A 42-year-old woman with lightheadedness and recurrent syncope is taken to the emergency department where she is given atropine.Her symptoms are relieved by an increase in which of the following?
A 42-year-old woman with lightheadedness and recurrent syncope is taken to the emergency department where she is given atropine.Her symptoms are relieved by an increase in which of the following?
A.Heart rate
B.Stroke volume
C.Ventricular contractility
D.Ejection fraction
正确答案：Heart rate
Tag：生理学
时间：2021-12-26 20:20:43
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