Friday, 18 August 2017

Q. A client is scheduled for an excretory urography at 10 a.m. An order directs the nurse to insert a saline lock I.V. device at 9:30 a.m.. The client requests a local anesthetic for the I.V. procedure and the physician orders lidocaine-prilocaine cream (EMLA cream). The nurse should apply the cream at:

A. 7:30 a.m.
B. 8:30 a.m.
C. 9 a.m.
D. 9:30 a.m.

Correct Answer: A
Explanation: It takes up to 2 hours for lidocaine-prilocaine cream (EMLA cream) to anesthetize an insertion site. Therefore, if the insertion is scheduled for 9:30 a.m., EMLA cream should be applied at 7:30 a.m. The local anesthetic wouldn't be effective if the nurse administered it at the later times.

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