Clubbing of the distal phalanges may be a clinical sign of:
A. Basal cell carcinoma
B. Metastatic melanoma
C. Upper extremity lymphedema
D. Chronic obstructive pulmonary disease
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D. Chronic obstructive pulmonary disease
The dosimetric physical field is the distance intercepted by a given _____ on a plane
perpendicular to the beam axis at the stated source distance.
A. 30% isodose curve
B. 50% isodose curve
,C. 80% isodose curve
D. 100% isodose curve
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B. 50% isodose curve
In a SAD setup, the field size is defined:
A. On the skin surface
B. At the isocenter
C. At the depth of Dmax
D. None of the above
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B. At the isocenter
For electrons less than 10 MeV what is the thickness of lead required to obtain less
than 5% transmission?
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3 mm
The purpose of CSF is:
1. Buoyancy
2. Protection
,3. Chemical stability
4. Filtration
A. 1, 2, & 4
B. 1, 3, & 4
C. 1, 2, & 3
D. 2, 3, & 4
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C. 1, 2, & 3
Which of the following isotopes are most commonly used in Low Dose Rate (LDR)
afterloading brachytherapy for the treatment of Prostate cancer?
A. I-131
B. I-125
C. Cs-137
D. Ir-192
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B. I-125
Which radiation monitoring device is composed of ferrous sulfate, sodium chloride,
and sulfuric acid?
A. TLD
B. OSL
C. Fricke dosimeter
D. Ionization chamber
E. Cutie Pie
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C. Fricke dosimeter
During a course of radiation therapy for basal cell carcinoma of the medial canthus,
an obstructed nasolacrimal duct may result in _____.
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Watery eyes
Dose equivalent (DE) is:
1. The unit of absorbed dose
2. Equal to the quality favor multiplied by the absorbed dose
3. Measured in rads (Gy)
4. Measured in rem (Sv)
A. 1 only
B. 2 only
C. 2 & 4
D. 3 & 4
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C. 2 & 4
Virchow's node lies in the:
A. Basal cell carcinoma
B. Metastatic melanoma
C. Upper extremity lymphedema
D. Chronic obstructive pulmonary disease
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D. Chronic obstructive pulmonary disease
The dosimetric physical field is the distance intercepted by a given _____ on a plane
perpendicular to the beam axis at the stated source distance.
A. 30% isodose curve
B. 50% isodose curve
,C. 80% isodose curve
D. 100% isodose curve
Give this one a try later!
B. 50% isodose curve
In a SAD setup, the field size is defined:
A. On the skin surface
B. At the isocenter
C. At the depth of Dmax
D. None of the above
Give this one a try later!
B. At the isocenter
For electrons less than 10 MeV what is the thickness of lead required to obtain less
than 5% transmission?
Give this one a try later!
3 mm
The purpose of CSF is:
1. Buoyancy
2. Protection
,3. Chemical stability
4. Filtration
A. 1, 2, & 4
B. 1, 3, & 4
C. 1, 2, & 3
D. 2, 3, & 4
Give this one a try later!
C. 1, 2, & 3
Which of the following isotopes are most commonly used in Low Dose Rate (LDR)
afterloading brachytherapy for the treatment of Prostate cancer?
A. I-131
B. I-125
C. Cs-137
D. Ir-192
Give this one a try later!
B. I-125
Which radiation monitoring device is composed of ferrous sulfate, sodium chloride,
and sulfuric acid?
A. TLD
B. OSL
C. Fricke dosimeter
D. Ionization chamber
E. Cutie Pie
, Give this one a try later!
C. Fricke dosimeter
During a course of radiation therapy for basal cell carcinoma of the medial canthus,
an obstructed nasolacrimal duct may result in _____.
Give this one a try later!
Watery eyes
Dose equivalent (DE) is:
1. The unit of absorbed dose
2. Equal to the quality favor multiplied by the absorbed dose
3. Measured in rads (Gy)
4. Measured in rem (Sv)
A. 1 only
B. 2 only
C. 2 & 4
D. 3 & 4
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C. 2 & 4
Virchow's node lies in the:
