Radiation Safety Examination

Chronic exposure of individuals to low levels of radiation can have which of the following health effects?
A. Premature aging
B. Higher incidence of cancer
C. Damage to the lens of the eye
D. All of the above

Pregnant women should avoid exposure to radiation because of which of the following increased risks to their fetus?
A. Childhood leukemia and other cancers
B. Premature birth
C. Low birth weight
D. Glaucoma

Why are individuals under the age of 18 excluded from performing or assisting in radiography?
A. They are at greater risk of radiation injury because their cells are reproducing more rapidly
B. They are at greater risk of injury because of their inexperience
C. They cannot be exposed to radiation without their parents permission
D. They cannot be held legally liable for their actions

An unregistered assistant may operate radiographic equipment under which of the following circumstances?
A. Under the direct supervision of a trained unregistered assistant
B. Under the indirect supervision of an RVT
C. Under the indirect supervision of a licensed veterinarian
D. Under the direct supervision of an RVT or a licensed veterinarian

Where should a radiation monitoring device be worn for routine radiography?
A. Under the apron at waist level
B. Outside the apron at waist level
C. Outside the apron at thyroid level
D. Under the apron at collar level

Which of the following statements describes the purpose of collimation?
A. It increases the amount of scatter
B. It increases the size of the primary beam
C. It reduces the amount of scatter
D. It reduces the amount of kVp needed for exposure

Which of the following actions must a person who is in the x-ray room take at the time of exposure?
A. Stand in front of a protective barrier
B. Hold their breath while the exposure in being made
C. Wear a protective apron of preferably 0.5mm lead-equivalent
D. Place their hands directly in their primary beam

Leaded gloves are required to be worn to protect the operator from which of the following dangers when performing veterinary radiography?
A. Exposure to scatter radiation
B. Contact with radiographic contrast media
C. Being bitten by an animal patient
D. Exposure to the primary beam

Which of the following techniques should a veterinary radiographer use to increase radiation safety?
A. General anesthesia when total mobility and complete relaxation is required for accurate positioning
B. Chemical and mechanical restraints whenever possible to eliminate need for holding patient
C. Intensifying screens and/or fast film to reduce exposure time
D. All of the above

Why should leaded goggles be worn when restraining an animal patient for radiography?
A. To protect the cornea from scratchers
B. To prevent contrast media form getting into the eyes
C. To protect the lens from exposure to x-rays
D. To improve the operator's vision

What is the effect on the operator's exposure to radiation by increasing the distance between the operator and the source of radiation?
A. Cannot be determined
B. Exposure to radiation stays the same
C. Reduces the exposure to radiation
D. Increases the exposure to radiation

What is the purpose of cassette holders in large animal radiography?
A. To allow rapid change of film in the field
B. To keep the cassette from moving during exposure
C. To reduce the assistant's exposure to radiation
D. To prevent the patient from soiling the cassette

Which of the following statements accurately describes appropriate radiation safety protocol?
A. Anesthesia and restraint devices such as sandbags should be used only if manual restrain won't work
B. No individuals should be employed or regularly used to hold animal patients during radiation exposures
C. Veterinary radiographers should restrain patients manually even if other restraint methods are available
D. During manual restraint, assistant should position themselves as close to the animal patient as possible

Which of the following duties is a responsibility of the employing/supervising veterinarian?
A. Ascertain that each veterinary radiographer demonstrates familiarity with radiation safety rules
B. Assure that no individual stands in the path of the primary beam
C. Provide radiographers with personnel monitoring devices
D. All of the above

Which of the following statements describes a female radiographer's special risks?
A. The actual dose of radiation exposure to an embryo/fetus is greater than that received by the mother
B. Her ability to bear children is very likely to be affected by occupational exposure within legal limits
C. The embryo/fetus is most sensitive to radiation during the first three (3) months of pregnancy
D. Female assistants should not inform their supervisors if they are pregnant to avoid being relieved of duty

Which of the following statements is true regarding digital radiography?
A. Digital radiographs take longer to develop than standard radiographs
B. The information required to be imprinted on standard, radiographs cannot be imprinted on digital radiographs
C. Repeated exposure to digital radiography does not increase dosage
D. Digital radiography is no safer for the patients and the operator than conventional radiography

Which of the following techniques is recommended when using digital radiography?
A. Stand as close to the patient as possible when positioning them for a radiograph
B. Leave the film in the developer longer if the temperature is colder than normal
C. Use adjustments in the software to enhance the image
D. Open the collimator as wide as possible to get the largest view of the patient