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The dosimeter should be worn outside the protective lead apron at collar level because the unprotected head, neck, and lenses of the eye receive ______________ times more exposure than the protected body and trunk.

Which of the following is the annual occupational effective dose that applies to radiographers during routine operations? 

What term is used for a beneficial effect of radiation in populations continuously exposed to low levels of radiation above the background? 

The WR for x-radiation is 1, and the WT for the gonads is 0.2. If the gonads receive a D of 0.4 Gy from exposure to x-radiation, the EfD in Sv would be [BLANK-1].

Of the following, which are disadvantages of using pocket ionization chambers as personnel dosimeters? Mechanical shock causes pocket chambers to discharge A permanent legal record of personnel exposure cannot be obtained with a pocket dosimeter False readings may be obtained if the pocket dosimeter is not read each day.

For members of the general public not occupationally exposed, the NCRP recommends an annual effective dose limit of ___________ for infrequent exposures from artificial sources of ionizing radiation other than medical irradiation and natural background.

Late tissue reactions have a high probability of occurring when entrance radiation doses exceed: 

To reduce exposure for pregnant female imaging professionals and to control the exposure of the unborn during sensitive periods of gestation, the NCRP now recommends a monthly equivalent dose limit not exceeding _______ per month to the embryo-fetus and a limit during the entire pregnancy not to exceed _______ after declaration of a pregnancy. 

Which of the following are some of the advantages of the OSL dosimeter? Can be used for up to 1 year Lightweight, durable, easy to carry            Integrated, self-contained, preloaded packet

The essential concept underlying radiation protection is that: