Sherer / Radiation Protection - Ch.14 Exam
while standing behind the control booth barrier, a radiographer makes a radiologic exposure. the x-rays
scattered from the patient's body should ________ behind the control booth barrier - (correct Answer) -
scatter a minimum of two times before reaching any area
if the peak energy of the x-ray beam is 100 kVp, a protective lead apron must be the equivalent of which
of the following measures? - (correct Answer) - 0.25-mm thickness of lead
leakage radiation and scattered radiation are forms of: - (correct Answer) - secondary radiation
when a radiologic technologist declares her pregnancy to her employer, which of the following is
appropriate? - (correct Answer) - she continues to perform her duties without interruption of
employment, provided that she has received radiation safety counseling and follows established
radiation safety practices
pregnant radiographers can wear an additional dosimeter device at waist level to ensure that the
monthly EqD does not exceed: - (correct Answer) - 0.5 mSv (0.05 rem)
protective eyeglasses with optically clear lenses should contain a minimal lead equivalent protection of
________ mm - (correct Answer) - 0.35
a protective curtain or sliding panel of a minimum thickness of 0.25 mm lead equivalent should normally
be positioned between the fluoroscopist and the patient to intercept which of the following types of
radiation? - (correct Answer) - scattered radiation above the tabletop
for mobile radiographic units, which are not equipped with remote control exposure devices, the cord
leading to the exposure switch must be long enough to permit the radiographer to stand at least
_________ from the patient, the x-ray tube, and the useful beam to reduce occupational exposure -
(correct Answer) - 40"
when doors to radiographic and fluoroscopic rooms are closed during radiation exposures, a substantial
degree of protection is provided for persons in areas adjacent to the room door. this is because in most
facilities, room doors have attenuation for diagnostic energy x-ray equivalent to that provided by a
_________ inch of lead - (correct Answer) - 1/32
which of the following is the most effective means of protection from ionizing radiation normally
available to the radiographer? - (correct Answer) - placing as much distance as possible between oneself
and all source of radiation
Because occupational exposure of the radiographer can be kept as low as reasonably achievable (ALARA)
through individual monitoring and other protective measures and the use of protective devices and
because exposure from radiation-related jobs will not alter the ____________, radiation workers may
receive a larger equivalent dose than members of the general population - (correct Answer) - genetically
significant dose
while standing behind the control booth barrier, a radiographer makes a radiologic exposure. the x-rays
scattered from the patient's body should ________ behind the control booth barrier - (correct Answer) -
scatter a minimum of two times before reaching any area
if the peak energy of the x-ray beam is 100 kVp, a protective lead apron must be the equivalent of which
of the following measures? - (correct Answer) - 0.25-mm thickness of lead
leakage radiation and scattered radiation are forms of: - (correct Answer) - secondary radiation
when a radiologic technologist declares her pregnancy to her employer, which of the following is
appropriate? - (correct Answer) - she continues to perform her duties without interruption of
employment, provided that she has received radiation safety counseling and follows established
radiation safety practices
pregnant radiographers can wear an additional dosimeter device at waist level to ensure that the
monthly EqD does not exceed: - (correct Answer) - 0.5 mSv (0.05 rem)
protective eyeglasses with optically clear lenses should contain a minimal lead equivalent protection of
________ mm - (correct Answer) - 0.35
a protective curtain or sliding panel of a minimum thickness of 0.25 mm lead equivalent should normally
be positioned between the fluoroscopist and the patient to intercept which of the following types of
radiation? - (correct Answer) - scattered radiation above the tabletop
for mobile radiographic units, which are not equipped with remote control exposure devices, the cord
leading to the exposure switch must be long enough to permit the radiographer to stand at least
_________ from the patient, the x-ray tube, and the useful beam to reduce occupational exposure -
(correct Answer) - 40"
when doors to radiographic and fluoroscopic rooms are closed during radiation exposures, a substantial
degree of protection is provided for persons in areas adjacent to the room door. this is because in most
facilities, room doors have attenuation for diagnostic energy x-ray equivalent to that provided by a
_________ inch of lead - (correct Answer) - 1/32
which of the following is the most effective means of protection from ionizing radiation normally
available to the radiographer? - (correct Answer) - placing as much distance as possible between oneself
and all source of radiation
Because occupational exposure of the radiographer can be kept as low as reasonably achievable (ALARA)
through individual monitoring and other protective measures and the use of protective devices and
because exposure from radiation-related jobs will not alter the ____________, radiation workers may
receive a larger equivalent dose than members of the general population - (correct Answer) - genetically
significant dose
