NBDE quiz
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NBDE quiz
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1. Question
You are performing full-mouth extractions for a patient when he starts to complain of tinnitus, circumoral numbness, and appear drowsy. What do you do next ?
CorrectThe correct answer is D. The patient is demonstrating initial signs of local anesthetic toxicity.
These include circumoral numbness, tachycardia, hypertension, drowsiness, confusion, tinnitus, and metallic taste. Full-mouth extractions generally require a lot of local anesthetic, and at times if one is which is not effective at traversing a neuron’s cell membrane. There is a decrease in the nonionized form of the local anesthetic. A shift toward more ionized local anesthetic molecules prevents the local anesthetic from exerting their effect on the sodium channels.IncorrectThe correct answer is D. The patient is demonstrating initial signs of local anesthetic toxicity.
These include circumoral numbness, tachycardia, hypertension, drowsiness, confusion, tinnitus, and metallic taste. Full-mouth extractions generally require a lot of local anesthetic, and at times if one is which is not effective at traversing a neuron’s cell membrane. There is a decrease in the nonionized form of the local anesthetic. A shift toward more ionized local anesthetic molecules prevents the local anesthetic from exerting their effect on the sodium channels.