KNS541-380 Exam 3 Review

Which of the following structures is the most hyperechoic?

• bone

• tendon

• muscle

• articular cartilage

The shaft of a long bone should look like a flat, horizontal line while the epiphyses will be curved.

• true

• false

Which type of artifact is caused when imaging bone?

• shadowing

• enhancement

Imaging bone never causes reverberation artifact (mirroring).

• true

• false

What is the current gold standard for the diagnosis of long bone fractures?

• radiography

• sonography

• magnetic resonance imaging

• computed tomography

Which term best describes the echogenicity of (hyaline) articular cartilage?

• anechoic

• hypoechoic

• hyperechoic

Why does articular cartilage appear anechoic with hyperechoic edges?

• high water content

• high collagen content

• high calcium content

Which of the following can be used to determine injury to articular cartilage?

• heterogeneity

• cortial cap

• homogeneity

Fibrocartilage is hyperechoic compared to articular cartilage.

• true

• false

What is the typical shape of fibrocartilage like the meniscus on a long-axis view of the knee?

• triangle

• rectangle

• oval

• circle