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Radiation Therapy Quiz

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Questions and Answers

What is the primary physical advantage of brachytherapy?

Reduced treatment time
Improved localized delivery of dose to the target volume (correct)
Increased treatment area
Uniform dose delivery

What is a limitation of brachytherapy?

It requires a high level of radiation exposure
It is only effective in treating benign tumours
It can only be used in cases with large tumours
It can only be used in cases with well-localized and relatively small tumours (correct)

What percentage of radiotherapy patients are typically treated with brachytherapy?

20-30%
10-20% (correct)
30-40%
5-10%

Why is source positioning important in brachytherapy?

It affects the treatment outcome (C) Signup and view all the answers

What is an advantage of using well-established models in brachytherapy?

They benefit from long experience (D) Signup and view all the answers

What is a consequence of geometrical misses in brachytherapy?

Reduced treatment effectiveness (D) Signup and view all the answers

Why is quality control important in brachytherapy?

To guarantee treatment is given in accordance with its purposes (D) Signup and view all the answers

What can influence the therapeutic outcome in brachytherapy?

Dose rate effects (C) Signup and view all the answers

What is affected by the continuous delivery of dose in brachytherapy?

All of the above (D) Signup and view all the answers

What is a characteristic of brachytherapy dose delivery?

Steep dose gradient (B) Signup and view all the answers

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