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1. The smallest part of a digital image matrix is referred to by which of the
following?
a) Voxel
b) Pixel
c) PACS
d) CR - ANSWER pixel
2. The anatomy represented by the smallest part of a digital image matrix is
referred to by which of the following?
a) Voxel
b) Pixel
c) CT
d) DR - ANSWER Voxel
3. Which of the following groups of abbreviations refers to the various
components of a digital imaging system?
, a) RIS, PACS, CR, DR
b) CXR, CVA, CR, IP
c) Pixel, voxel, STAT, ICU
d) HIS, RIS, ADC, CXR - ANSWER RIS, PACS, CR, DR
4. "CXR R/O COPD, HX MI" means which of the following?
a) Computed x-ray ruling out cough or other pulmonary disease, has muscular
weakness issues
b) Chest x-ray to rule out chronic obstructive pulmonary disease, history of
myocardial infarction
c) Computed radiography examination to rule out constant or part-time
dyspnea, history of heart attack
d) This series of letters does not mean anything medically significant -
ANSWER Chest x-ray to rule out chronic obstructive pulmonary disease,
history of myocardial infarction
5. Which of the following groups of abbreviations refers to patient information?
a) DOB, LMP, y/o
b) MI, CVA, DOB
c) STAT, npo, prn
d) PID, URI, UTI - ANSWER DOB, LMP, y/o
6. Which of the following is NOT related to the other three?
a) ASRT
b) DICOM
c) ARRT
d) ACERT - ANSWER DICOM
,7. Which of the following is NOT an abbreviation for a radiographic examination?
a) ROM
b) UGI
c) IVP
d) KUB - ANSWER ROM
8. The law and guidelines governing confidentiality of patient information is
contained in the act that covers portability of health insurance. This is abbreviated
as represented by which of the following?
a) HHS
b) HIV/ARC
c) HIPAA
d) Hx - ANSWER HIPAA
9. Sound is used to visualize internal structures of the body using which imaging
modality?
a) Sonography
b) Positron emission tomography
c) Magnetic resonance imaging
d) Fluoroscopy - ANSWER Sonography
10. Digital imaging permits manipulation of the image after it has been stored in a
computer. This is called:
a) preprocessing
b) postexposure manipulation
c) postprocessing
d) resolution enhancement - ANSWER postprocessing
, 11. Dynamic studies of the body using radiopharmaceuticals are produced by
what imaging modality?
a) Positron emission tomography
b) Magnetic resonance imaging
c) Computed tomography
d) Fluoroscopy - ANSWER Positron emission tomography
12. The energy conversion that occurs inside the x-ray tube results in the
production of what two forms of energy?
a) Anode and cathode
b) X-rays and light
c) Heat and light
d) Heat and x-rays - ANSWER Heat and x-rays
14. The physical law that governs the production of x-rays is the law of:
a) conservation of matter
b) conservation of energy
c) inverse square
d) heat and x-ray production - ANSWER conservation of energy
15. A portable fluoroscope is also called a:
a) mobile scanner
b) c-arm
c) tomography unit
d) PACS - ANSWER c-arm