Radiation Therapy Techniques Quiz

To save healthy tissue while targeting malignant tissue

Tumors have higher radiation sensitivity due to their rapid cell division.

Cell Survival

<p>X-rays, Gamma rays, Electrons</p> Signup and view all the answers

<p>Solid tumors</p> Signup and view all the answers

<p>External beam uses a linear accelerator, while brachytherapy involves placing radioactive material inside the patient.</p> Signup and view all the answers

<p>Ionizing radiation is radiation with a frequency greater than 1 x 10^15 Hz that can break bonds and cause electrons to be freed from an atom.</p> Signup and view all the answers

<p>X-rays cause ionization in biological tissue by interacting with atoms, leading to the removal of electrons from the atoms and the creation of ions.</p> Signup and view all the answers

<p>Atoms respond to different types of electromagnetic radiation by processes such as atomic rotation, vibration, and ionization.</p> Signup and view all the answers

<p>Radiotherapy is a treatment method that uses ionizing radiation, such as x-rays, to target and destroy cancer cells.</p> Signup and view all the answers

<p>X-rays can be used in cancer treatment to shrink tumors, relieve pain, and destroy cancer cells.</p> Signup and view all the answers

<p>In radiation therapy, treatment planning and dosimetry require precise calculations of radiation energy, wavelength, and dose distribution.</p> Signup and view all the answers

<p>To provide maximum cumulative dose to the tumour and minimal damage to healthy tissue.</p> Signup and view all the answers

<p>Using advanced imaging techniques such as ultrasound, CT, or MRI.</p> Signup and view all the answers

<p>They are used to predict the energy distribution within the tissue to destroy the tumour and minimize damage to healthy tissue.</p> Signup and view all the answers

<p>To ensure the destruction of the tumour while minimizing damage to surrounding vital organs.</p> Signup and view all the answers

<p>To deliver the required energy dose to destroy the tumour.</p> Signup and view all the answers

<p>By using precise irradiation patterns and energy distribution.</p> Signup and view all the answers

<p>To provide the appropriate energy distribution to destroy the tumour.</p> Signup and view all the answers

<p>To ensure that the patient is in the right position according to the treatment plan.</p> Signup and view all the answers

<p>To hold the patient in place during treatment or minimize exposure to sensitive areas.</p> Signup and view all the answers

<p>They are used for treatment planning in radiotherapy.</p> Signup and view all the answers

<p>To understand the distribution of radiation energy and ensure that the tumour receives the necessary dose.</p> Signup and view all the answers

<p>An area with a deposited energy greater than that required to 'kill' the tumour.</p> Signup and view all the answers

<p>The locations of the multileaf collimators (MLC) that shape each beam to the outline of the tumor.</p> Signup and view all the answers

<p>Ionizing radiation is radiation that has enough energy to remove tightly bound electrons from atoms, creating ions.</p> Signup and view all the answers

<p>X-rays cause ionization by transferring energy to atoms, leading to the creation of free radicals and ions.</p> Signup and view all the answers

<p>Radiotherapy is a medical treatment that uses ionizing radiation to target and kill cancer cells.</p> Signup and view all the answers

<p>X-rays can be used to target and destroy cancerous tumors in radiotherapy.</p> Signup and view all the answers

<p>Treatment planning and dosimetry in radiation therapy require precise imaging, accurate calculations of radiation energy, and consideration of the tumor location.</p> Signup and view all the answers