CAMRT Radiography Practice Exam

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What is the Tissue Weighting Factor for the thyroid?

0.05
0.01
0.20
0.12

The correct answer is: 0.05

The Tissue Weighting Factor (TWF) for the thyroid is indeed 0.05. This factor is used in radiological protection and dosimetry to assess the risk of radiation exposure to different organs in the body. The TWF accounts for the relative sensitivity of each organ or tissue to radiation damage. The thyroid is sensitive to radiation, but compared to other critical organs such as the lungs or whole body, it has a lower TWF. The value of 0.05 reflects the risk associated with radiation exposure specifically to the thyroid, allowing for a more accurate calculation of the overall detriment to health from a given radiation dose. Understanding these factors is crucial in the field of radiography and radiation safety, especially when considering occupational exposure and patient safety during imaging procedures.