Local Anesthesia CDCA UPDATED
ACTUAL Questions and CORRECT
Answers
When performing an IA, how far should the needle penetrate? - CORRECT ANSWER-
✔✔2/3
How do you dispose of the syringe armamentarium? - CORRECT ANSWER- ✔✔Sharps
Container
What is the longest you should leave a lidocaine topical patch on? - CORRECT ANSWER-
✔✔15 mins
What injections do you give for perio treatment on #14,15,16 - CORRECT ANSWER-
✔✔MSA, PSA, GP
What nerve supplies the tissue of the maxillary anterior lingual? - CORRECT ANSWER-
✔✔Nasopalatine
What nerve has been anesthetized if the lower lip is numb? - CORRECT ANSWER-
✔✔Mental
A women has immediate swelling on her face following a PSA injection, what was the cause?
- CORRECT ANSWER- ✔✔Needle entered the ptyergoid plexus of veins
what is the immediate treatment in the office for a hematoma? - CORRECT ANSWER-
✔✔Pressure, then ice
What is the recommend treatment to the patient for a hematoma following the appointment? -
CORRECT ANSWER- ✔✔Ice then moist heat
What causes trismus? - CORRECT ANSWER- ✔✔Needle entering muscle
, What is the patient care for trismus? - CORRECT ANSWER- ✔✔exercise the jaw, oral
analgesics
when does anesthetic shelf life end? - CORRECT ANSWER- ✔✔when the date on the side
of the cartridge states
if you give a PSA, what root may not be anesthetized? - CORRECT ANSWER- ✔✔mesial
buccal root of the 1st molar
V3 innervates all but? - CORRECT ANSWER- ✔✔mental, IA, infraorbital, preauricular
what would you not use for an intramural antiseptic on an injection site? - CORRECT
ANSWER- ✔✔Alcohol
if you inject 1/3 of the needle on an IA and hit bone, what do you do? - CORRECT
ANSWER- ✔✔retract the needle from bone, readjust the syringe so the needle is pointing
more posteriorly along the mandible
whats the most common cause of needle breakage? - CORRECT ANSWER- ✔✔bending the
needle, or sudden patient movement
patient experiences a sharp tingling pain and immediate anesthesia; what has happened? -
CORRECT ANSWER- ✔✔Contacted the nerve sheath
what should be the depth of the needle insertion for a PSA? - CORRECT ANSWER- ✔✔2/3
what gauge needle should be used for infiltration? - CORRECT ANSWER- ✔✔27
what is the purpose of vasoconstrictors? - CORRECT ANSWER- ✔✔Heemostasis,
anesthesia duration
ACTUAL Questions and CORRECT
Answers
When performing an IA, how far should the needle penetrate? - CORRECT ANSWER-
✔✔2/3
How do you dispose of the syringe armamentarium? - CORRECT ANSWER- ✔✔Sharps
Container
What is the longest you should leave a lidocaine topical patch on? - CORRECT ANSWER-
✔✔15 mins
What injections do you give for perio treatment on #14,15,16 - CORRECT ANSWER-
✔✔MSA, PSA, GP
What nerve supplies the tissue of the maxillary anterior lingual? - CORRECT ANSWER-
✔✔Nasopalatine
What nerve has been anesthetized if the lower lip is numb? - CORRECT ANSWER-
✔✔Mental
A women has immediate swelling on her face following a PSA injection, what was the cause?
- CORRECT ANSWER- ✔✔Needle entered the ptyergoid plexus of veins
what is the immediate treatment in the office for a hematoma? - CORRECT ANSWER-
✔✔Pressure, then ice
What is the recommend treatment to the patient for a hematoma following the appointment? -
CORRECT ANSWER- ✔✔Ice then moist heat
What causes trismus? - CORRECT ANSWER- ✔✔Needle entering muscle
, What is the patient care for trismus? - CORRECT ANSWER- ✔✔exercise the jaw, oral
analgesics
when does anesthetic shelf life end? - CORRECT ANSWER- ✔✔when the date on the side
of the cartridge states
if you give a PSA, what root may not be anesthetized? - CORRECT ANSWER- ✔✔mesial
buccal root of the 1st molar
V3 innervates all but? - CORRECT ANSWER- ✔✔mental, IA, infraorbital, preauricular
what would you not use for an intramural antiseptic on an injection site? - CORRECT
ANSWER- ✔✔Alcohol
if you inject 1/3 of the needle on an IA and hit bone, what do you do? - CORRECT
ANSWER- ✔✔retract the needle from bone, readjust the syringe so the needle is pointing
more posteriorly along the mandible
whats the most common cause of needle breakage? - CORRECT ANSWER- ✔✔bending the
needle, or sudden patient movement
patient experiences a sharp tingling pain and immediate anesthesia; what has happened? -
CORRECT ANSWER- ✔✔Contacted the nerve sheath
what should be the depth of the needle insertion for a PSA? - CORRECT ANSWER- ✔✔2/3
what gauge needle should be used for infiltration? - CORRECT ANSWER- ✔✔27
what is the purpose of vasoconstrictors? - CORRECT ANSWER- ✔✔Heemostasis,
anesthesia duration
