问题
单项选择题
The nurse is preparing to begin one-person cardiopulmonary resuscitation. The nurse should first（）
A. establish unresponsiveness.
B. call for help.
C. open the airway.
D. assess the client for a carotid pulse.
答案
参考答案：A
解析：
The correct sequence begins with establishing unresponsiveness. The nurse should then call for help, assess the client for breathing while opening the airway, deliver two breaths, and check for a carotid pulse.
