©THESTAR 2024/2025 ALL RIGHTS RESERVED 9:50PM.
Local Anesthesia Mock Exam Questions And
Answers |Latest 2025 | Guaranteed Pass.
When a nerve is in its resting state, the:
A. K+ is concentrated outside the cell
B. Cell membrane is positive on the outside of the cell
C. NA+ is concentrated outside the cell
D. Cell membrane is more positive on the inside of the cell - Answer✔C
Which of the following maintains the resting potential of a nerve fiber?
A. The K+ pump
B. The Na+ pump
C. The concentration gradient
D. The electrical impulse - Answer✔B
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 - Answer✔E
1
, ©THESTAR 2024/2025 ALL RIGHTS RESERVED 9:50PM.
Which of the following anesthetics has the shorts duration when administering a local
anesthetic block?
A. Lidocaine 1:100,000
B. Mepivacaine 1:20,000
C. Mepivacaine 3%
D. Prilocaine 4% - Answer✔C
Lenvonordefrin has how many mg/mL of vasoconstrictor?
A. 0.05 mg/mL
B. 0.01 mg/mL
C. 0.9 mg/mL
D. 0.005 mg/mL - Answer✔A
How much epinephrine does a 1:200,000 dilution contain compared with a 1:100,000 dilution?
A. Half
B. Twice
C. One quarter
D. One fourth - Answer✔A
What is the cardiac dose for epinephrine?
A. 0.2 mg
B. 0.04 mg
C. 1.0 mg
D. 2.0 mg - Answer✔B
How many cartridges could a patient from cardiac dose safely receive if administering a
1:200,000 epinephrine dilution?
2
Local Anesthesia Mock Exam Questions And
Answers |Latest 2025 | Guaranteed Pass.
When a nerve is in its resting state, the:
A. K+ is concentrated outside the cell
B. Cell membrane is positive on the outside of the cell
C. NA+ is concentrated outside the cell
D. Cell membrane is more positive on the inside of the cell - Answer✔C
Which of the following maintains the resting potential of a nerve fiber?
A. The K+ pump
B. The Na+ pump
C. The concentration gradient
D. The electrical impulse - Answer✔B
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 - Answer✔E
1
, ©THESTAR 2024/2025 ALL RIGHTS RESERVED 9:50PM.
Which of the following anesthetics has the shorts duration when administering a local
anesthetic block?
A. Lidocaine 1:100,000
B. Mepivacaine 1:20,000
C. Mepivacaine 3%
D. Prilocaine 4% - Answer✔C
Lenvonordefrin has how many mg/mL of vasoconstrictor?
A. 0.05 mg/mL
B. 0.01 mg/mL
C. 0.9 mg/mL
D. 0.005 mg/mL - Answer✔A
How much epinephrine does a 1:200,000 dilution contain compared with a 1:100,000 dilution?
A. Half
B. Twice
C. One quarter
D. One fourth - Answer✔A
What is the cardiac dose for epinephrine?
A. 0.2 mg
B. 0.04 mg
C. 1.0 mg
D. 2.0 mg - Answer✔B
How many cartridges could a patient from cardiac dose safely receive if administering a
1:200,000 epinephrine dilution?
2
