A 25-Year-Old Man Comes to the Office Due to Right

question 250

Multiple Choice

A 25-year-old man comes to the office due to right arm weakness.  The patient injured his right shoulder several months ago in a motor vehicle accident and has had difficulty elevating his arm since.  On examination, there is diminished pinprick and temperature sensation over a small area in the right upper lateral arm and prominent atrophy of the right deltoid with 3/5 strength on right shoulder abduction.  Reflexes and handgrip strength are normal in the upper extremities bilaterally.  This patient most likely injured which of the following nerves?

• A)Axillary
• B)Dorsal scapular
• C)Long thoracic
• D)Median
• E)Musculocutaneous
• F)Radial
• G)Thoracodorsal
• H)Ulnar

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Definitions:

Dams

Structures built across rivers or streams to restrict the flow of water, typically for the purposes of water storage, flood management, or electricity generation through hydropower.

Inexpensive

Items or services that are low in cost, making them accessible to a wide range of consumers.

Desalination

The process of removing salt and other minerals from seawater to produce fresh water suitable for human consumption or irrigation.

Filtration

A method for separating solids from liquids or gases using a filter medium that allows only the fluid to pass through while retaining the solid particles.