Radiography Protection & Radiobiology

23 Questions | Total Attempts: 365

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Radiography Protection & Radiobiology

In this quiz on radiography, we’ll look at some of the proper safety protocols when using X-rays, which come with a lot of harmful radiation if you’re not careful. What do you know about the practice?


Questions and Answers
  • 1. 
    Ionizing radiation is dangerous because it is capable of producing ions or charged particles, such as: Alpha particles, beta particles, gamma rays, and x-rays
    • A. 

      True

    • B. 

      False

  • 2. 
    What are two sources of ionizing radiation?
    • A. 

      Natural Made Radiation

    • B. 

      Human made Radiation

    • C. 

      None of the above

  • 3. 
    What are examples of ionizing radiaton?
    • A. 

      Cosmic Radiation

    • B. 

      Natural occurring substances on Earth

    • C. 

      Natural in air

    • D. 

      Internal Radiation

  • 4. 
    What are Human made sources of ionizing radiation?
    • A. 

      Medical & Dental

    • B. 

      Nuclear Industry

    • C. 

      Radionuclides

  • 5. 
    What are the two types of cells?
    • A. 

      Somatic- Perform all body functions

    • B. 

      Brain

    • C. 

      Germ- Reproductive

  • 6. 
    What are the most radiosensitive cells?
    • A. 

      Basal cells of skin

    • B. 

      Crypt cells of small intestine

    • C. 

      Germ cells

    • D. 

      Brain cells

  • 7. 
    The cells that are resistant to radiation are Nerve, Muscle, and Brain cells.
    • A. 

      True

    • B. 

      False

  • 8. 
    What are the areas of the body that are most sensitive to radiation?
    • A. 

      Eyes, Skin, and Heart

    • B. 

      Stomach and Intestines

    • C. 

      Reproductive Organs and the Brain

    • D. 

      Lens of the Eye, Thyroid, and Gonads

  • 9. 
    Deterministic effects develop soon after exposure; Run for a short, but rather severe course
    • A. 

      Late or Stochastic Effects

    • B. 

      Early or Acute Effects

    • C. 

      None of the above

  • 10. 
    Examples: Cataract formation, Carcinogenesis, and Genetic Effects are from?
    • A. 

      Acute Effects

    • B. 

      Somatic / Late Effects

    • C. 

      Scatter Radiation

    • D. 

      None of the above

  • 11. 
    What is the annual dose limit?
  • 12. 
    What is the general population annual dose of radiation?
    • A. 

      5 rem or 50 mSv

    • B. 

      10 rem or 100 mSv

    • C. 

      .1 rem or 1 mSv

    • D. 

      .5 rem or 5 mSv

  • 13. 
    What does ALARA stand for?
  • 14. 
    What are the Cardinal Principles of Protection that are used to minimize patient exposure?
    • A. 

      Time

    • B. 

      Distance

    • C. 

      Shielding

    • D. 

      Quality

  • 15. 
    Where does Primary Radiation generated in an x-ray room come from?
    • A. 

      Patient

    • B. 

      Scatter

    • C. 

      Protective Housing

    • D. 

      X-ray tube that exits from collimator

  • 16. 
    Where does Scatter Radiation generated in an x-ray room come from?
    • A. 

      X-ray tube from collimator

    • B. 

      Protective housing

    • C. 

      Patient

    • D. 

      Direct Contact under beam

  • 17. 
    Where does Leakage radiation generated from an x-ray room come from?
    • A. 

      X-ray tube from collimator

    • B. 

      Patient

    • C. 

      Direct Contact under beam

    • D. 

      Protective Housing

  • 18. 
    You should stand at least 2m or 6ft from a patient at 90deg?
    • A. 

      True

    • B. 

      False

  • 19. 
    Measures Exposure Levels
  • 20. 
    Contains crystals that absorb a portion of the energy they receive from radiation exposure.
    • A. 

      RSO

    • B. 

      OSL

    • C. 

      TLD

    • D. 

      Film Badge

  • 21. 
    What are some ways to reduce radiation?
    • A. 

      Use beam limitation devices (collimators)

    • B. 

      Use a higher KVp and LOWER mAs

    • C. 

      Immobilize patients to eliminate voluntary motion

  • 22. 
    What are SHORT TERM effects of radiation? (Somatic)
    • A. 

      Nausea

    • B. 

      Fatigue

    • C. 

      Loss of Hair

    • D. 

      Fever

    • E. 

      Blood Disorders

    • F. 

      Intestinal Disorders

    • G. 

      Redness of Skin

  • 23. 
    What are LONG TERM soamtic effects of radiation?
    • A. 

      Cancer

    • B. 

      Birth defects

    • C. 

      Teretogenesis

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