A client in labor received an epidural anesthetic when her dilation reached 5 cm. Which of the following nursing diagnoses would have the highest priority for her at this time

A. Impaired skin integrity related to inability to move lower extremities.
B. Impaired urinary elimination related to the effects of the epidural.
C. Deficient knowledge related to lack of information about regional anesthesia.
D. Risk for injury related to hypotension secondary to vasodilation and pooling in extremities.

苯巴比妥的乙醇溶液澄清度检查物质是（）

A．苯丙二酰脲

B．酸性杂质

C．2-苯基丁酰胺

D．对氨基酚

E．苯基丁酰脲