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Questions and Answers
What is the purpose of using a tissue equivalent phantom in isodose measurement?
What is the characteristic of the material used to make the phantom?
What is the advantage of using higher energy X-rays in radiotherapy?
What is the relationship between the photon energy and the depth of the peak dose?
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What is the typical range of the surface dose for most teletherapy units?
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What does the physician do with the plan of the medical physicist?
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Why does the beam enter the skin at an angle other than 90â—¦?
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What is used at higher energies to correct the dose distribution?
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What is the purpose of collimators in LINAC planning?
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What is plotted on the anatomy during LINAC planning?
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What is the volume that has to be treated called?
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What is the minimum dose difference required between the treated volume and elsewhere?
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What is the purpose of using multiple beams in treatment planning?
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What is the role of a Medical Physicist in LINAC planning?
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What is the primary purpose of a CT scan in LINAC planning?
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What is the primary purpose of a treatment simulator in radiation therapy?
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What is the function of multileaf collimators in IMRT?
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Why is patient positioning crucial in radiation therapy?
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What is the purpose of a patient shell in radiation therapy?
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What aspect of quality assurance is involved in ensuring the proper functioning of new equipment?
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What is the main reason for the dose to fall with depth in a tissue?
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What is the purpose of plotting the dose distribution in the form of isodose charts?
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What is the effect of Compton scattering on the beam at low energies?
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What is the characteristic of the isodose lines?
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What is the most penetrating beam used in external beam radiotherapy?
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