P&P Final Exam 2025/2026 Exam
Questions and Verified Answers |
Already Graded A+
What is the process called on how the OBI's and ultrasound bat machine
talk to the treatment machine? - 🧠ANSWER ✔✔Image Registration (Pg.314
W.L)
What are the different ways to monitor breathing with lung tumors? -
🧠ANSWER ✔✔Abdominal compression
Integration of motion into the treatment planning & tracking.
Breath hold
Respiratory Gating
,What are the goals of the radiation oncology team? - 🧠ANSWER ✔✔Plan
deliver accurate and precise treatments.
Increase toxicity
Reduce effects
What is the type of radiation called that delivers an extreme high dose with
1-5 fractions? - 🧠ANSWER ✔✔Stereotactic Treatments (ex: SBRT and
SRS).
What technique was used back then for stereotactic treatments? What was
the type of machine used? - 🧠ANSWER ✔✔Cranial Sterotactic Treatments-
Gamma knife.
What does image guidance do? - 🧠ANSWER ✔✔IGRT is to image the
patient just prior to treatment, then compare the position of the external set
up marks and internal anatomy to the treatment plan.
What is EPID? What does it do? - 🧠ANSWER ✔✔EPID stands for
Electronic Portal Imaging Device. It is used to produce near real time portal
images on a computer screen for evaluation.
, What are the devices on a linear accelerator called, that are used for
imaging? - 🧠ANSWER ✔✔OBI's and MV panel
Which organs are affected by motion? - 🧠ANSWER ✔✔Lungs
Liver
Breast
Pancreas
Esophagus
How does Cyber knife work? What kind of technique does it have? -
🧠ANSWER ✔✔It's able to treat anywhere in the body and uses a non-
isocentric treatment approach (high accuracy).
What is Braggs Peak? - 🧠ANSWER ✔✔Braggs Peak is the sharp increase
in the dose distribution curve of a charged particle such as photons at a
particular depth.
Why is tomo's technique different from other volumetric techniques? -
🧠ANSWER ✔✔Tomo is a CT and a treatment machine.
What is unique about protons? - 🧠ANSWER ✔✔Very sharp fall off.
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
Questions and Verified Answers |
Already Graded A+
What is the process called on how the OBI's and ultrasound bat machine
talk to the treatment machine? - 🧠ANSWER ✔✔Image Registration (Pg.314
W.L)
What are the different ways to monitor breathing with lung tumors? -
🧠ANSWER ✔✔Abdominal compression
Integration of motion into the treatment planning & tracking.
Breath hold
Respiratory Gating
,What are the goals of the radiation oncology team? - 🧠ANSWER ✔✔Plan
deliver accurate and precise treatments.
Increase toxicity
Reduce effects
What is the type of radiation called that delivers an extreme high dose with
1-5 fractions? - 🧠ANSWER ✔✔Stereotactic Treatments (ex: SBRT and
SRS).
What technique was used back then for stereotactic treatments? What was
the type of machine used? - 🧠ANSWER ✔✔Cranial Sterotactic Treatments-
Gamma knife.
What does image guidance do? - 🧠ANSWER ✔✔IGRT is to image the
patient just prior to treatment, then compare the position of the external set
up marks and internal anatomy to the treatment plan.
What is EPID? What does it do? - 🧠ANSWER ✔✔EPID stands for
Electronic Portal Imaging Device. It is used to produce near real time portal
images on a computer screen for evaluation.
, What are the devices on a linear accelerator called, that are used for
imaging? - 🧠ANSWER ✔✔OBI's and MV panel
Which organs are affected by motion? - 🧠ANSWER ✔✔Lungs
Liver
Breast
Pancreas
Esophagus
How does Cyber knife work? What kind of technique does it have? -
🧠ANSWER ✔✔It's able to treat anywhere in the body and uses a non-
isocentric treatment approach (high accuracy).
What is Braggs Peak? - 🧠ANSWER ✔✔Braggs Peak is the sharp increase
in the dose distribution curve of a charged particle such as photons at a
particular depth.
Why is tomo's technique different from other volumetric techniques? -
🧠ANSWER ✔✔Tomo is a CT and a treatment machine.
What is unique about protons? - 🧠ANSWER ✔✔Very sharp fall off.
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
