RAD117 FINAL REVIEW- REAL EXAM QUESTIONS
WITH EXPERT VERIFIED ANSWERS FOR
GUARANTEED PASS | LATEST UPDATE 2025
The exposure rate at 1 foot (30 cm) from a patient who has been given a
radiopharmaceutical is .15 mR/hour. What is the exposure rate 6 feet (180 cm) from the
same patient? - ✔✔.004 mR/hour
The use of personal dosimeters is limited to determining the whole-body dose
monitoring only. - ✔✔False
Radioactive half-life is best defined as the time required for a radionuclide to... -
✔✔Become half as radioactive
An atomic nucleus acquires a certain particle transforming a proton into a neutron.
What is this particle? - ✔✔Positron
Palliation is a word that means: - ✔✔Relieving symptons
A radiation therapist is a: - ✔✔Technologist
Radiosensitivity in the context of radiation oncology means that cancer cells are: -
✔✔Radiosensitive to radiation similar to healthy cells from which they originate
Tolerance in the context of radiation oncology that means: - ✔✔The radiation
treatment can cure, but can also injure or kill healthy tissue
, TD5/5 is a way of measuring: - ✔✔Complication rates
Cancer cells are considered more susceptible to ionizing radiation when they are: -
✔✔Oxygenated
The ratio of the dose required to treat a hypoxic tumor to the dose required to treat the
same tumor under oxygenated conditions defines: - ✔✔OER
Which of the following radiations is most effective at treating superficial cancerous
lesions like malignant melanoma of Kaposi's sarcoma? - ✔✔Electron beam
What radiation has the highest LET? - ✔✔Gamma rays
In radiation therapy, the primary benefit of fractionation is: - ✔✔Healthy tissue
sparing
Intracavitary and intersitial implantation of radionuclide sources are two types of: -
✔✔Brachytherapy
Because of the magnitude of x-ray energy applied to treatment, patients, treated on
linear accelerators emit radiation after each treatment. - ✔✔False
The minimum distance that a person should stand away from a patient with a
radioactive implant when not performing patient care tasks or when doing portable
radiography is: - ✔✔6 feet
WITH EXPERT VERIFIED ANSWERS FOR
GUARANTEED PASS | LATEST UPDATE 2025
The exposure rate at 1 foot (30 cm) from a patient who has been given a
radiopharmaceutical is .15 mR/hour. What is the exposure rate 6 feet (180 cm) from the
same patient? - ✔✔.004 mR/hour
The use of personal dosimeters is limited to determining the whole-body dose
monitoring only. - ✔✔False
Radioactive half-life is best defined as the time required for a radionuclide to... -
✔✔Become half as radioactive
An atomic nucleus acquires a certain particle transforming a proton into a neutron.
What is this particle? - ✔✔Positron
Palliation is a word that means: - ✔✔Relieving symptons
A radiation therapist is a: - ✔✔Technologist
Radiosensitivity in the context of radiation oncology means that cancer cells are: -
✔✔Radiosensitive to radiation similar to healthy cells from which they originate
Tolerance in the context of radiation oncology that means: - ✔✔The radiation
treatment can cure, but can also injure or kill healthy tissue
, TD5/5 is a way of measuring: - ✔✔Complication rates
Cancer cells are considered more susceptible to ionizing radiation when they are: -
✔✔Oxygenated
The ratio of the dose required to treat a hypoxic tumor to the dose required to treat the
same tumor under oxygenated conditions defines: - ✔✔OER
Which of the following radiations is most effective at treating superficial cancerous
lesions like malignant melanoma of Kaposi's sarcoma? - ✔✔Electron beam
What radiation has the highest LET? - ✔✔Gamma rays
In radiation therapy, the primary benefit of fractionation is: - ✔✔Healthy tissue
sparing
Intracavitary and intersitial implantation of radionuclide sources are two types of: -
✔✔Brachytherapy
Because of the magnitude of x-ray energy applied to treatment, patients, treated on
linear accelerators emit radiation after each treatment. - ✔✔False
The minimum distance that a person should stand away from a patient with a
radioactive implant when not performing patient care tasks or when doing portable
radiography is: - ✔✔6 feet
