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DMI 52 Practice Final Test

Quiz by DAVID POON

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200 questions
Show answers
  • Q1
    Which of the following statements best describes current knowledge regarding the effects of exposure to low doses (less than 20 rad) of ionizing radiation?
    Birth defects will occur if the patient is pregnant.
    There is increased risk of cancer, leukemia, birth defects, and cataracts.
    It causes cancer after a certain amount of radiation has been received.
    Depression of the white blood cell count is followed by acute gastrointestinal distress.
    30s
  • Q2
    What is a rad?
    The SI system unit used to measure equivalent dose for occupational exposure
    A factor that quantifies the relative health risks of various types of radiation
    The British system unit used to measure patient radiation dose
    The British system unit for measuring ionization in air
    30s
  • Q3
    What is a rem?
    The British system used to measure equivalent dose for occupational exposure
    The SI system radiation unit for measuring ionization of air
    A factor that quantifies the relative health risks of various types of radiation
    A device containing a crystal that absorbs radiation energy and discharges it in the form of light when heated
    30s
  • Q4
    What is meant by R?
    The SI system unit used to measure patient radiation dose
    A device containing a crystal that absorbs radiation energy and discharges it in the form of light when heated
    The British system unit that is determined by measuring ionization of air
    A factor that quantifies the relative health risks of various types of radiation
    30s
  • Q5
    What is an Sv?
    A radiation unit in the British system used to measure patient dose
    A radiation unit in the SI system that is determined by measuring ionization of air
    A radiation unit in the SI system used to measure equivalent dose for occupational exposure
    A device containing a crystal that absorbs radiation energy and discharges it in the form of light when heated
    30s
  • Q6
    According to the Laws of Bergonié and Tribondeau, which of the following statements is true?
    Cells with a high metabolic rate are less sensitive than those with a low rate.
    Complex cells are more sensitive to radiation injury than simple cells.
    Young cells are more sensitive to radiation injury than older cells.
    Cells that multiply rapidly are less sensitive to radiation injury than those that do not.
    30s
  • Q7
    Events that can occur on the cellular level as a result of radiation exposure include1. cell death.2. cellular malfunction.3. mitotic failure.4. mitosis resulting in abnormal daughter cells.
    1, 2, 3, and 4
    1, 2, and 3 only
    1 and 2 only
    1 and 3 only
    30s
  • Q8
    What is the SI system dose equivalent unit for occupational radiation dose?
    Sv
    rem
    rad
    Gy
    30s
  • Q9
    All of the following are potential latent effects of a low radiation dose (less than 0.2 Gy), except
    erythema.
    thyroid cancer.
    cataractogenesis.
    leukemia.
    30s
  • Q10
    Characteristics that are significant in categorizing radiation effects include1. length of time from exposure to effect.2. predictability vs. randomness.3. quantity of dose.4. type of radiation involved.
    1 and 2 only
    1, 2, 3, and 4
    1, 2, and 3 only
    1 and 3 only
    30s
  • Q11
    Stochastic radiation effects are difficult to identify and measure because1. they are relatively rare.2. they can occur in the absence of radiation exposure.3. there is a long time lapse between exposure and effect.
    2 only
    1 only
    1 and 2 only
    1, 2, and 3
    30s
  • Q12
    Safety precautions for a pregnant radiographer should include1. wearing a fetal radiation monitor badge.2. working assignments that permit her to stand behind a lead barrier during exposures.3. working in an area of the hospital where radiation is not used.
    1 and 2 only
    1 only
    3 only
    2 only
    30s
  • Q13
    A charge of battery may result if a patient is
    verbally threatened.
    restrained without orders.
    slapped.
    allowed to fall.
    30s
  • Q14
    Your friend is scheduled to have an arteriogram and is concerned about the safety of this procedure. She asks for your opinion. You should
    tell her about the hazards of radiation exposure.
    encourage her to discuss her questions with her physician.
    tell her not to worry because the procedure is perfectly safe.
    look up information in her chart and call her later.
    30s
  • Q15
    Information confided to which of the following professionals is not legally “privileged”?
    Physicians
    Lawyers
    Radiographers
    Priests or ministers
    30s

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