medication to a small area of skin. b. I will cover the burn with a dressing after applying the medication. c. I will make sure to apply the medication to the entire burn area. d. I will use the medication only on the most painful, blistered areas. 2. A nurse is discussing the use of cocaine as a local anesthetic with a nursing student. Which statement by the student indicates understanding of this agent? a. Anesthetic effects develop slowly and persist for several hours. b. Cocaine is a local anesthetic administered by injection. c. Vasoconstrictors should not be used as adjunct agents with this drug. d. When abused, cocaine causes physical dependence. 3. A nurse is assisting a physician who is preparing to suture a superficial laceration on a patients leg. The physician asks the nurse to draw up lidocaine with epinephrine. The nurse understands that epinephrine is used with the lidocaine to: a. allow more systemic absorption to speed up metabolism of the lidocaine. b. increase the rate of absorption of the lidocaine. c. improve perfusion by increasing blood flow to the area. d. prolong anesthetic effects and reduce the risk of systemic toxicity from lidocaine. 4. A nurse is assisting the physician during a procedure in which a local anesthetic is administered. Within a few minutes of administration of the anesthetic, the patient has a pulse of 54 beats per minute, respirations of 18 breaths per minute, and a blood pressure of 90/42 mm Hg. The nurse should monitor the patient for further signs of: a. heart block. b. anaphylaxis. c. central nervous system excitation. d. respiratory depression. 5. A nurse is caring for a patient in the immediate postoperative period after surgery in which a spinal anesthetic was used. The patient has not voided and complains of headache. The patient has a pulse of 62 beats per minute, a respiratory rate of 16 breaths per minute, and a blood pressure of 92/48 mm Hg. Which action by the nurse is appropriate? a. Contact the anesthetist to request an order for ephedrine. b. Have the patient sit up to relieve the headache pain. c. Lower the head of the bed to a 10- to 15-degree head-down position. d. Obtain an order for a urinary catheter for urinary retention.

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