Question 1

Which of the following technical factors are chosen to minimize patient dose?

Accepted Answer

A)  high kVp/low mAs
B)  low kVp/high mAs
C)  high kVp/high mAs
D)  low kVp/low mAsE) B) and D)
F) A) and C)

Question 2

What is the cumulative dose limit for a 36-year-old radiation worker?

Accepted Answer

A)  360 mSv
B)  36 mSv
C)  360 mrem
D)  3.6 mremE) B) and C)
F) A) and D)

Question 3

Match the following choices as they relate to radiation protection of patients and personnel.
-gonadal shields

Accepted Answer

A)  compound filter
B)  added
C)  Thoraeus filter
D)  trough filter
E)  berylliumF) aluminumG) HVLH) keVI) 1.5 mm aluminum minimum filtrationJ) 2.5 mm AlK) E) and I)
L) B) and J)

Question 4

Radiation exposure limits applicable to the protection of radiation workers are known as ____ limits.

Accepted Answer

A)  dose
B)  radiation
C)  ionizing
D)  stochasticE) B) and C)
F) C) and D)

Question 5

The concept of ALARA

Accepted Answer

A)  allows x-ray exposure under all circumstances.
B)  necessarily requires a benefit vs. risk assessment by the ordering physician.
C)  permits the radiographer to alter physician orders in order to lessen dose.
D)  shifts the responsibility for exposure reduction to the ordering physician.E) A) and D)
F) None of the above

Question 6

If the distance between the individual and the source of radiation is doubled, the exposure to the individual will be reduced by a factor of

Accepted Answer

A)  2
B)  3
C)  4
D)  12E) A) and B)
F) None of the above

Question 7

To reduce an individual's exposure to ionizing radiation, all of the following would be acceptable EXCEPT

Accepted Answer

A)  to reduce the amount of time spent in the vicinity of the radiation source.
B)  to increase the distance between the individual and the radiation source.
C)  to wear the radiation dosimeter at the collar.
D)  standing behind a lead barrier during exposure.E) A) and D)
F) None of the above

Question 8

Secondary barriers are intended to intercept

Accepted Answer

A)  scatter radiation from the patient.
B)  leakage radiation from the x-ray tube.
C)  primary beam that exits the patient.
D)  both a and bE) None of the above
F) B) and D) D

Question 9

Match the following choices as they relate to radiation protection of patients and personnel.
-an obsolete patient protection philosophy

Accepted Answer

A)  compound filter
B)  added
C)  Thoraeus filter
D)  trough filter
E)  berylliumF) aluminumG) HVLH) keVI) 1.5 mm aluminum minimum filtrationJ) 2.5 mm AlK) B) and E)
L) G) and J) C

Question 10

As a professional radiographer, the practice of ALARA requires you to

Accepted Answer

A)  employ high ratio grids.
B)  use low mAs , high kVp exposure techniques.
C)  use the largest receptor possible in order to get a higher-quality image.
D)  restrict the x-ray beam to the clinical area of interest.E) C) and D)
F) A) and B)

Question 11

By design, primary barriers are able to intercept and absorb

Accepted Answer

A)  primary radiation.
B)  secondary radiation.
C)  the useful beam.
D)  all of the aboveE) B) and C)
F) C) and D)

Question 12

Protective devices include all of the following EXCEPT

Accepted Answer

A)  lead aprons.
B)  lead gloves.
C)  lead glasses.
D)  compensating bolus material.E) All of the above
F) None of the above D

Question 13

The cardinal rules of radiation protection are

Accepted Answer

A)  time, source, shielding
B)  time, distance, position
C)  time, distance, shielding
D)  shielding, thickness, use factorE) All of the above
F) A) and C)

Question 14

For an individual to reduce exposure by a factor of 25, the distance between the individual and source of ionizing radiation should

Accepted Answer

A)  increase by a factor of 5.
B)  decrease by a factor of 4.
C)  increase by a factor of 3.
D)  decrease by a factor of 5.E) B) and D)
F) A) and B)

Question 15

The cumulative effective dose limit for an occupational exposure to ionizing radiation is ____ mrem.

