ARRT Radiation Therapy > Flashcards_CompetencyExam > Flashcards

Flashcards_CompetencyExam

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1
Q

Tolerance doses change how with volume?

A

They decrease as treatment volume increases.

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2
Q

What does BID mean?

A

Twice a day.

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3
Q

Where are nosocomial infections acquired?

A

In the hospital.

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4
Q

Most common dose-limiting toxicity of chemo?

A

Myelosuppression.

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5
Q

Most radiosensitive cell type?

A

Basal cells.

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6
Q

Petechiae indicate what?

A

Bleeding (low platelets).

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7
Q

Pregnancy dose limit (NCRP)?

A

0.5 rem (5 mSv).

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8
Q

SCV depth?

A

3 cm.

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9
Q

Hinge 150° wedge?

A

15°.

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10
Q

Ipsilateral means?

A

Same side.

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11
Q

What is a keloid?

A

Scar overgrowth.

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12
Q

Low diastolic BP example?

A

120/50.

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13
Q

Common EBRT vaginal side effect?

A

Dyspareunia.

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14
Q

Backscatter factor at dmax?

A

TAR.

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15
Q

Prostate cancer screening test?

A

Digital rectal exam.

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16
Q

Not part of oral cavity?

A

Base of tongue.

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17
Q

Define near miss.

A

Error caught before treatment.

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18
Q

Brain TD 5/5 (⅓)?

A

60 Gy.

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19
Q

When must informed consent be signed?

A

Before any procedure.

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20
Q

Dose >10 Gy causes which ARS?

A

CNS syndrome.

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21
Q

Most common sterilization method?

A

Heat.

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22
Q

QA Level 1 requires?

A

Immediate stop treatment.

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23
Q

Who sets dose limits?

A

NCRP.

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24
Q

Pituitary adenoma is a…?

A

Benign tumor.

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25
5-FU type?
Antimetabolite.
26
PCI is for which cancer?
Small cell lung cancer.
27
T1b glottic involves?
Both vocal cords.
28
0.1 rem/week area classification?
Controlled area.
29
Well-differentiated tumors are usually…
Benign.
30
SSD technique defines field where?
At skin surface.
31
Tool for irregular surface?
Compensating filter.
32
Clinically significant weight loss?
≥10%.
33
PDD changes with field size?
Increases.
34
NSCLC treatment of choice?
Surgery.
35
Quality factor for x-rays?
1
36
Most common primary brain tumor?
Astrocytoma.
37
Most radiosensitive gestation stage?
Preimplantation.
38
JRCERT is a…
Accrediting body.
39
Plane dividing A/P?
Coronal.
40
Gantry/collimator tolerance?
1°.
41
SAD 100, depth 12 → SSD?
88 cm.
42
Prescription must include all except?
Field orientation.
43
Photon intensity ↓ due to?
Inverse square law.
44
Drugs for cerebral edema?
Corticosteroids.
45
QID means?
Four times daily.
46
IMRT output checked how often?
Monthly.
47
Dose for epilation?
2000 cGy.
48
Intrathecal injections enter where?
Spinal cord space.
49
1 Gy equals?
1 J/kg.
50
ITV includes?
GTV + CTV + motion.
51
PDD depends on all except?
SAD.
52
CTV definition?
Tumor + subclinical spread.
53
Magnification of 7→8.2 cm?
1.17.
54
Unilateral hearing loss + neck node suggests?
Nasopharyngeal cancer.
55
Colorectal screening?
FOBT.
56
HU measure?
Attenuation.
57
Most common breast cancer?
Invasive ductal.
58
Liver TD 5/5?
30 Gy.
59
Radiolucent appears…?
Dark on x-ray.
60
1000–5000 cGy causes?
GI syndrome.
61
Time-out ID uses?
ID bracelet.
62
External WB landmark?
External acoustic meatus.
63
Forced shallow breathing?
Gating.
64
8×13 eq square?
10.4 cm.
65
Ann Arbor used for?
Hodgkin’s disease.
66
Thrombocytopenia = low?
Platelets.
67
Not in Cerrobend?
Indium.
68
Breast drainage nodes?
IM, SCV, Axillary.
69
Shock from sepsis etc.?
Vasogenic shock.
70
Tongue immobilization tool?
Cork.
71
Mycosis fungoides is?
Cutaneous T‑cell lymphoma.
72
Best infection prevention?
Handwashing.
73
Most common sinus node?
Submandibular.
74
Most common bladder cancer?
Transitional cell carcinoma.
75
Prevent hotspot with small hinge angle?
Wedge.
76
Photon + inner shell electron = ?
Photoelectric effect.
77
Positive margins mean?
Disease remains.
78
Dose for azoospermia?
2–3 Gy.
79
Mesenchymal tumors are?
Sarcomas.
80
Excisional biopsy removes…?
Entire tumor.
81
Kidney TD 5/5?
23 Gy.
82
Cord ends at?
L1–L2.
83
Who regulates radioactive materials?
NRC.
84
Shift field posterior = table…?
Move anterior.
85
Transverse image axes?
A/P & R/L.
86
Myelopathy from overdose to?
Spinal cord.
87
Co-60 energies?
1.17 & 1.33 MeV.
88
Tumor grade based on?
Differentiation.
89
ARS symptom-free phase?
Latent phase.
90
Anal cancer risk factor?
HPV.
91
215 MU over 315° =?
0.68 MU/degree.
92
Sterile procedure?
Urinary catheter.
93
Orthogonal to 215°?
305°.
94
Lifetime limit age 37?
370 mSv.
95
Esophageal margins?
6 cm.
96
Duke’s used for?
Colorectal cancer.
97
PPE used when?
Tattooing a patient.
ARRT Radiation Therapy
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