DXA Mock Exam | Practice Test & Study Guide
Which of the following is a daily QC test to check scanner performance?
A. Precision tests
B. Phantom Scanning
C. Cross Calibration
D. Determining the Least Significant Change (LSC) - (answer)B. Phantom Scanning
The region of interest (ROI) for vertebral assessment scans include the ____ through ____ vertebrae.
A. T1;T2
B. T2;L1
C. T4;L5
D. L1;L5 - (answer)C. T4;L5
How many sets of sinuses are in the cranium?
A. 2
B. 4
C. 6
D. 12 - (answer)B. 4
What are two types of bone tissue generally found in long bones?
A. Cortical and trabecular
B. Woven and synovial
C. Cartilaginous and medullary
D. Periosteum and endosteum - (answer)A. Cortical and trabecular
The oldest bone cells of the skeleton live about:
A. 2 yrs
B. 5 yrs
,DXA Mock Exam | Practice Test & Study Guide
C. 7 yrs
D. 10 yrs - (answer)D. 10 yrs
An area of bone that contacts another bone is a(n):
A. Articular surface
B. Process
C. Eminence
D. Condyle - (answer)A. Articular surface
Why is standard anatomical position used?
A. To improve the consistency of medical check ups
B. To reduce pt discomfort while standing
C. To divide the body into the anatomical planes of reference
D. To simplify descriptions of the location and orientation of bones - (answer)D. To simplify descriptions
of the location and orientation of bones
When evaluating bone density, what statistical value is calculated by dividing the standard deviation by
the mean?
A. BMC
B. BMD
C. CV
D. SD - (answer)C. CV
Which of the following statements is TRUE about bone remodeling?
A. Bone remodeling primarily affects cortical bone
B. The rate of bone remodeling increases with age
C. Bone mass increases when formation is faster than resorption
, DXA Mock Exam | Practice Test & Study Guide
D. Most skeletal sites have the same remodeling rates - (answer)C. Bone mass increases when formation
is faster than resorption
Osteosarcomas:
A. Often metastasize in the liver
B. Cause characteristic pain the joints
C. Affect primarily adolescents and young adults
D. Are benign tumors in long bones - (answer)C. Affect primarily adolescents and young adults
Osteoarthritis is characterized by:
A. Osteophyte formation
B. Pain in feet and ankles
C. Sudden onset of menopause
D. Chronic inflammation at joints - (answer)A. Osteophyte formation
Spina bifida occulta:
A. Can cause paralysis
B. Looks similar to a laminectomy on DXA scans
C. Relatively common malignant process
D. Affects 30-40% of the general population - (answer)B. Looks similar to a laminectomy on DXA scans
Idopathic scoliosis:
A. Requires treatment
B. Is defined by less than 10 degree curvature
C. Affects primarily adults
D. Is sometimes treated with bracing or surgery - (answer)D. Is sometimes treated with bracing and
surgery
Which of the following is a daily QC test to check scanner performance?
A. Precision tests
B. Phantom Scanning
C. Cross Calibration
D. Determining the Least Significant Change (LSC) - (answer)B. Phantom Scanning
The region of interest (ROI) for vertebral assessment scans include the ____ through ____ vertebrae.
A. T1;T2
B. T2;L1
C. T4;L5
D. L1;L5 - (answer)C. T4;L5
How many sets of sinuses are in the cranium?
A. 2
B. 4
C. 6
D. 12 - (answer)B. 4
What are two types of bone tissue generally found in long bones?
A. Cortical and trabecular
B. Woven and synovial
C. Cartilaginous and medullary
D. Periosteum and endosteum - (answer)A. Cortical and trabecular
The oldest bone cells of the skeleton live about:
A. 2 yrs
B. 5 yrs
,DXA Mock Exam | Practice Test & Study Guide
C. 7 yrs
D. 10 yrs - (answer)D. 10 yrs
An area of bone that contacts another bone is a(n):
A. Articular surface
B. Process
C. Eminence
D. Condyle - (answer)A. Articular surface
Why is standard anatomical position used?
A. To improve the consistency of medical check ups
B. To reduce pt discomfort while standing
C. To divide the body into the anatomical planes of reference
D. To simplify descriptions of the location and orientation of bones - (answer)D. To simplify descriptions
of the location and orientation of bones
When evaluating bone density, what statistical value is calculated by dividing the standard deviation by
the mean?
A. BMC
B. BMD
C. CV
D. SD - (answer)C. CV
Which of the following statements is TRUE about bone remodeling?
A. Bone remodeling primarily affects cortical bone
B. The rate of bone remodeling increases with age
C. Bone mass increases when formation is faster than resorption
, DXA Mock Exam | Practice Test & Study Guide
D. Most skeletal sites have the same remodeling rates - (answer)C. Bone mass increases when formation
is faster than resorption
Osteosarcomas:
A. Often metastasize in the liver
B. Cause characteristic pain the joints
C. Affect primarily adolescents and young adults
D. Are benign tumors in long bones - (answer)C. Affect primarily adolescents and young adults
Osteoarthritis is characterized by:
A. Osteophyte formation
B. Pain in feet and ankles
C. Sudden onset of menopause
D. Chronic inflammation at joints - (answer)A. Osteophyte formation
Spina bifida occulta:
A. Can cause paralysis
B. Looks similar to a laminectomy on DXA scans
C. Relatively common malignant process
D. Affects 30-40% of the general population - (answer)B. Looks similar to a laminectomy on DXA scans
Idopathic scoliosis:
A. Requires treatment
B. Is defined by less than 10 degree curvature
C. Affects primarily adults
D. Is sometimes treated with bracing or surgery - (answer)D. Is sometimes treated with bracing and
surgery
