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Questions and Answers

Many experiments have been conducted to determine which sex is most resistant to the effects of radiation. The indication is that:

  • females are less radiosensitive than males (correct)
  • males are more less radiosensitive that females
  • males are more radiosensitive than females
  • both sexes have the same radiosensitivity
  • Which of the following is not a fundamental principle of radiation protection based on ICRP recommendation

  • Optimization
  • Dose Limitation
  • Shielding (correct)
  • Justification
  • Which is not true about Tenth-Value Layer (TVL) of X-rays?

  • lesser in materials of low atomic number
  • independent kVp (correct)
  • greater in materials of high atomic number
  • independent pf mAs
  • It is the first observed biologic response to radiation exposure characterized by sunburn-like reddening of the skin

    <p>erythema</p> Signup and view all the answers

    The equation E=mc2 is a consequence of Einstein's theory of relativity. The 'c' in the equation stands for

    <p>speed of light</p> Signup and view all the answers

    TLDs are heated and release what type of energy to indicate dose?

    <p>Visible light</p> Signup and view all the answers

    Which of the following is not a known type of transformer?

    <p>High-voltage</p> Signup and view all the answers

    Control of the replenishment system is accomplished by a:

    <p>Microswitch</p> Signup and view all the answers

    What are of the anode is struck by electrons during exposure?

    <p>actual focal spot</p> Signup and view all the answers

    This principle requires that the likelihood of incurring exposures, the number of people exposed and the magnitude of their individual exposures should all be kept as low as reasonably achievable, taking into account economic and societal factors.

    <p>Optimization</p> Signup and view all the answers

    Study Notes

    Radiation and Radiation Protection

    • Experiments have been conducted to determine which sex is most resistant to the effects of radiation.
    • A fundamental principle of radiation protection is to keep the likelihood of incurring exposures, the number of people exposed, and the magnitude of their individual exposures as low as reasonably achievable, taking into account economic and societal factors.

    Radiation Physics

    • The equation E=mc2 is a consequence of Einstein's theory of relativity, where 'c' stands for the speed of light.
    • TLDs (Thermoluminescent Dosimeters) release light energy when heated to indicate the dose of radiation exposure.

    X-rays and Radiation Exposure

    • The first observed biologic response to radiation exposure is characterized by sunburn-like reddening of the skin.
    • Tenth-Value Layer (TVL) of X-rays is a measure of radiation absorption, but it is not true that it is a fundamental principle of radiation protection.

    Medical Imaging and Equipment

    • During exposure, the focal spot of the anode is struck by electrons.
    • Control of the replenishment system is accomplished by a timer.

    Transformers

    • There are known types of transformers, but one type that is not known is not specified.

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    Description

    Determine which sex is most resistant to radiation effects based on experimental results. Learn about the impact of radiation on human health. Understand the differences in radiation resistance between males and females.

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