Exam (elaborations)
WREB LOCAL ANESTHESIA WRITTEN
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WREB LOCAL ANESTHESIA WRITTEN
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WREB LOCAL ANESTHESIA WRITTENWhat foramen does the V3 branch of the trigeminal nerve exit? - Answers-Foramen
Ovale
When benzocaine topical is left on for over 2 mins, what will happen to the tissue? -
Answers-Tissue sloughing
What is the purpose of sodium bisulfite? - Answers-Preservative
What should you do if your patient is hyperventilating? - Answers-Breathe into cupped
hands
What is the purpose of administering oxygen after giving a patient nitrous oxide? -
Answers-Decrease recovery time
What does the mental nerve anesthetize? - Answers-facial gingival from the premolars
to the central incisors
A patient is allergic to sulfites. Which anesthetic would you NOT use on this patient? -
Answers-lidocaine 2% 1:100k epi
Which agent causes the pH of the local anesthetic to be lower? - Answers-sodium
bisulfite
A sign of an allergy to local anesthetic is: - Answers-redness/itching
After administering anesthetic, the hygienist notes a faint bluish mark next to the
injection site and also on the skin. The most likely cause of this is: - Answers-hygienist
slightly tore a blood vessel (HEMATOMA)
If your patient has a bad liver, which type of anesthetic should be used? - Answers-
prilocaine or procaine
What is the contraindication for severe hypothyroidism? - Answers-High concentration
of vaso
What part of the nerve deals with initiation of impulses? - Answers-Nerve membrane
What does epi do, other than reduce edema? - Answers-reduce/decrease toxicity
Which local anesthetic causes the most vasodilation? - Answers-lidocaine?
What post-op instruction should you tell a patient before giving a Gow Gates injection? -
Answers-they're going to be open 2 mins
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