A drug that is often administered with regional anesthetics in order to prolong their effect is:
a. diazepam (Valium). c. meperidine (Demerol).
b. mepivacaine HCl. d. epinephrine.
ANS: D
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A Incorrect: Diazepam is not used for this purpose.
B Incorrect: Mepivacaine HCl is a regional anesthetic agent.
C Incorrect: This is not a purpose for meperidine.
D Correct: Epinephrine causes vasoconstriction to delay absorption of regional anesthetic agents.
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