Accepted Answer

A)  5000
B)  500
C)  50
D)  none of the aboveE) A) and B)
F) C) and D)

Question 16

Which one of the following agencies is a regulatory agency responsible for protecting both the public and occupationally exposed individuals from the effects of ionizing radiation?

Accepted Answer

A)  NCRP
B)  ICRP
C)  NRC
D)  IRSE) B) and C)
F) A) and B)

Question 17

For fluoroscopic procedures with a kVp of 100 or more, the protective apron must possess a minimum of ____ lead equivalent.

Accepted Answer

A)  0.05 mm
B)  0.5 mm
C)  1.0 mm
D)  5.0 mmE) B) and C)
F) All of the above

Question 18

Proper x-ray beam collimation does all of the following EXCEPT

Accepted Answer

A)  reduce patient dose.
B)  improve radiographic image quality.
C)  eliminate the need for gonadal shielding.
D)  reduce scatter radiation.E) B) and C)
F) A) and D)

Question 19

When no threshold dose for radiation exists, the effect is known as

Accepted Answer

A)  stochastic.
B)  nonstochastic.
C)  deterministic.
D)  both b and cE) A) and B)
F) C) and D)

Question 20

Match the following choices as they relate to radiation protection of patients and personnel.
-established in 1928 with worldwide participation

Accepted Answer

A)  compound filter
B)  added
C)  Thoraeus filter
D)  trough filter
E)  berylliumF) aluminumG) HVLH) keVI) 1.5 mm aluminum minimum filtrationJ) 2.5 mm AlK) B) and I)
L) A) and H)

Exam 9: Radiation Protection Procedures for Patients and Personnel

Which of the following technical factors are chosen to minimize patient dose?

Correct AnswerverifiedShow Answer

What is the cumulative dose limit for a 36-year-old radiation worker?

Correct AnswerverifiedShow Answer

Match the following choices as they relate to radiation protection of patients and personnel. -gonadal shields

Correct AnswerverifiedShow Answer

Radiation exposure limits applicable to the protection of radiation workers are known as ____ limits.

Correct AnswerverifiedShow Answer

The concept of ALARA

Correct AnswerverifiedShow Answer

If the distance between the individual and the source of radiation is doubled, the exposure to the individual will be reduced by a factor of

Correct AnswerverifiedShow Answer

To reduce an individual's exposure to ionizing radiation, all of the following would be acceptable EXCEPT

Correct AnswerverifiedShow Answer

Secondary barriers are intended to intercept

Correct AnswerverifiedD

Match the following choices as they relate to radiation protection of patients and personnel. -an obsolete patient protection philosophy

Correct AnswerverifiedC

As a professional radiographer, the practice of ALARA requires you to

Correct AnswerverifiedShow Answer

By design, primary barriers are able to intercept and absorb

Correct AnswerverifiedShow Answer

Protective devices include all of the following EXCEPT

Correct AnswerverifiedD

The cardinal rules of radiation protection are

Correct AnswerverifiedShow Answer

For an individual to reduce exposure by a factor of 25, the distance between the individual and source of ionizing radiation should

Correct AnswerverifiedShow Answer

The cumulative effective dose limit for an occupational exposure to ionizing radiation is ____ mrem.

Correct AnswerverifiedShow Answer

Which one of the following agencies is a regulatory agency responsible for protecting both the public and occupationally exposed individuals from the effects of ionizing radiation?

Correct AnswerverifiedShow Answer

For fluoroscopic procedures with a kVp of 100 or more, the protective apron must possess a minimum of ____ lead equivalent.

Correct AnswerverifiedShow Answer

Proper x-ray beam collimation does all of the following EXCEPT

Correct AnswerverifiedShow Answer

When no threshold dose for radiation exists, the effect is known as

Correct AnswerverifiedShow Answer

Match the following choices as they relate to radiation protection of patients and personnel. -established in 1928 with worldwide participation

Correct AnswerverifiedShow Answer

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