WREB Local Anesthesia Written Exam Rated A+
A carpule of anesthetic has a distended stopper and a large bubble. What has caused
this? - ANSWER-previously frozen
A patient experiences rapid heart rate and perspiration. What is occurring? - ANSWER-
toxicity to epi
A patient has a history of type I diabetes and angina. They lose consciousness. What
treatment options should you use? - ANSWER-sugar/nitro glycerin
A patient is allergic to sulfites. Which anesthetic would you NOT use on this patient? -
ANSWER-lidocaine 2% 1:100k epi
A patient is perspiring and has welts on his neck, what is occurring? - ANSWER-allergy
A sign of an allergy to local anesthetic is: - ANSWER-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: - ANSWER-hygienist
slightly tore a blood vessel (HEMATOMA)
After receiving anesthetic your patient feels jittery and anxious? What happened? -
ANSWER-Injected into blood stream
How do you treat a hematoma? - ANSWER-stop treatment
ice
pressure
How much anesthetic should be administered with a PSA? - ANSWER-0.9-1.8ml
How much vasoconstrictor can you give a cardiac patient? - ANSWER-.04 mg
If a patient has an allergy to bisulfite, which LA should be used? - ANSWER-one w/o
vaso (3% mepivacaine)
If a patient is using tricyclic anti-depressants (Elavi), what is an absolute
contraindication? - ANSWER-Levo
If a patient's 1st molar doesn't get numb w/ an IA, it must be innervated by the....? -
ANSWER-mylohyoid
If your patient has a bad liver, which type of anesthetic should be used? - ANSWER-
prilocaine or procaine
A carpule of anesthetic has a distended stopper and a large bubble. What has caused
this? - ANSWER-previously frozen
A patient experiences rapid heart rate and perspiration. What is occurring? - ANSWER-
toxicity to epi
A patient has a history of type I diabetes and angina. They lose consciousness. What
treatment options should you use? - ANSWER-sugar/nitro glycerin
A patient is allergic to sulfites. Which anesthetic would you NOT use on this patient? -
ANSWER-lidocaine 2% 1:100k epi
A patient is perspiring and has welts on his neck, what is occurring? - ANSWER-allergy
A sign of an allergy to local anesthetic is: - ANSWER-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: - ANSWER-hygienist
slightly tore a blood vessel (HEMATOMA)
After receiving anesthetic your patient feels jittery and anxious? What happened? -
ANSWER-Injected into blood stream
How do you treat a hematoma? - ANSWER-stop treatment
ice
pressure
How much anesthetic should be administered with a PSA? - ANSWER-0.9-1.8ml
How much vasoconstrictor can you give a cardiac patient? - ANSWER-.04 mg
If a patient has an allergy to bisulfite, which LA should be used? - ANSWER-one w/o
vaso (3% mepivacaine)
If a patient is using tricyclic anti-depressants (Elavi), what is an absolute
contraindication? - ANSWER-Levo
If a patient's 1st molar doesn't get numb w/ an IA, it must be innervated by the....? -
ANSWER-mylohyoid
If your patient has a bad liver, which type of anesthetic should be used? - ANSWER-
prilocaine or procaine
