An occupational therapy (OT) practitioner is evaluating a 60-year-old female with rheumatoid arthritis. The OT practitioner observes that the patient is unable to extend her fourth and fifth digits

The patient has full passive range of motion (ROM) and no pain. She has good active flexion. The patient reports that she has difficulty opening her hand around an object such as a can or jar. The therapist should suspect that the patient has which of the following conditions?
A. Two trigger fingers
B. Weakness of the digit extensors
C. Rupture of the digit extensors
D. Finger joint subluxations

ANS: C
Rupture of the extensor tendons to the fourth and fifth digits can occur when the extensors rub on a rough, bony surface, often at the wrist because of synovial invasion.

Health Professions

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When both deciduous and permanent teeth are present in the oral cavity it's called:

A. combination dentition B. blended dentition C. dental medley D. mixed dentition

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