Radiation Protection Exam Questions and
Answers| Latest Update
The radiation used during a surgical procedure resulted in entrance skin exposure of 70 mGy.
The technologist collimated to an area of 6 cm by 8 cm during the procedure. What is the dose
area product (DAP) for the exam?
A. 3,360 mGy cm^2
B. 5,250 mGy cm^2
C. 3,300 mGy cm^2
D. 3,306 mGy cm^2 A. 3,360 mGy cm^2
70 x 6 x 8 = 3,360
Which of the following may be used to reduce patient exposure during pediatric procedures?
(Select all that apply)
1. Selecting high mA station
2. Using effective immobilization devices
3. Selecting high mAs
4. Gaining cooperation during the procedure
5. Selecting very short exposure times
6. Selecting very long exposure times 1. Selecting high mA station
2. Using effective immobilization devices
4. Gaining cooperation during the procedure
5. Selecting very short exposure times
, What is the annual whole-body radiation dose limit for infrequent exposure to the general
public?
A. 2.5 mSv
B. 5 mSv
C. 25 mSv
D. 50 mSv B. 5 mSv
If fluoroscopic equipment does not automatically report radiation exposure which of the
following should be documented? (Select all that apply)
1. Cumulative exposure time
2. The number of images taken
3. The amount of contrast media used
4. The calculations of dose area product (DAP) 1. Cumulative exposure time
2. The number of images taken
Which of the following would best help reduce radiation exposure to the radiographer?
A. Increasing kVp
B. Increasing distance from the x-ray tube
C. Increasing the focal spot size
D. Providing detailed instructions to the patient B. Increasing distance from the x-ray tube
Current federal standards limit entrance skin exposure rates of general purpose intensified
fluoroscopic units to a maximum of:
Answers| Latest Update
The radiation used during a surgical procedure resulted in entrance skin exposure of 70 mGy.
The technologist collimated to an area of 6 cm by 8 cm during the procedure. What is the dose
area product (DAP) for the exam?
A. 3,360 mGy cm^2
B. 5,250 mGy cm^2
C. 3,300 mGy cm^2
D. 3,306 mGy cm^2 A. 3,360 mGy cm^2
70 x 6 x 8 = 3,360
Which of the following may be used to reduce patient exposure during pediatric procedures?
(Select all that apply)
1. Selecting high mA station
2. Using effective immobilization devices
3. Selecting high mAs
4. Gaining cooperation during the procedure
5. Selecting very short exposure times
6. Selecting very long exposure times 1. Selecting high mA station
2. Using effective immobilization devices
4. Gaining cooperation during the procedure
5. Selecting very short exposure times
, What is the annual whole-body radiation dose limit for infrequent exposure to the general
public?
A. 2.5 mSv
B. 5 mSv
C. 25 mSv
D. 50 mSv B. 5 mSv
If fluoroscopic equipment does not automatically report radiation exposure which of the
following should be documented? (Select all that apply)
1. Cumulative exposure time
2. The number of images taken
3. The amount of contrast media used
4. The calculations of dose area product (DAP) 1. Cumulative exposure time
2. The number of images taken
Which of the following would best help reduce radiation exposure to the radiographer?
A. Increasing kVp
B. Increasing distance from the x-ray tube
C. Increasing the focal spot size
D. Providing detailed instructions to the patient B. Increasing distance from the x-ray tube
Current federal standards limit entrance skin exposure rates of general purpose intensified
fluoroscopic units to a maximum of:
