RAD practice Exam 2 Questions and
Answers
1. The frequency with which a person should have a bitewing radiographic series is:
A. approximately every 12 months
B. approximately every 18 months
C. approximately every 24 months
D. determined by evaluation of the patient's individual radiographic needs - Answer-D
2. Which term best describes the process by which the latent image becomes visible?
A. Reticulation
B. Sensitivity
C. Selective reduction
D. Preservation - Answer-C
3. Receiving small amounts of x-radiation over a long time:
1. decreases the relative radiosensitivity of different cells
2. results in biological injury
3. allows time for tissue repair
4. causes no injury
,A. 1 & 4
B. 2 & 3
C. 4 only
D. 1 only - Answer-B
4. Which of the following is the MOST effective measure in reducing the patient's exposure to radiation?
A. Using a lead lined PID
B. Using a lead apron
C. Using proper filtration
D. Using E-speed, rather than D-speed film - Answer-D
5. The indirect action theory of radiation damage involves:
A. X-rays striking cells and ionizing the water within it, creating hydrogen peroxides
B. X-rays blasting apart the cell walls
C. X-rays creating personality changes to a person
D. X-rays causing hair loss - Answer-A
6. An x-ray may demonstrate an exaggerated length of an object, that is, an elongated image, because:
A. The horizontal beam placement was incorrect
B. The vertical beam was too steep
C. The vertical beam was too shallow
D. The vertical film placement was incorrect - Answer-C
7. The purpose of hypothiosulfate in the fixing solution is to:
A. clear away the undeveloped and/or unexposed silver halide crystals
, B. harden the emulsion
C. neutralize the developer
D. preserve the chemicals - Answer-A
8. When placing intra-oral film, it is best to:
A. place the film quickly and with authority
B. slide films against the mucosa into place
C. request that your patient concentrate on not gagging
D. place posterior films first - Answer-A
9. Goals of the radiographer include:
A. achieving perfection with each film
B. working rapidly without haste
C. keeping radiation levels as low as possible
D. always individualizing patient needs
E. all of the above - Answer-E
10. A partial image may be the result of:
A. Over exposure
B. Underdevelopment
C. Failure to center the central ray over the film
D. Agitating the films too quickly in the developer - Answer-C
11. The minimum amount of whole body radiation that could cause death of the individual is:
A. 100-300 R
Answers
1. The frequency with which a person should have a bitewing radiographic series is:
A. approximately every 12 months
B. approximately every 18 months
C. approximately every 24 months
D. determined by evaluation of the patient's individual radiographic needs - Answer-D
2. Which term best describes the process by which the latent image becomes visible?
A. Reticulation
B. Sensitivity
C. Selective reduction
D. Preservation - Answer-C
3. Receiving small amounts of x-radiation over a long time:
1. decreases the relative radiosensitivity of different cells
2. results in biological injury
3. allows time for tissue repair
4. causes no injury
,A. 1 & 4
B. 2 & 3
C. 4 only
D. 1 only - Answer-B
4. Which of the following is the MOST effective measure in reducing the patient's exposure to radiation?
A. Using a lead lined PID
B. Using a lead apron
C. Using proper filtration
D. Using E-speed, rather than D-speed film - Answer-D
5. The indirect action theory of radiation damage involves:
A. X-rays striking cells and ionizing the water within it, creating hydrogen peroxides
B. X-rays blasting apart the cell walls
C. X-rays creating personality changes to a person
D. X-rays causing hair loss - Answer-A
6. An x-ray may demonstrate an exaggerated length of an object, that is, an elongated image, because:
A. The horizontal beam placement was incorrect
B. The vertical beam was too steep
C. The vertical beam was too shallow
D. The vertical film placement was incorrect - Answer-C
7. The purpose of hypothiosulfate in the fixing solution is to:
A. clear away the undeveloped and/or unexposed silver halide crystals
, B. harden the emulsion
C. neutralize the developer
D. preserve the chemicals - Answer-A
8. When placing intra-oral film, it is best to:
A. place the film quickly and with authority
B. slide films against the mucosa into place
C. request that your patient concentrate on not gagging
D. place posterior films first - Answer-A
9. Goals of the radiographer include:
A. achieving perfection with each film
B. working rapidly without haste
C. keeping radiation levels as low as possible
D. always individualizing patient needs
E. all of the above - Answer-E
10. A partial image may be the result of:
A. Over exposure
B. Underdevelopment
C. Failure to center the central ray over the film
D. Agitating the films too quickly in the developer - Answer-C
11. The minimum amount of whole body radiation that could cause death of the individual is:
A. 100-300 R
