第17题: [单项选择]In caring for a client with vasovagal syncope, the nurse should know that the associated temporary loss of consciousness is most commonly related to A. vestibular dysfunction. B. sudden vascular fluid shifting. C. postural hypotension. D. bradyrhythmia. 参考答案:D 答案解析:Parasympathetic hyperactivity leading to sudden hypotension secondary to bradyrhythmia causes vasova