Samantha is an office worker who presents with pain and numbness in the right hand, particularly at night. On examination, there is decreased sensation along the palmar aspect of the thumb, index, and middle fingers. Which the of the following is the LEAST likely impaired:

A) Abductor pollicus brevis

B) Flexor pollicus longus

C) Opponens pollicus

D) 2nd Lumbrical

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