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[单选题]
兴奋性是指
A
细胞兴奋的外在表现
B
细胞对刺激产生动作电位的能力
C
细胞对刺激发生反应的过程
D
细胞对刺激产生动作电位的过程
E
机体对刺激发生反射的过程
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试题答案:
B
答案解释:
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