LOCAL ANESTHESIA STUDY EXAMS GUIDE ALL
QUESTIONS AND ANSWERS SURE A+
✔✔What is the absolute highest local anesthetic MRD for lidocaine with epinephrine?
a. 500 mg/appt
b. 400 mg/appt
c. 600 mg/appt
d. 90 mg/appt - ✔✔a. 500 mg/appt
Lidocaine: 500 mg or 3.2 mg/lb
Mepivicaine: 400 mg or 3.0 mg/lb
Prilocaine: 600 mg or 4.0 mg/lb
Articaine: No absolute MRD. 3.2 mg/lb
Bupivicaine: 90 or 0.9 mg/lb
✔✔How much local anesthesia is there with 4 cartridges of 2% Lidocaine 1:50,000 (the
dental cartridges contains 1.7 ml of solution)?
,a. 18 mg
b. 68 mg
c. 136 mg
d. 144 mg - ✔✔c. 136 mg
2 x 17 = 34 mg
34 x 4 carts = 136 mg
✔✔How much local anesthesia is there in a dental cartridge of 2% concentration (1.8
ml)
a. 9 mg
b. 18 mg
c. 36 mg
d. 54 mg - ✔✔c. 36 mg
✔✔How many mg of local anesthetic is there in two cartridges of 2% lidocaine
1:100,000? (the cartridge total volume is 1.8 ml)
a. 18 mg
b. 36 mg
c. 72 mg
d. 96 mg - ✔✔c. 72 mg
2 x 18= 36
36 x 2= 72 mg
✔✔How much local anesthetic would 3 cartridges of 3% mepivacaine provide?
a. 18 mg
b. 54 mg
c. 108 mg
d. 162 mg - ✔✔162 mg
3 x 18= 54
54 x 3 = 162
✔✔What is the maximum recommended local anesthetic dosage for mepivacaine plain?
a. 500 mg/ appt
b. 400 mg/appt
c. 600 mg/appt
d. 90 mg/appt - ✔✔b. 400 mg/appt
✔✔How much local anesthetic is there in a dental cartridge of 3% concentration?
, a. 9 mg
b. 18 mg
c. 36 mg
d. 54 mg - ✔✔d. 54 mg
3 x 18 = 54 mg
✔✔How much local anesthetic is there in 3 cartridges of 4% prilocaine?
a. 72 mg
b. 108 mg
c. 156 mg
d. 216 mg - ✔✔d. 216 mg
4 x 28 = 72
72 x 3 = 216 mg
✔✔If the patient weighs 120 lbs and does not have any specific medical condition, a
maximum of how much cartridges of 2% lidocaine 1:100,000 can be given to the
patient?
a. 9.17 cartridges
b. 10.8 cartridges
c. 10.7 cartridges
d. 11. 1 cartridges - ✔✔c. 10.7 cartridges
keyword: no specific medical condition
MRD for Lido:
120 x 3.2 mg=384
384/36=10.7 cartridges
MRD for Epi (pt healthy): 0.2 mg/0.018 = 11.1 cartridges
10.7 lower than 11.1
✔✔What is the absolute maximum recommended local anesthetic dosage for
bupivacaine?
a. 500 mg/appt
b. 400 mg/appt
c. 600 mg/appt
d.90 mg/appt - ✔✔d.90 mg/appt
QUESTIONS AND ANSWERS SURE A+
✔✔What is the absolute highest local anesthetic MRD for lidocaine with epinephrine?
a. 500 mg/appt
b. 400 mg/appt
c. 600 mg/appt
d. 90 mg/appt - ✔✔a. 500 mg/appt
Lidocaine: 500 mg or 3.2 mg/lb
Mepivicaine: 400 mg or 3.0 mg/lb
Prilocaine: 600 mg or 4.0 mg/lb
Articaine: No absolute MRD. 3.2 mg/lb
Bupivicaine: 90 or 0.9 mg/lb
✔✔How much local anesthesia is there with 4 cartridges of 2% Lidocaine 1:50,000 (the
dental cartridges contains 1.7 ml of solution)?
,a. 18 mg
b. 68 mg
c. 136 mg
d. 144 mg - ✔✔c. 136 mg
2 x 17 = 34 mg
34 x 4 carts = 136 mg
✔✔How much local anesthesia is there in a dental cartridge of 2% concentration (1.8
ml)
a. 9 mg
b. 18 mg
c. 36 mg
d. 54 mg - ✔✔c. 36 mg
✔✔How many mg of local anesthetic is there in two cartridges of 2% lidocaine
1:100,000? (the cartridge total volume is 1.8 ml)
a. 18 mg
b. 36 mg
c. 72 mg
d. 96 mg - ✔✔c. 72 mg
2 x 18= 36
36 x 2= 72 mg
✔✔How much local anesthetic would 3 cartridges of 3% mepivacaine provide?
a. 18 mg
b. 54 mg
c. 108 mg
d. 162 mg - ✔✔162 mg
3 x 18= 54
54 x 3 = 162
✔✔What is the maximum recommended local anesthetic dosage for mepivacaine plain?
a. 500 mg/ appt
b. 400 mg/appt
c. 600 mg/appt
d. 90 mg/appt - ✔✔b. 400 mg/appt
✔✔How much local anesthetic is there in a dental cartridge of 3% concentration?
, a. 9 mg
b. 18 mg
c. 36 mg
d. 54 mg - ✔✔d. 54 mg
3 x 18 = 54 mg
✔✔How much local anesthetic is there in 3 cartridges of 4% prilocaine?
a. 72 mg
b. 108 mg
c. 156 mg
d. 216 mg - ✔✔d. 216 mg
4 x 28 = 72
72 x 3 = 216 mg
✔✔If the patient weighs 120 lbs and does not have any specific medical condition, a
maximum of how much cartridges of 2% lidocaine 1:100,000 can be given to the
patient?
a. 9.17 cartridges
b. 10.8 cartridges
c. 10.7 cartridges
d. 11. 1 cartridges - ✔✔c. 10.7 cartridges
keyword: no specific medical condition
MRD for Lido:
120 x 3.2 mg=384
384/36=10.7 cartridges
MRD for Epi (pt healthy): 0.2 mg/0.018 = 11.1 cartridges
10.7 lower than 11.1
✔✔What is the absolute maximum recommended local anesthetic dosage for
bupivacaine?
a. 500 mg/appt
b. 400 mg/appt
c. 600 mg/appt
d.90 mg/appt - ✔✔d.90 mg/appt
