Quiz - 11/18

Question 1

Factors to consider when giving LA;

Answer 1

need, efficacy, toxicity, compliance, cost

Question 2

7 topicals:

Answer 2

Benzocaine, benzo + butamene + tetracaine, dibucaine, dyconine (sucrets), lidocaine, pramoxinetetracaine

Question 3

Topical uses:

Answer 3

apthous ulcer, herpetic ulcer, mucosal inalmmation, denture sore spots, tooth eruption, X-rays, perio scaling, ag reflex inhibition

Question 4

Requirement of topicals:

Answer 4

must diffuse across mucosal barrier quickly

Question 5

Higher risk of systemic complications, topical or injectable?

Answer 5

topical

Question 6

Forms of topicals:

Answer 6

gel, paste, ointment, aerosol, lozenge, rinse

Question 7

3 classes of topicals:

Answer 7

amides, esters, unclassified

Question 8

Topical amides:

Answer 8

dibucaine, lidocaine, prilocaine

Question 9

3 topical esters:

Answer 9

benzocaine, butamen, tetracaine

Question 10

2 unclassified topicals:

Answer 10

dyclonine (sucrets), pramoxine (hemmorhoids)

Question 11

This is added to increase absorption of benzocaine:

Answer 11

carrier substance

Question 12

Possible issue with the addition of carrier:

Answer 12

adverse reaction

Question 13

Onset of action of topicals:

Answer 13

30s -15m

Question 14

Topicals w 10-20m duration of action:

Answer 14

benzocaine, lidocaine

Question 15

Topicals w 20-40m duration of action:

Answer 15

Cocaine, dyclonine (sucrets)

Question 16

Most common allergic reaction w topicals:

Answer 16

ester type, sulfa antibiotics and sp NSAIDS celocoxin, celobrex

Question 17

pH’s:

Answer 17

Mepiva: 7.6, Etido: 7.74, Arti: 7.8, Lido: 7.9, Prilo: 7.9, Bupiva: 8.1 (MEAL PB)

Question 18

Relative toxicities:

Answer 18

asasf

Question 19

Preservatives:

Answer 19

sodium bisulfite, sodium metabisulfite