26.控制瞳孔擴張的交感節前神經細胞本體(sympathetic preganglionic cell body)位於何處?
(A)視網膜(retina)
(B)大腦皮質(cerebral cortex)
(C)腦幹(brain stem)
(D)脊髓灰質(spinal gray matter)

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統計: A(1), B(0), C(1), D(0), E(0) #3976565