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Radiation Therapy Review-Practice Test 5 Exam Questions and Answers $12.49   Add to cart
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Radiation Therapy Review-Practice Test 5 Exam Questions and Answers
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  • Radiation therapy
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  • Radiation Therapy

The tolerance for daily electron output on the linear accelerator is: - Answer-3% The __________ dosimeter is accurate to 10 µSv for x-ray and gamma photons and is not affected by heat, moisture or pressure. - Answer-Optical stimulated luminescence (OSL) Upon completion of CT simulation, the...

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  • October 7, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • radiation therapy review practice test 5 exam ques
  • the tolerance for daily electron output on the lin

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  • Radiation therapy

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Radiation Therapy Review-Practice Test
5 Exam Questions and Answers
The tolerance for daily electron output on the linear accelerator is: - Answer-3%

The __________ dosimeter is accurate to 10 µSv for x-ray and gamma photons and is
not affected by heat, moisture or pressure. - Answer-Optical stimulated luminescence
(OSL)

Upon completion of CT simulation, the data needs to be transferred to the dosimetry
treatment planning system to enable a treatment plan and calculation to be completed.
What vehicle would be used to send the data to the planning system? - Answer-DICOM

A normal blood urea nitrogen (BUN) level for an adult is: - Answer-7-20 mg/µl

A treatment schedule of 80.5 Gy (1.15 Gy BID) delivered in 70 treatments over 7 weeks
is an example of a _________ treatment schedule. - Answer-hyperfractionated

The use of bolus materials: - Answer-Decreases skin sparing

A common sign of rectal cancer is: - Answer-hematochezia

What is hematochezia? - Answer-bright red blood in stool

What is Achalasia? - Answer-Rare disorder that makes it difficult for food and liquid to
pass from the swallowing tube connecting your mouth and stomach (esophagus) into
your stomach

All of the following are considered cancers of the blood EXCEPT? - Answer-A)
lymphoma
B) leukemia
C) multiple myeloma
D) sarcoma-CORRECT

If a prostate was being treated with an anterior arc, what would happen if the lasers
were lined up 1 cm posterior to the central axis of the tumor? - Answer-There would be
a geometric target miss

The tolerance for monthly collimator angle accuracy is: - Answer-1 degree

The most radiosensitive cell during female germ development is the ___________. -
Answer-oocyte

, Which of the following is the grading system commonly used to grade prostate cancer?
- Answer-Gleason

A seizure can be described as: - Answer-The uncontrolled movement of muscles.

If a patient experiences a mild reaction from contrast media, which of the following
would be the MOST appropriate intervention? - Answer-Observation is required

What is urticaria? - Answer-Hives

If a patient experiences urticaria during administration of contrast, how should this acute
reaction be managed? - Answer-Discontinue injection and give the patient a histamine

What are the uses for a Geiger-Muller counter? - Answer-1) Detect radioactivity
2) Survey background radiation

What are signs of increased intracranial pressure? - Answer-1) Headache
2) Nausea
3) Seizure

Cerrobend is made up of what materials? - Answer-Bismuth, Lead, Tin, Cadmium

The chest compression to ventilation ratio for a single rescuer giving CPR to an adult
patient is: - Answer-30:2

What are methods of localization for isocenter placement? - Answer-1) Computing
isocenter based on field border placement
2) Placement of isocenter based on treatment volume
3) Using external skin fiducials

An event that occurs and is found prior to treatment delivery is called a(n): - Answer-
Near miss

What is the maximum field size in cm of a linear accelerator? - Answer-40x40

How often must chart check be done by physicists? - Answer-weekly

When positioning the patient in the CT scanner for a simulation, what are advantages
for placing the scan field of view in the center of the bore? - Answer-1) eliminates image
artifacts
2) ensures FOV is encompassed
3) provides the best image quality

When deciding on patient immobilization during the simulation, it's important to: -
Answer-Be sure the patient is comfortable for reproducibility on a day to day basis

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