A malignant primary tumor of bone is a(n):
a. chondrosarcoma
b. enchondroma
c. metastasis
d. osteosarcoma - ️️d
Which of the following is NOT an advantage of beam restriction?
a. reduced scatter radiation production
b. need to irradiate less biologic material
c. need for less tot...
ASRT 72 Exam 2 Comprehensive
Questions
A malignant primary tumor of bone is a(n):
a. chondrosarcoma
b. enchondroma
c. metastasis
d. osteosarcoma - ✔ ✔ d
Which of the following is NOT an advantage of beam restriction?
a. reduced scatter radiation production
b. need to irradiate less biologic material
c. need for less total filtration - ✔ ✔ c
Which of the following is the correct circuitry sequence for incoming voltage in a high-frequency
generator?
a. transformer, inverter, capacitor, rectifier, capacitor, rectifier
b. capacitor, transformer, rectifier, inverter, capacitor, rectifier
c. inverter, rectifier, transformer, capacitor, rectifier, capacitor
d. rectifier, capacitor, inverter, transformer, rectifier, capacitor - ✔ ✔ d
Which of the following might cause an increase in quantum mottle?
a. increasing the mAs
b. decreasing the field size
c. increasing the filament size
d. decreasing the grid ratio - ✔ ✔ b
Which of the following radiographic evaluation criterion demonstrates NO tilt on a PA projection of the
chest?
,a. sternal ends of the clavicles equidistant from the vertebral column
b. T4 superimposed on the manubrium
c. scapulae projected outside of the lung field
d. 10 posterior ribs visible above diaphragm - ✔ ✔ b
Which one of the following is NOT a feature of fluoroscopy equipment designed specifically to reduce
the
amount of scatter radiation striking personnel?
a. a protective curtain
b. a Bucky slot cover
c collimation
d. a cumulative timer - ✔ ✔ d
Which projection of the chest is used to differentiate the lobes of the lungs, demonstrate the interlobar
fissures, and localize pulmonary lesions?
a. PA
b. lateral
c. PA oblique
d. AP axial - ✔ ✔ b
A malignant tumor arising from cartilage cells is a(n):
a. chondrosarcoma.
b. enchondroma.
c. Ewing sarcoma.
d. osteosarcoma. - ✔ ✔ a
A malignant tumor in the bone is a(n):
a. chondrosarcoma.
b. enchondroma.
c. Ewing sarcoma.
, d. osteosarcoma. - ✔ ✔ d
A patient develops erythema in the shape of the exposure field following an interventional procedure.
The
legal doctrine MOST relevant to this injury would be:
a. respondeat superior.
b. borrowed servant.
c. res ipsa loquitur.
d. beneficence. - ✔ ✔ c
A radiograph that demonstrates acceptable brightness along one side of the image but NOT on the
opposite side represents a(n) ________ error.
a. grid motion too slow
b. upside-down focused grid
c. incorrect grid ratio
d. off-level grid - ✔ ✔ d
A radiograph that demonstrates acceptable brightness in the middle of the image but shows gradually
increasing brightness bilaterally further from the center represents a(n) ________ error.
a. grid motion-failed
b. upside-down focused grid
c. incorrect grid ratio
d. off-level grid - ✔ ✔ b
According to government regulations, the x-ray beam must be within ________ degree(s) of
perpendicular.
a. 1
b. 2
c. 5
d. 10 - ✔ ✔ a
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