问题
单项选择题
A client with bicuspid aortic valve has severe stenosis and is scheduled for valve replacement. While teaching the client about his condition and upcoming surgery, the nurse shows him a heart illustration. Which valve will be replaced ？（）
A．A
B．B
C．C
D．D
答案
参考答案：A
解析：
The aortic valve is located between the left ventricle and the aorta. It’s one of the semilunar valves and normally has three cusps.