Local Anesthesia Prometric Exam
Questuions and answers
Greater Palatine - If #15 has a periodontal abscess and you've already given the
PSA, what other injection will you need to numb the lingual?
Free gingival margin - You are scaling the lingual of #13, where would you give
the injection for an infiltration?
Mucobuccal fold, Mucogingival junction, free gingival margin, or apex of #13
Nasopalatine - A central incisor has a periodontal defect on the lingual root surface,
what injection would you use?
Cold and compression for 12 hours - What is the treatment for a hematoma?
Patient has complications metabolizing the drug - ****You are seeing a patient for
SRP and they have Cirrhosis of the liver, what complications could arise from
using an amide local anesthetic?
#1. Works on mucous membranes. #2 not systemically toxic - *****What best
describes a topical anesthetic?
Keratinized/palatal tissue - *****Where would topical anesthetic be least
affective?
Expiration date on cartridge - What is the shelf-life of LA?
, No problems - What would happen if you administered 1 ml of solution per min?
A. No problems
B. Discomfort for patient
The infected area is more acidic which does not allow ionization of sodium
molecules - Why doesn't LA work in infected areas?
What are the safe doses of epinephrine for a cardiac patient and a healthy patient? -
***0.2 mm for healthy
0.04 mm for cardiac pt
3.4-3.6 - Some manufactures have changed how many mL of solution are in a
cartridge. How much would be administered if you had given 2 full cartridges?
IA - Where is most likely to use a long needle?
1.8 ml - How much mL is in a single cartridge of LA?
Smaller number, larger lumen - Which gauge has the smallest lumen?
Pain - Which sensation is lost first?
Makes the solution isotonic - What function does sodium chloride provide in LA
solutions?
Questuions and answers
Greater Palatine - If #15 has a periodontal abscess and you've already given the
PSA, what other injection will you need to numb the lingual?
Free gingival margin - You are scaling the lingual of #13, where would you give
the injection for an infiltration?
Mucobuccal fold, Mucogingival junction, free gingival margin, or apex of #13
Nasopalatine - A central incisor has a periodontal defect on the lingual root surface,
what injection would you use?
Cold and compression for 12 hours - What is the treatment for a hematoma?
Patient has complications metabolizing the drug - ****You are seeing a patient for
SRP and they have Cirrhosis of the liver, what complications could arise from
using an amide local anesthetic?
#1. Works on mucous membranes. #2 not systemically toxic - *****What best
describes a topical anesthetic?
Keratinized/palatal tissue - *****Where would topical anesthetic be least
affective?
Expiration date on cartridge - What is the shelf-life of LA?
, No problems - What would happen if you administered 1 ml of solution per min?
A. No problems
B. Discomfort for patient
The infected area is more acidic which does not allow ionization of sodium
molecules - Why doesn't LA work in infected areas?
What are the safe doses of epinephrine for a cardiac patient and a healthy patient? -
***0.2 mm for healthy
0.04 mm for cardiac pt
3.4-3.6 - Some manufactures have changed how many mL of solution are in a
cartridge. How much would be administered if you had given 2 full cartridges?
IA - Where is most likely to use a long needle?
1.8 ml - How much mL is in a single cartridge of LA?
Smaller number, larger lumen - Which gauge has the smallest lumen?
Pain - Which sensation is lost first?
Makes the solution isotonic - What function does sodium chloride provide in LA
solutions?
