Question 1

If an abnormality discovered on radiograph has characteristics of a malignant lesion, the next step is diagnostic evaluation is:

Accepted Answer

A)   Advanced imaging
B)   Surgery
C)   Chemotherapy
D)   Radiation A

Question 2

Predictor variables help narrow the diagnostic possibilities. If a lesion is wider than it is long and has poorly defined margins, these characteristics are predictive of what kind of lesion?

Accepted Answer

A)   Malignant
B)   Metastatic
C)   Benign
D)   Infectious A

Question 3

Radiologic hallmarks of degenerative joint disease include:

Accepted Answer

A)   Concentric joint space narrowing, sclerotic subchondral bone, and periarticular rarefaction
B)   Asymmetrical joint space narrowing, sclerotic subchondral bone, and pseudocysts
C)   Osteophyte formation and osteoporosis
D)   Asymmetrical joint space narrowing and articular erosions B

Question 4

A search pattern for viewing radiographs is the ABCs, which stands for:

Accepted Answer

A)   Alignment, bone density, cartilage spaces, soft tissues
B)   Anatomy, body mass, connective tissues
C)   Alignment, breaks in continuity, cortical margins, soft tissues
D)   None of the above

Question 5

Joint capsules become visible on radiograph when they become distended by effusion seen in the instance(s) of:

Accepted Answer

A)   Acute infection
B)   Hemophilic bleed
C)   Joint trauma
D)   All of the above

Question 6

Sclerosis is seen on radiograph as _______________ and is a sign of ____________.

Accepted Answer

A)   radiolucent; repair.
B)   radiolucent; inflammatory process
C)   radiodense; repair
D)   radiopaque; repair

Question 7

Radiologic hallmarks of rheumatoid arthritis include:

Accepted Answer

A)   Concentric joint space narrowing, erosions of subchondral bone, and periarticular rarefaction
B)   Asymmetrical joint space narrowing, sclerotic subchondral bone, and pseudocysts
C)   Osteophyte formation and osteoporosis
D)   Asymmetrical joint space narrowing and articular erosions

Question 8

Osteoporosis is a metabolic disease that results in decreased total bone mass. What percent of reduction in bone mass must occur before osteoporosis becomes evident on radiographs?

Accepted Answer

A)   20%
B)   30%
C)   40%
D)   50%

Question 9

Tumors are generally divided into two categories, based on the amount of bony destruction they incur:

Accepted Answer

A)   Benign and malignant
B)   Benign and metastatic
C)   Primary and secondary
D)   Aggressive and benign

Question 10

What procedure is necessary to accurately define the infectious organism in an infected joint?

Accepted Answer

A)   MRI with contrast
B)   Nuclear imaging with a glucose analog
C)   Aspiration biopsy
D)   Bone scan

Exam 2: Radiologic Evaluation, Search Patterns, and Diagnosis