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27 Cards in this Set
- Front
- Back
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The biological effect of radiation is measured in what units?
A. Roentgen B. rad C. Rem D. Curies |
C. Rem |
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What is the optimum time of development of an x-Ray at 68•F?
A. 3 min B. 5 min C. 6 min D. 7 min |
B. 5 min |
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Chronic exposure to x-radiation will most likely cx what?
A. Incr in rate of leukemia B. Incr in rate of neoplasia C. Incr in rate of cataract D. All of the above |
D. All of the above |
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What cx a clear border around developed x-Ray film?
A. Collimation B. insufficient time in developer C. Using too big of film D. Over exposure of film |
A. Collimation |
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The amt of x-rays received in course of employment by an indiv since 18 years of age is called what?
A. Acquired dose B. total dose C. Occupational dose D. Allowable dose |
C. Occupational dose |
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The minimum standard of lead equivalent for aprons is 0.25 mm and for gloves is what?
A. The same B. 0.3 mm C. 0.4 mm D. 0.5 mm |
A. The same |
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Which adjustment of the x-Ray machine will give variety to the penetrating ability of the x-ray beam?
A. mA B. kVp C. Exposure time D. Collimation |
B. kVp |
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The length of cord on the hand or foot switch cannot be less than how long?
A. 4 feet B. 6 feet C. 8 feet D. 10 feet |
B. 6 feet |
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How many millirems are there in 7.5 rems of radiation exposure?
A. 75 B. 750 C. 7500 D. 75,000 |
C. 7500 |
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To evaluate the integrity of gloves, they are best radiographed using the following exposure factors:
A. 80 kVp, 10 mAs, 40 @ffd B. 85 kVp, 10 mAs, 40 @ffd C. 85 kVp, 15 mAs, 40 @ffd D. 80 kVp, 10 mAs, 36 @ffd |
B. 85 kVp, 10 mAs, 40 @ffd |
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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 |
D. All of the above |
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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. Low birth weight C. Premature birth D. Glaucoma |
A. Childhood leukemia and other cancers |
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Why are individuals under the age of 18 excluded from performing or assisting in radiography?
A. They cannot be held legally liable for their actions 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 are at greater risk of radiation injury because their cells are reproducing more rapidly |
D. They are at greater risk of radiation injury because their cells are reproducing more rapidly |
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An unregistered assistant may operate radiographic equipment under which of the following circumstances?
A. Under the direct supervision of an RVT or a licensed veterinarian B. under the direct supervision of a trained unregistered assistant C. Under the indirect supervision of a licensed veterinarian D. Under the indirect supervision of an RVT |
A. Under the direct supervision of an RVT or a licensed veterinarian |
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Where should a radiation monitoring device be worn for routine radiography?
A. Under the apron at waist level B. Under the apron at collar level C. Outside the apron at waist level D. Outside the apron at thyroid level |
D. Outside the apron at thyroid level |
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Which of the following statements describes the purpose of collimation?
A. It reduces the amount of scatter B. It increases the amount of scatter C. It increases the size of the primary beam D. It reduces the amount of kVp needed for exposure |
A. It reduces the amount of scatter |
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Which of the following actions must a person who is in the x-ray room take the time of exposure
A. Stand in front of a protective barrier B. Place their hands directly in the primary beam C. Hold their breath while the exposure is being made D. Wear a protective apron at preferably 0.5 mm lead equivalent |
D. Wear a protective apron at preferably 0.5 mm lead equivalent |
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Leaded gloves are required to be worn to protect the operator from which of the following dangers when performing veterinary radiography?
A. Being bitten by the animal patient B. exposure to the primary beam C. Contact with radiographic contrast material D. Exposure to scatter radiation |
D. Exposure to scatter radiation |
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Which of the following techniques should a veterinary radiographer use to increase radiation safety?
A. General anesthesia when total mobility and completely 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 |
D. All of the above |
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Why should leaded goggles be worn when restraining an animal patient for radiography?
A. To prevent contrast media from getting into the eyes B. to protect the lens from exposure to x-rays C. To protect the cornea from scratches D. To improve the operators vision |
B. to protect the lens from exposure to x-rays |
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What is the effect on the operators exposure to radiation by increasing the distance between the operator and the source of radiation?
A. Reduces the exposure to radiation B. increases the exposure to radiation C. Exposure to radiation stays the same D. Cannot be determined |
A. Reduces the exposure to radiation |
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What is the purpose of cassette holders in large animal radiography
A. To keep the cassette from moving during exposure B. to prevent the patient from soiling the cassette C. To reduce the assistant exposure to radiation D. To allow rapid change of film in the field |
C. To reduce the assistant exposure to radiation |
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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 restraint won't work B. no individual should be employed or regular used to hold animal l patients during radiation exposures C. During manual restraint, assistance should position themselves as close to the animal patient as possible D. Veterinary radiographers should restrain patients manually even if other restraint methods are available |
B. no individual should be employed or regular used to hold animal l patients during radiation exposure |
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Which of the following duties is the responsibility of the employee/ 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 personal monitoring devices D. All of the above |
D. All of the above |
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Which of the following statements describes a female radiographer's special risks?
A female assistant should not inform their supervisors if they're pregnant to avoid being relieved of duty B. The actual dose of radiation exposure to an embryo/fetus is greater than that received by the mother C. Her ability to bear children is very likely to be affected by occupational exposure within legal limits D. The embryo/fetus is most sensitive to radiation during the first three months of pregnancy |
D. The embryo/fetus is most sensitive to radiation during the first three months of pregnancy |
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Which of the following statements is true regarding digital radiography?
A. Digital radiography is no safer for the patient and operator than conventional videography B. digital radiographs take no longer to develop than standard radiographs C. Repeated exposure to digital radiography does not increase radiation dosage D. Information required to be imprinted on standard radiographs cannot be imprinted on digital radiographs |
A. Digital radiography is no safer for the patient and operator than conventional videography |
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Which of the following techniques is recommended when using digital radiography?
A. Stand as close to the patient as possible when positioning them for radiograph B. Use adjustments in the software to enhance the image C. Leave the fim in the developer longer if the temperature is colder than normal D. Open the collimator as wide as possible to get the largest view of the patient |
B. Use adjustments in the software to enhance the image |
