Physics Chapter 40

20問 • 1年前

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通報

問題一覧

For diagnostic x-ray personnel, the highest occupational exposure occurs during ________ exams.

dental

Personnel working in interventional radiography should be provided with _________.

extremity monitoring

The lens of the eye should never receive more than ________ per year.

150 mSv (15 rem)

Dose limits are described as __________.

effective dose

Occupational dose is described as ___________.

dose equivalent

The tissue weighting factor has a higher value for tissues with more __________.

radiosensitivity

For nursing personnel present during mobile x-ray imaging, a personnel monitoring device is required __________.

not at all

The dose limit to the extremities is _________.

500 mSv/yr (50 rem/yr)

The lowest occupational exposure of diagnostic x-ray personnel occurs during __________.

mammography

The dose limit to the general public is _________.

1 mSv/yr (100 mrem/yr)

The best way for technologists to reduce occupational exposure is to follow the principles of ___________.

ALARA

Occupational radiation monitoring is required if the individual may get ______ of the recommended dose limit.

10%

Optically stipulated luminescent (OSL) monitors are superior to the theroluminescent dosimeters in that they are _________.

more sensitive to low exposure

During fluoroscopy the exposure to the collar is _____ times greater than exposure to the trunk of the body under a protective apron.

The preferred way to hold patients who are unable to support themselves is to use a _____________.

restraining device

The dose limit for a technologist during pregnancy is ____________.

0.5 mSv/mo (50 mrem/mo)

Every radiology department should provide a radiation safety program that includes ____________.

counseling during pregnancy

Technologist working fluoroscopy should use the radiologist as shielding whenever possible in addition to the apron and curtain.

True

A protective apron with the thickness of 0.25mm lead equivalent is the minimum required.

True

There are no circumstances under which technology should be given an involuntary leave of absence due to pregnancy.

True

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問題一覧

For diagnostic x-ray personnel, the highest occupational exposure occurs during ________ exams.

dental

Personnel working in interventional radiography should be provided with _________.

extremity monitoring

The lens of the eye should never receive more than ________ per year.

150 mSv (15 rem)

Dose limits are described as __________.

effective dose

Occupational dose is described as ___________.

dose equivalent

The tissue weighting factor has a higher value for tissues with more __________.

radiosensitivity

For nursing personnel present during mobile x-ray imaging, a personnel monitoring device is required __________.

not at all

The dose limit to the extremities is _________.

500 mSv/yr (50 rem/yr)

The lowest occupational exposure of diagnostic x-ray personnel occurs during __________.

mammography

The dose limit to the general public is _________.

1 mSv/yr (100 mrem/yr)

The best way for technologists to reduce occupational exposure is to follow the principles of ___________.

ALARA

Occupational radiation monitoring is required if the individual may get ______ of the recommended dose limit.

10%

Optically stipulated luminescent (OSL) monitors are superior to the theroluminescent dosimeters in that they are _________.

more sensitive to low exposure

During fluoroscopy the exposure to the collar is _____ times greater than exposure to the trunk of the body under a protective apron.

The preferred way to hold patients who are unable to support themselves is to use a _____________.

restraining device

The dose limit for a technologist during pregnancy is ____________.

0.5 mSv/mo (50 mrem/mo)

Every radiology department should provide a radiation safety program that includes ____________.

counseling during pregnancy

Technologist working fluoroscopy should use the radiologist as shielding whenever possible in addition to the apron and curtain.

True

A protective apron with the thickness of 0.25mm lead equivalent is the minimum required.

True

There are no circumstances under which technology should be given an involuntary leave of absence due to pregnancy.

True