A patient is to receive local anesthesia for removal of a lymph node from his armpit. The physician asks for a solution of premixed lidocaine and epinephrine. The nurse knows that the epinephrine is used for which reason?
A) It prevents an anaphylactic reaction from occurring.
B) The anesthetic enhances the effect of the epinephrine.
C) Epinephrine contributes to a balanced anesthetic state.
D) It keeps the anesthetic at its local site of action and decreases incisional bleeding.
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