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Dental Hygiene: Local Anesthesia Exam
Questions With Correct Answers.
What are the routes of local anesthetic delivery in dentistry? - answer✔✔Topical, submucosal
(injection)
What are the components of a good anesthetic? - answer✔✔Biocompatibility, safe and effective
What are aspects of biocompatibility? - answer✔✔Non-irritable, nontoxic, non-allergenic, bio-
transforms, reversible
What makes an anesthetic safe and effective? - answer✔✔- Works with area tissues (nerves)
- Short onset, no residual effects
- Duration and potent enough for procedure - sterilizable
- Patients remain conscious
True or False. An amide has nitrogen in the intermediate chain of its chemical formula. An ester
has no nitrogen in the intermediate chain. - answer✔✔Both statements are true.
What is Pharmacodynamics? - answer✔✔Action on peripheral nerves, CNS, CVS, tissues -
Interrupt normal actions.
What is Pharmacokinetics? - answer✔✔absorption, distribution, metabolism, elimination
What is the Specific Receptor Protein Theory? - answer✔✔blocks the ion channels
What is the Membrane Expansion Theory? - answer✔✔narrows ion channels
The base molecule is: lipophilic or hydrophilic? - answer✔✔lipophilic
Only ____ bind to receptor sites in sodium ion channels to block nerve impulse generation and
transmission - answer✔✔cations
A neutral pH is how much? - answer✔✔~7.4
True or False: Increased inflammation causes a higher pH. - answer✔✔False. Increased
inflammation causes a lower pH.
Dental Hygiene: Local Anesthesia Exam
Questions With Correct Answers.
What are the routes of local anesthetic delivery in dentistry? - answer✔✔Topical, submucosal
(injection)
What are the components of a good anesthetic? - answer✔✔Biocompatibility, safe and effective
What are aspects of biocompatibility? - answer✔✔Non-irritable, nontoxic, non-allergenic, bio-
transforms, reversible
What makes an anesthetic safe and effective? - answer✔✔- Works with area tissues (nerves)
- Short onset, no residual effects
- Duration and potent enough for procedure - sterilizable
- Patients remain conscious
True or False. An amide has nitrogen in the intermediate chain of its chemical formula. An ester
has no nitrogen in the intermediate chain. - answer✔✔Both statements are true.
What is Pharmacodynamics? - answer✔✔Action on peripheral nerves, CNS, CVS, tissues -
Interrupt normal actions.
What is Pharmacokinetics? - answer✔✔absorption, distribution, metabolism, elimination
What is the Specific Receptor Protein Theory? - answer✔✔blocks the ion channels
What is the Membrane Expansion Theory? - answer✔✔narrows ion channels
The base molecule is: lipophilic or hydrophilic? - answer✔✔lipophilic
Only ____ bind to receptor sites in sodium ion channels to block nerve impulse generation and
transmission - answer✔✔cations
A neutral pH is how much? - answer✔✔~7.4
True or False: Increased inflammation causes a higher pH. - answer✔✔False. Increased
inflammation causes a lower pH.
