While suctioning a client’s laryngectomy tube, the nurse should insert the catheter

A. about 1 to 2 inches.
B. as the client exhales.
C. until resistance is met, then withdraw it 1 to 2 cm.
D. until the client begins coughin

理中丸的功用是

A．温中补虚，降逆止呕

B．温中散寒，补气健脾

C．温中补虚，和里缓急

D．温经散寒，养血通脉

E．温中散寒，降逆止呕