Review Question - QID 217260

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Humeral Shaft Fracture QID: 217260 (M2.OMB.4800)

QID 217260 (Type "217260" in App Search)

A 77-year-old woman presents to the emergency department after slipping on ice and falling on her right side. She reports no loss of consciousness or head strike, but states she is unable to move her right arm due to pain. The patient's temperature is 98.6°F (37.0°C), blood pressure is 150/85 mmHg, pulse is 95/min, and respirations are 18/min. On exam, there are numerous superficial skin abrasions in on the right hand, forearm, and shoulder, as well as a noticeable bony deformity in the right upper arm. A radiograph of the right arm is shown in Figure A. Which of the following is most likely associated with this patient's injury?

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Inability to extend the wrist

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loss of sensation over the shoulder

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inability to abduct the shoulder

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loss of sensation over the forearm

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inability to flex the elbow

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This patient presents with

Midshaft humerus fractures typically occur

Figure/Illustration A shows a transverse mid shaft fracture of the right humerus.

Illustration B shows a diagram of the brachial plexus. Note that the radial nerve originates from the posterior cord and runs along the posterior surface of the humerus in the radial groove.

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