questions and answers passed
K+ is concentrated outside the cell. - correct answer ✔✔When a nerve is in its resting state, the:
The Na+ pump - correct answer ✔✔Which of the following maintains the resting potential of a
nerve fiber?
C and D - correct answer ✔✔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
Mepivacaine 3% - correct answer ✔✔Which of the following anesthetics has the shortest
duration when administering a local anesthetic block?
0.05 mg/mL - correct answer ✔✔Levonordefrin has how many mg/mL of vasoconstrictor?
Half - correct answer ✔✔How much epinephrine does a 1:200,000 dilution contain compared
with a 1:100,000 dilution?
0.04 mg - correct answer ✔✔What is the cardiac dose for epinephrine?
, 4.4 cartridges - correct answer ✔✔How many cartridges could a patient from the answer in
question #7 safely receive if administering a 1:200,000 epinephrine dilution?
Decrease the risk of toxicity - correct answer ✔✔What is the primary reason that
catecholamines are added to local anesthetic solutions?
only when a vasoconstrictor is added - correct answer ✔✔Sodium bicarbonate is added to local
anesthetic solutions:
0.018 mg - correct answer ✔✔How many mg of epinephrine are in one cartridge of a 1:100,000
dilution?
the needle touching the lingual nerve. - correct answer ✔✔During the inferior alveolar block
the patient feels a sudden electrical shock. This is due to:
density of the bone of the mandible. - correct answer ✔✔Supraperiosteal injections are less
successful on the mandible because of the
1:50,000 epinephrine - correct answer ✔✔Which of the following vasoconstrictor dilutions
provides the greatest hemostasis?
Depositing the solution in the parotid gland. - correct answer ✔✔After the administration of a
local anesthetic, what causes a droopy eyelid?
Articaine - correct answer ✔✔Which anesthetic is primarily metabolized in the blood?
25 gauge - correct answer ✔✔What is the recommended needle gauge for an inferior alveolar
block?