rida
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After a motorcycle injury in which he was thrown into a barbed wire fence, a patient has a selective loss of the ability to extend his thumb. The nerve that was probably injured is derived from which of the following cord(s) of the plexus?
A) Posterior and lateral
B) Lateral and medial
C) Lateral only
D)Posterior only
E) Medial only
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| mash
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posterior only?
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| rida
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Correct, can you tell me which nerve?
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| mash
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posrerior interosseous br of radial n(C7, C8) supplies extensor pollicis brevis n longus
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| rida
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very good :o)
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