三磨牙

A．鼻腭神经+腭前神经+上牙槽前神经
B．上牙槽后神经+腭前神经
C．下牙槽神经+舌神经
D．上牙槽中神经+上牙槽后神经+腭前神经
E．下牙槽神经+舌神经+颊长神经拔除下列牙时应麻醉的神经是

When caring for a client during the second stage of labor, which action would be least appropriate

A．Assisting the client with pushing.

B．Ensuring the client's legs are positioned appropriately.

C．Allowing the client clear liquids.

D．Monitoring the fetal heart rate.