Rad Protection Dose Limits and Equipment

Which of the following is NOT true about "Distance"?

• As distance increases, exposure decreases

• Distance is the most effective means of lowering exposure

• doubling distance halves exposure

Annual Effective whole body occupational dose limit

• 50 mSv

• 10 mSv x age of individual

• 150 mSv

• 50 mSv x age of individual

Dose limit for the entire gestation (pregnancy) to the embryo-fetus should not exceed:

• 0.5 mSv

• 50 mSv

• 5 mSv

• 0.05 mSv

Public effective dose limit for skin, hands, and feet

• 500 mSv

• 50 mSv

• 5 mSv

• 15 mSv

Public effective dose limit; lens of eye

• 15 mSv

• 5 mSv

• 150 mSv

• 1 mSv

Public effective dose limit, infrequent exposure(annually)

• 1 mSv

• 5 mSv

• 10 mSv

• 25 mSv

Public effective dose limit, continuous or frequent exposure (annually)

• 25 mSv

• 1 mSv

• 50 mSv

• 5 mSv

Occupational exposures equivalent dose annual limits for the skin, hands, and feet

• 50 mSv

• 500 mSv

• 150 mSv

• 5 mSv

Occupational exposures equivalent dose annual limits for lens of eye

• 1.5 mSv

• 15 mSv

• 150 mSv

• 0.5 mSv

A radiation worker’s lifetime effective dose must be limited to this individual’s age in years times ______

• 10 mSv

• 15 mSv

• 25 mSv

• 50 mSv