Effective dose is measured in which units?

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Multiple Choice

Effective dose is measured in which units?

Explanation:
Effective dose reflects not just how much energy is deposited, but how hazardous that radiation is to various tissues. To express this risk, we use units that incorporate those biological factors: the sievert (Sv) in the SI system, and historically the rem. Since 1 Sv equals 100 rem, both units are appropriate for reporting effective dose. This makes Rem/Sv the best descriptor for effective dose, because it directly communicates the overall potential harm. Absorbed dose (gray) measures energy per mass without regard to radiation type or tissue sensitivity, and exposure (roentgen) measures ionization in air, not the biological effect. Those are not used for effective dose, which is why they aren’t the correct choice here.

Effective dose reflects not just how much energy is deposited, but how hazardous that radiation is to various tissues. To express this risk, we use units that incorporate those biological factors: the sievert (Sv) in the SI system, and historically the rem. Since 1 Sv equals 100 rem, both units are appropriate for reporting effective dose. This makes Rem/Sv the best descriptor for effective dose, because it directly communicates the overall potential harm.

Absorbed dose (gray) measures energy per mass without regard to radiation type or tissue sensitivity, and exposure (roentgen) measures ionization in air, not the biological effect. Those are not used for effective dose, which is why they aren’t the correct choice here.

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