28.痛覺神經末梢在脊髓背角內分泌神經傳導物質,下列何種居多?
(A)組織胺(histamine)
(B)腎上腺素(epinephrine)
(C)多巴胺(dopamine)
(D)物質P(substance P)
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統計: A(137), B(39), C(47), D(833), E(0) #852081
統計: A(137), B(39), C(47), D(833), E(0) #852081