Local Anesthesia Mock Board Questions And Answers Rated A+
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Course
Local Anesthesia
Institution
Local Anesthesia
Local Anesthesia Mock Board Questions And Answers Rated A+
When a nerve is in its resting state, the: ANS Na+ is concentrated outside the cell
Which of the following maintains the resting potential of a nerve fiber? ANS The Na+ pump
Select the following anesthetic(s) available in the US th...
Local Anesthesia Mock Board Questions And Answers
Rated A+
When a nerve is in its resting state, the: ANS Na+ is concentrated outside the cell
Which of the following maintains the resting potential of a nerve fiber? ANS The Na+ pump
Select the following anesthetic(s) available in the US that is(are) formulated with epinephrine
1:200,000
A. Lidocaine
B. Mepivacaine
C. Prilocaine
D. Articaine
E. C and D ANS C and D
Which of the following anesthetics has the shortest duration when administering a local anesthetic
block? ANS Mepivacaine 3%
Levonordefrin has how many mg/mL of vasoconstrictor? ANS 0.05 mg/mL
How much epinephrine does a 1:200,000 dilution contain compared with a 1:100,000 dilution?
ANS Half
What is the cardiac dose for epinephrine? ANS 0.04 mg
How many cartridges could a patient from the answer in question #7 safely receive if administering a
1:200,000 epinephrine dilution? ANS 4.4 cartridges
, What is the primary reason that catecholamines are added to local anesthetic solutions? ANS
Decrease the risk of toxicity
Sodium bicarbonate is added to local anesthetic solutions: ANS To help increase the pH of the
anesthetic.
How many mg of epinephrine are in one cartridge of a 1:100,000 dilution? ANS 0.018 mg
During the inferior alveolar block the patient feels a sudden electrical shock. This is due to: ANS
the needle touching the lingual nerve.
Supraperiosteal injections are less successful on the mandible because of the ANS density of the
bone of the mandible.
Which of the following vasoconstrictor dilutions provides the greatest hemostasis? ANS 1:50,000
epinephrine
After the administration of a local anesthetic, what causes a droopy eyelid? ANS Depositing the
solution in the parotid gland.
Which anesthetic is primarily metabolized in the blood? ANS Articaine
What is the recommended needle gauge for an inferior alveolar block? ANS 25 gauge
Esters are metabolized by ANS plasma
Amides are metabolized by ANS liver
The dental hygienist successfully administers an inferior alveolar block, but the patient does not get
numb. What is the possible reason why the patient does not get numb? ANS Solution deposited
inferior to the mandibular foramen
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