acting as a gateway between the atria and ventricles, controlling the heart rate.