問題詳情
48. Stem cell transplants may someday be used to treat Parkinson's disease. Researchers are hopeful that these cells wouldalleviate the symptoms of Parkinson's disease by ________.
(A) preventing temporal lobe seizures
(B) repairing sites of traumatic brain injury
(C) replenishing missing ion channels
(D) secreting the neurotransmitter dopamine
(E) changing in myelination of axons
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)