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Section II. Occupational Injuries

Functional testing

a. re-creates activities of daily living

b. is seldom useful to assess injury severity

c. is synonymous with stress testing

d. replaces the need for stress testing

a. Functional testing, including simple tasks performed during activities of daily living, is useful to assess injury severity.

CT scans

a. are the most effective method for visualizing any bony pathology

b. are of limited use in visualizing fractures

c. are superior to MRI in visualizing ligaments, cartilage, and soft tissues

d. have replaced musculoskeletal ultrasound foridentifying superficial tissue problems

a. CT scans are the most effective method for visualizing any bony pathology, including morphology of fractures.

Arthrocentesis

a. must be performed promptly to rule out aninfection with any acute knee pain

b. is indicated with knee pain when effusion and inflammation are present

c. should be performed even if there is an activecellulitis or abscess overlying the joint

d. presents a serious risk of bleeding

b. Arthrocentesis must be performed promptly to rule out an infection when acute knee pain with effusion and inflammation are present and the patient is unable to actively flex the joint.

Cumulative trauma

a. is unrelated to repetitive trauma

b. affects bone, but not the tendon, muscle, capsule, or the nerve

c. is seldom painful

d. may involve the extremity

d. Cumulative trauma may involve the extremity (commonly the hand, wrist, elbow, or shoulder) or the trunk (low-back strain).

SLAP (superior labral anterior to posterior) lesions

a. are tears that occur over the superior part of the labrum of the glenohumeral joint

b. may be called Bankart lesions if they have a positive O'Brien test

c. result from repetitive lifting motions

d. present with a deficit of internal rotation compared to the other side

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