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Chris M.
Chris M., M.S.W. Social Work
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1. If radiation damage showed up within the lifetime of the recipient,

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1. If radiation damage showed up within the lifetime of the
recipient, it would be called _______ damage.
A. acute C. genetic
B. idiopathic D. somatic

2. What is scatter radiation?
A. The radiation that can hit your hands when you’re
wearing gloves
B. The radiation that can penetrate safety gowns
C. The radiation that changes direction when it hits the patient
or table
D. The radiation that makes the image on the film

3. The best way to reduce occupational exposure to radiation is to
A. use accurate technique charts.
B. wear a film badge at all times.
C. restrain patients both mechanically and with sedatives or anesthetics during exposure
of radiographs so that they don’t have to be held.
D. remain in the room during exposure of radiographs to help calm the patient.

4. What is the voltage compensator?
A. The circuit breaker box of the x-ray machine
B. A control used to manually adjust the transformer to compensate for inconsistent
electrical output
C. An emergency off switch
D. A device used to prevent damage during a lightning storm

5. Which of the following statements is true?
A. Health care personnel working with radiation can’t receive more than .005 Sv
per year exposure.
B. Health care personnel must be at least 21 years of age to be allowed to work
with radiation.
C. Health care personnel working with radiation are allowed by law to receive more
radiation per year than those without occupational exposure.
D. Health care personnel can continue working with radiation when pregnant if the proper
protective clothing is worn at all times.

6. The thickness requirement for radiographic protective apparel is _______ lead equivalent.
A. .05 mm C. 1 mm
B. .5 mm D. 1.5 mm

7. What is the most common cause of x-ray tube failure?
A. Filament evaporation
B. Anode bearing failure
C. Anode target failure
D. Tube housing anomalies

8. Which would be the safest way to restrain an animal during radiography?
A. Holding the animal while sitting on the table
B. Sharing the restraint process with other technicians
C. Using sandbags
D. Holding a shield around the animal

9. The _______ helps us to center the x-ray beam using light.
A. tube C. grid
B. collimator D. filter

10. X-rays are a type of
A. visible light. C. electromagnetic radiation.
B. ultraviolet light. D. subatomic particle.

11. What is the purpose of the aluminum filter, located between the x-ray tube and the collimator?
A. Eliminates the soft x-rays, which cause skin damage
B. Prevents x-rays from leaking out of the x-ray tube
C. Keeps dirt out of the x-ray tube
D. Changes the wavelength of the primary beam, making it safer

12. The area hit by electrons after they pass across the x-ray tube is called the
A. filament. C. focusing cup.
B. target. D. cathode.

13. Due to the heel effect, the thickest part of an animal’s abdomen should be placed
A. under the anode side of the tube.
B. against the table.
C. under the cathode side of the tube.
D. toward the edge of the film.

14. To help dissipate heat, the x-ray tube contains
A. water. C. a vacuum.
B. alcohol. D. oil.

15. Changing the anode target angle from 20 degrees to 15 degrees will
A. increase the heel effect.
B. decrease the heel effect.
C. increase the field size of the x-ray beam.
D. have no effect on the field size of the x-ray beam.

16. A radiograph is a (an)
A. energy particle.
B. image.
C. part of an x-ray machine.
D. graph for charting visible light.

17. What are radiation logs?
A. Radiation logs keep track of when the x-ray machine was serviced.
B. Radiation logs are a type of technique chart, showing how much radiation is created
with which machine settings.
C. Radiation logs are records kept of film badge results for veterinary radiography staff.
D. Radiation logs help track techniques used on repeat patients and radiation exposure
of staff.

18. What is the recommended way to check lead safety apparel?
A. Radiograph it at least annually.
B. Radiograph it if you see any cracks.
C. Check for cracks by holding it up to the light.
D. Check for cracks by immersing it in water and looking for bubbles.

19. In the x-ray machine, the particles that are emitted by the heated filament are called
A. protons. C. electrons.
B. neutrons. D. x-rays.

20. Which of the following is a type of collimation device?
A. Filter C. Focusing cup
B. Locking tube D. Diaphragm
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