wreb Local Anesthesia questions with correct answers

What nerve was damaged if the anterior 2/3 of the tongue has a loss of sensation CORRECT ANSWER lingual What is the volume of LA anesthetic solution in 2 cartridges of Lidocaine? CORRECT ANSWER 3.6ml What type of injection would be used to achieve hemostasis CORRECT ANSWER Infiltration Burning feeling from injection can be caused by what? CORRECT ANSWER Lowered pH (experienced more by an older cartridge than a fresher one because once sodium bisulfite is oxidized, it turns to sodium bisulfate which has an even lower pH) Needle gauge for infiltration CORRECT ANSWER 27 Short Why would you use caution with Amides and a patient who has Cirrosis? CORRECT ANSWER Amides are metabolized in the liver Which component of LA is an antioxidant CORRECT ANSWER Sodium (Meta) Bisulfite Sequence of disappearance of sensation CORR