複選題2. 損傷臂神經叢外索(lateral cord of the brachial plexus)不會導致下列何狀況之發生？ (A)上臂前區(anterior compartment of the arm)之運動功能喪失 (B)前臂前區(anterior compartment of the forearm)之運動功能降低 (C)小魚際肌群(hypothenar compartment muscles)之運動功能喪失 (D)肩部區域之感覺喪失