CDCA LOCAL ANESTHESIA EXAM | 100+
QUESTIONS AND ANSWERS RATED A+ |
2026/2027 GUIDE
if a patient has liver disease, you would use caution with an amide
anesthetic because:
- Correct Answer - amides are broken down/metabolized in the liver
what is the benefit of slow deposit rate?
- Correct Answer - less pain and less complications
after the infraorbital injection, the patient's cheek turns white. what
happened?
- Correct Answer - blanching or vasoconstriction of blood vessels in the
area
why does anesthetic fail to work near abscessed tooth?
- Correct Answer - infection causing low pH (acidic)
innervation to the soft palate is obtained with which nerve?
- Correct Answer - lesser palatine nerve
what causes a droopy eyelid?
- Correct Answer - anesthetizing the facial nerve
,what would you use for an immediate and severe allergic reaction? what
would you use for a delayed allergic reaction?
- Correct Answer - immediate: epinephrine
delayed: benadryl
if you want hemostasis, what is your procedure of choice? - Correct
Answer - infiltration
what type of injection is used for local anesthesia? - Correct Answer -
submucosal ** Dr. H note - the correct answer would be submucosal
since cutanous means skin, however, if this is not an option, then
subcutaneous would be the best choice***
what type of local anesthetic should not be used on a patient with
COPD? - Correct Answer - prilocaine
immediately following a PSA the patient's face began to swell and
obvious distention. what would cause this? - Correct Answer -
**hematoma was not an option**
injecting too fast or acute infection
post-op tx for hematoma immediately is what? what is further tx? -
Correct Answer - pressure immediately and ice later on/off, and
analgesics
a patient calls a day after tx and cant open, what is the likely cause? -
Correct Answer - trismus (most likely) or infection
, your patient is experiencing psychogenic pain. what is the concern with
this? - Correct Answer - not a dental concern - the patient isn't really
experiencing pain
why are aspirating syringes recommended? - Correct Answer - avoid
intravascular injection
what is the antioxidant in a cartridge? - Correct Answer - bisulfite
(****bisulfITE not bisulfIDE)
what determines the duration of anesthetics? - Correct Answer - protein
binding
after an injection the patient complains of itching and their throat feeling
swollen. what treatment would you provide? - Correct Answer -
epinephrine
topical anesthetics are absorbed by what? - Correct Answer - mucous
membranes
which has thicker cortical plate, maxillary or mandibular? - Correct
Answer - mandibular (this decreased the amount of the local anesthesia
molecules that can penetrate to nerves during infiltration injections)
due to the thickness of cortical bone, which is a good option for local
anesthetic in the mandibular arch during infiltrations? - Correct Answer -
Articaine (Septocaine) is sometimes effective for mand. infiltrations (4%
vs. 2% for lidocaine) due to the increased number of molecules
QUESTIONS AND ANSWERS RATED A+ |
2026/2027 GUIDE
if a patient has liver disease, you would use caution with an amide
anesthetic because:
- Correct Answer - amides are broken down/metabolized in the liver
what is the benefit of slow deposit rate?
- Correct Answer - less pain and less complications
after the infraorbital injection, the patient's cheek turns white. what
happened?
- Correct Answer - blanching or vasoconstriction of blood vessels in the
area
why does anesthetic fail to work near abscessed tooth?
- Correct Answer - infection causing low pH (acidic)
innervation to the soft palate is obtained with which nerve?
- Correct Answer - lesser palatine nerve
what causes a droopy eyelid?
- Correct Answer - anesthetizing the facial nerve
,what would you use for an immediate and severe allergic reaction? what
would you use for a delayed allergic reaction?
- Correct Answer - immediate: epinephrine
delayed: benadryl
if you want hemostasis, what is your procedure of choice? - Correct
Answer - infiltration
what type of injection is used for local anesthesia? - Correct Answer -
submucosal ** Dr. H note - the correct answer would be submucosal
since cutanous means skin, however, if this is not an option, then
subcutaneous would be the best choice***
what type of local anesthetic should not be used on a patient with
COPD? - Correct Answer - prilocaine
immediately following a PSA the patient's face began to swell and
obvious distention. what would cause this? - Correct Answer -
**hematoma was not an option**
injecting too fast or acute infection
post-op tx for hematoma immediately is what? what is further tx? -
Correct Answer - pressure immediately and ice later on/off, and
analgesics
a patient calls a day after tx and cant open, what is the likely cause? -
Correct Answer - trismus (most likely) or infection
, your patient is experiencing psychogenic pain. what is the concern with
this? - Correct Answer - not a dental concern - the patient isn't really
experiencing pain
why are aspirating syringes recommended? - Correct Answer - avoid
intravascular injection
what is the antioxidant in a cartridge? - Correct Answer - bisulfite
(****bisulfITE not bisulfIDE)
what determines the duration of anesthetics? - Correct Answer - protein
binding
after an injection the patient complains of itching and their throat feeling
swollen. what treatment would you provide? - Correct Answer -
epinephrine
topical anesthetics are absorbed by what? - Correct Answer - mucous
membranes
which has thicker cortical plate, maxillary or mandibular? - Correct
Answer - mandibular (this decreased the amount of the local anesthesia
molecules that can penetrate to nerves during infiltration injections)
due to the thickness of cortical bone, which is a good option for local
anesthetic in the mandibular arch during infiltrations? - Correct Answer -
Articaine (Septocaine) is sometimes effective for mand. infiltrations (4%
vs. 2% for lidocaine) due to the increased number of molecules
