Radiation Therapy Board Review 2026 NEWEST
EXAM COMPLETE 200 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ BRAND
NEW!!
____ work(s) best with sparsely ionizing radiation by scavenging for free radicals.
A. Radiosensitizers
B. Radioprotectors
C. Oxygen
D. RBE - CORRECT ANSWER: B. Radioprotectors
#55 The DRR on the back of this card is likely an initial treatment field for Cancer of the:
A. Nasopharynx
B. Base of tongue
C. Oropharynx
D. Hypopharynx - CORRECT ANSWER:
#57 The DRR on the back of this card is likely an initial treatment field for Cancer of the:
A. Wilm's tumor
B. Ovarian cancer
C. Seminoma
D. Hodgkin's lymphoma - CORRECT ANSWER:
,#59 The DRR on the back of this card is likely an initial treatment field for Cancer of the:
A. Hypopharynx
B. Nasopharynx
C. Base of tongue
D. Supraglotic larynx - CORRECT ANSWER:
#61 The DRR on the back of this card is likely an initial treatment field for Cancer of the:
A. Ovarian cancer
B. Hodgkin's disease
C. Seminoma
D. Wilm's Tumor - CORRECT ANSWER:
#63 The pea shaped blocks in the DRR on the back of this card are placed to protect the:
A. Liver
B. Small bowel
C. Colon flexures
D. Kidneys - CORRECT ANSWER:
#65 According to the dose volume histogram on the back of this card, 50% of the GTV receives:
A. 4000 cGy
B. 4100 cGy
C. 4250 cGy
D. 4500 cGy - CORRECT ANSWER:
,#65 According to the dose volume histogram on the back of this card, the whole heart receives:
A. 0 cGy
B. 250 cGy
C. 1000 cGy
D. 1400 cGy - CORRECT ANSWER:
#69 According to the treatment plan isodose on the back of this card, which field requires a
wedge:
A. Right lateral
B. Left lateral
C. Anterior
D. Posterior - CORRECT ANSWER:
#71 The isodose distribution shown on the back of this card is for what beam arrangement?
A. 270 degree arc
B. 360 degree arc
C. 3 field
D. 4 field box - CORRECT ANSWER:
#134 answer:
D. 1.006
, Interpolate:
Take the average between 10 cm square at 4 cm depth and 12 cm square at 5 cm depth.
Therefore:
10 cm square at 4 cm depth = 1.009
12 cm square at 5 cm depth = 1.002
So:
1.009 + 1.002 = 2.011
2.011/2 = 1.0055 = 1.006 - CORRECT ANSWER: #134 answer:
D. 1.006
Interpolate:
Take the average between 10 cm square at 4 cm depth and 12 cm square at 5 cm depth.
Therefore:
10 cm square at 4 cm depth = 1.009
12 cm square at 5 cm depth = 1.002
So:
EXAM COMPLETE 200 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ BRAND
NEW!!
____ work(s) best with sparsely ionizing radiation by scavenging for free radicals.
A. Radiosensitizers
B. Radioprotectors
C. Oxygen
D. RBE - CORRECT ANSWER: B. Radioprotectors
#55 The DRR on the back of this card is likely an initial treatment field for Cancer of the:
A. Nasopharynx
B. Base of tongue
C. Oropharynx
D. Hypopharynx - CORRECT ANSWER:
#57 The DRR on the back of this card is likely an initial treatment field for Cancer of the:
A. Wilm's tumor
B. Ovarian cancer
C. Seminoma
D. Hodgkin's lymphoma - CORRECT ANSWER:
,#59 The DRR on the back of this card is likely an initial treatment field for Cancer of the:
A. Hypopharynx
B. Nasopharynx
C. Base of tongue
D. Supraglotic larynx - CORRECT ANSWER:
#61 The DRR on the back of this card is likely an initial treatment field for Cancer of the:
A. Ovarian cancer
B. Hodgkin's disease
C. Seminoma
D. Wilm's Tumor - CORRECT ANSWER:
#63 The pea shaped blocks in the DRR on the back of this card are placed to protect the:
A. Liver
B. Small bowel
C. Colon flexures
D. Kidneys - CORRECT ANSWER:
#65 According to the dose volume histogram on the back of this card, 50% of the GTV receives:
A. 4000 cGy
B. 4100 cGy
C. 4250 cGy
D. 4500 cGy - CORRECT ANSWER:
,#65 According to the dose volume histogram on the back of this card, the whole heart receives:
A. 0 cGy
B. 250 cGy
C. 1000 cGy
D. 1400 cGy - CORRECT ANSWER:
#69 According to the treatment plan isodose on the back of this card, which field requires a
wedge:
A. Right lateral
B. Left lateral
C. Anterior
D. Posterior - CORRECT ANSWER:
#71 The isodose distribution shown on the back of this card is for what beam arrangement?
A. 270 degree arc
B. 360 degree arc
C. 3 field
D. 4 field box - CORRECT ANSWER:
#134 answer:
D. 1.006
, Interpolate:
Take the average between 10 cm square at 4 cm depth and 12 cm square at 5 cm depth.
Therefore:
10 cm square at 4 cm depth = 1.009
12 cm square at 5 cm depth = 1.002
So:
1.009 + 1.002 = 2.011
2.011/2 = 1.0055 = 1.006 - CORRECT ANSWER: #134 answer:
D. 1.006
Interpolate:
Take the average between 10 cm square at 4 cm depth and 12 cm square at 5 cm depth.
Therefore:
10 cm square at 4 cm depth = 1.009
12 cm square at 5 cm depth = 1.002
So:
