1|Page
RAPHEX EXAM 2 || MOST RECENT EXAM 2026| 2027
ACTUAL COMPLETE REAL VERIFIED EXAM
QUESTIONS AND CORRECTLY WELL-DEFINED
ANSWERS (VEERIFIED ANSWERS) ALREADY
GRADED A+ | GUARANTEED SUCCESS!! NEWEST
EXAM!!!
Which of the following is a characteristic of extended SSD
beams for TBI?
A. They can cover entire patient in single field.
B. They have increased dose uniformity.
C. They have decreased dose rate.
D. They have increased treatment time.
E. All of the specific answers are true. - Answer-E. All of
the specific answers are true.
The advantage of using a bilateral beam arrangement
over an AP/PA beam arrangement for total body irradiation
(TBI) is __ .
A. the arms partially shield the lungs
B. more uniform dose to the patient
C. increased need for tissue compensation
,2|Page
D. All of the above are true.
E. None of the above is true. - Answer-A. the arms
partially shield the lungs
An advantage of bilateral, rather than AP/PA, total body
irradiation is __.
A. greater dose homogeneity
B. the need for tissue compensation
C. lung blocks are generally not required
D. decreased treatment time
E. None of the specific answers is true. - Answer-C. lung
blocks are generally not required
For total body irradiation (TBI) a large spoiler screen of 1
to 2 cm thick acrylic is often placed close to the patient's
surface in order to:
A. provide uniform scattering dose to the TBI patient
B. bring the surface to at least 90% of the prescribed TBI
dose
C. reduce electron contamination
D. block low-energy scattered photons - Answer-B. bring
the surface to at least 90% of the prescribed TBI dose
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Regarding TBI treatments, which of the following is true?
A. When used, a spoiler needs to be placed close to the
patient.
B. Dose homogeneity is better for lateral beams than for
anterior-posterior beams.
C. The bowel is the dose-limiting organ.
D. The radiation and light fields are congruent at extended
SSDs.
E. All of the other answers are true. - Answer-A. When
used, a spoiler needs to be placed close to the patient.
The primary role of the beam spoiler in TBI is to __.
A. remove secondary electrons
B. increase skin dose
C. reduce total dose
D. increase dose rate
E. decrease hot spots - Answer-B. increase skin dose
Which of the following statements about the skin dose in
total body irradiation (TBI) is false?
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A. It should be at least 90% of the prescribed TBI dose.
B. A spoiler placed within 50 cm of the patient will bring the
required dose to the skin.
C. The required spoiler thickness depends on the beam
energy.
D. Dose buildup data obtained at 100 cm SSD cannot be
accurately applied at extended TBI distances (e.g., 400
cm).
E. All of the above are false - Answer-B. A spoiler placed
within 50 cm of the patient will bring the required dose to
the skin.
Physical compensators are primarily used for TBI
treatment in order to increase the dose __ .
A. rate
B. homogeneity
C. to the skin
D. to the prescription point
E. none of the other answers - Answer-B. homogeneity
All of the following will improve dose homogeneity for TBI
EXCEPT using:
RAPHEX EXAM 2 || MOST RECENT EXAM 2026| 2027
ACTUAL COMPLETE REAL VERIFIED EXAM
QUESTIONS AND CORRECTLY WELL-DEFINED
ANSWERS (VEERIFIED ANSWERS) ALREADY
GRADED A+ | GUARANTEED SUCCESS!! NEWEST
EXAM!!!
Which of the following is a characteristic of extended SSD
beams for TBI?
A. They can cover entire patient in single field.
B. They have increased dose uniformity.
C. They have decreased dose rate.
D. They have increased treatment time.
E. All of the specific answers are true. - Answer-E. All of
the specific answers are true.
The advantage of using a bilateral beam arrangement
over an AP/PA beam arrangement for total body irradiation
(TBI) is __ .
A. the arms partially shield the lungs
B. more uniform dose to the patient
C. increased need for tissue compensation
,2|Page
D. All of the above are true.
E. None of the above is true. - Answer-A. the arms
partially shield the lungs
An advantage of bilateral, rather than AP/PA, total body
irradiation is __.
A. greater dose homogeneity
B. the need for tissue compensation
C. lung blocks are generally not required
D. decreased treatment time
E. None of the specific answers is true. - Answer-C. lung
blocks are generally not required
For total body irradiation (TBI) a large spoiler screen of 1
to 2 cm thick acrylic is often placed close to the patient's
surface in order to:
A. provide uniform scattering dose to the TBI patient
B. bring the surface to at least 90% of the prescribed TBI
dose
C. reduce electron contamination
D. block low-energy scattered photons - Answer-B. bring
the surface to at least 90% of the prescribed TBI dose
,3|Page
Regarding TBI treatments, which of the following is true?
A. When used, a spoiler needs to be placed close to the
patient.
B. Dose homogeneity is better for lateral beams than for
anterior-posterior beams.
C. The bowel is the dose-limiting organ.
D. The radiation and light fields are congruent at extended
SSDs.
E. All of the other answers are true. - Answer-A. When
used, a spoiler needs to be placed close to the patient.
The primary role of the beam spoiler in TBI is to __.
A. remove secondary electrons
B. increase skin dose
C. reduce total dose
D. increase dose rate
E. decrease hot spots - Answer-B. increase skin dose
Which of the following statements about the skin dose in
total body irradiation (TBI) is false?
, 4|Page
A. It should be at least 90% of the prescribed TBI dose.
B. A spoiler placed within 50 cm of the patient will bring the
required dose to the skin.
C. The required spoiler thickness depends on the beam
energy.
D. Dose buildup data obtained at 100 cm SSD cannot be
accurately applied at extended TBI distances (e.g., 400
cm).
E. All of the above are false - Answer-B. A spoiler placed
within 50 cm of the patient will bring the required dose to
the skin.
Physical compensators are primarily used for TBI
treatment in order to increase the dose __ .
A. rate
B. homogeneity
C. to the skin
D. to the prescription point
E. none of the other answers - Answer-B. homogeneity
All of the following will improve dose homogeneity for TBI
EXCEPT using:
