American Registry of Radiologic Technologists (ARRT) Practice Exam

Question: 1 / 400

What is the minimum safe fetal dose limit for radiation exposure during pregnancy measured in mSv?

1 mSv

3 mSv

5 mSv

The minimum safe fetal dose limit for radiation exposure during pregnancy is set at 5 mSv. This threshold is established based on an understanding of the potential risks radiation poses to the developing fetus. The 5 mSv limit reflects a balance between the risks of radiation exposure and the need for necessary diagnostic procedures during pregnancy.

Research indicates that doses below this level are less likely to be associated with significant potential adverse effects, such as developmental issues or increased cancer risk later in life. Setting the limit at 5 mSv ensures that both the health of the mother and the fetus are prioritized while allowing for medical imaging when absolutely necessary.

Understanding this limit is crucial for healthcare professionals to make informed decisions regarding imaging studies for pregnant patients without compromising fetal safety.

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10 mSv

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