Clinical Radiation Generators Part-1
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Questions and Answers

What is the maximum power output of the electrostatic accelerator mentioned in the text?

  • 1 kW (correct)
  • 2 kW
  • 5 kW
  • 500 W

What is the purpose of using a filter of 0.5 to 1 mm thick aluminum in contact therapy?

  • To soften the beam
  • To absorb the very soft component of the energy spectrum (correct)
  • To harden the beam
  • To increase the penetration depth

What is the typical source-to-surface distance (SSD) used in superficial therapy?

  • 2-5 cm
  • 50-60 cm
  • 30-40 cm
  • 15-20 cm (correct)

What is the limitation of orthovoltage therapy?

<p>High skin dose (A)</p> Signup and view all the answers

What is the typical accelerating potential used in superficial therapy?

<p>50-150 kV (B)</p> Signup and view all the answers

What is a crucial requirement for clinical radiation generators?

<p>High particle energy for penetration (D)</p> Signup and view all the answers

What is the reason for replacing Grenz-ray therapy with electron beam therapy?

<p>No specific reason mentioned (A)</p> Signup and view all the answers

Which type of clinical radiation generator is used for skin cancer treatment?

<p>Kilovoltage Units (B)</p> Signup and view all the answers

What is the primary purpose of the Xstrahl 100 system?

<p>Treating superficial skin conditions (D)</p> Signup and view all the answers

Which of the following is NOT a type of clinical radiation generator?

<p>MRI Machine (B)</p> Signup and view all the answers

What is a characteristic of Linear Accelerators among clinical radiation generators?

<p>High particle flux and energy-efficient (A)</p> Signup and view all the answers

According to NCRP Report #34, what type of radiation generators is Xstrahl 100 classified under?

<p>Kilovoltage Units (C)</p> Signup and view all the answers

What is the primary technical challenge in building Super Voltage Therapy units?

<p>Insulating the high voltage transformer (B)</p> Signup and view all the answers

What type of radiation therapy uses x-ray beams with energy > 1 MeV?

<p>Megavoltage Therapy (A)</p> Signup and view all the answers

Which type of accelerator is commonly used in radiation therapy to produce high-energy gamma rays?

<p>Linear Accelerator (A)</p> Signup and view all the answers

What is the primary function of a resonant transformer in Super Voltage Therapy units?

<p>To achieve resonant frequency (A)</p> Signup and view all the answers

What type of accelerator is used in radiation therapy to produce high-energy particle beams?

<p>Cyclotron (A)</p> Signup and view all the answers

What is the primary advantage of Orthovoltage Therapy units?

<p>Increased absorbed dose in bone (D)</p> Signup and view all the answers

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