問題詳情
44.tWhich of the following statements concerning transmission of nerve signals is correct?
(A)tSignal transmission is slower in myelinated axons than unmyelinated axons.
(B)t Signal is transmitted along the axon by hyperpolarization of axonal membrane.
(C)tMany of the receptors of neurotransmitters are ligand-gated ion channels.
(D)tAll neurotransmitters are excitatory when they bind to their receptors.
參考答案
答案：C
統計：A:0,B:0,C:1,D:0,E:0
難度：計算中