17. 以下哪一神經支配三角肌(deltoid)?
(A)正中神經 median nerve
(B)胸內神經 medial pectoral nerve
(C)腋神經 axillary nerve
(D)胸背神經 thoracodorsal nerve

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統計: A(3), B(1), C(26), D(2), E(0) #2759621