WREB Anesthesia Written Review
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Local Complications - CORRECT ANSWER - 1. Needle Breakage
2. Paresthesia
3. Facial Nerve Paralysis
4. Hematoma
5. Trismus
6. Soft tissue injury
7. burning on injection
needle breakage causes - CORRECT ANSWER - SUDDEN PT MOVEMENT
inserting all the way to the hub
bending the needle
changing the needle direction
if repositioning, w/draw all the way
*for the IA & IO, the needle can be repositioned w/ 1/4 of the needle being inserted into the
tissue
forcefully contacting the bone
30G needles
most likely occurs w/ IA & PSA
have hemostat handy
paresthesia causes - CORRECT ANSWER - contaminated solution
hemorrhage
nerve damage
,paresthesia can cause - CORRECT ANSWER - pain/hyperparesthesia
numbness
tingling
swelling
itchiness
loss of taste
drooling
speech impairment
when does paresthesia resolve? - CORRECT ANSWER - usually in 8 wks, but can last up
to a year
what % drugs are more common with paresthesia? - CORRECT ANSWER - 4% drugs
what is facial nerve paralysis? - CORRECT ANSWER - loss of motor fxn in facial
expression
what is facial nerve paralysis caused by? - CORRECT ANSWER - depositing anesthetic
into parotid gland
management of facial nerve paralysis - CORRECT ANSWER - remove contacts
use an eye patch
details of facial nerve paralysis - CORRECT ANSWER - contact bone before depositing
only lasts as long as anesthetic lasts
what can hematoma cause? - CORRECT ANSWER - trismus
swelling
,pain
discoloration (bruising)
how hematoma is affected due to denseness - CORRECT ANSWER - more dense tissue =
limited spread of hematoma
less dense tissue = more severe spread of hematoma
what areas are most commonly affected by hematoma? - CORRECT ANSWER - PSA
IA
mental/incisive
management of hematoma - CORRECT ANSWER - apply pressure & ice immediately for
next 6 hrs
heat therapy next day
use analgesics (acetaminophen)
usually resolves in 7-14 days
causes of trismus - CORRECT ANSWER - low grade infection
repeated penetration
hemorrhage
contaminated solution
large amts of LA in small areas
what areas are most commonly affected from trismus? - CORRECT ANSWER - PSA &
IA
management of trismus - CORRECT ANSWER - apply heat for 20 min/hr
warm salt water rinses
analgesics & muscle relaxants
, exercise jaw for 5 min/3-4 hrs
what area of the face is most commonly affected by self-inflicted soft tissue injury? - CORRECT
ANSWER - lower lip
then tongue & cheek
who is most affected by self-inflicted soft tissue injury? - CORRECT ANSWER - kids &
those with special needs
what do you recommend to pts after LA administration? - CORRECT ANSWER - delay
eating hot foods/drinks until it wears off
what is OraVerse? - CORRECT ANSWER - injectable solution that helps reverse
anesthesia effects
adrenergic antagonist
composed of phentolamine mesylate
can be given to kids 6+ & heavier than 33 lbs
only up to 2 cartridges can be given
what causes burning on injection? - CORRECT ANSWER - HCl salt creates
burning/stinging
adding vasoconstrictor lowers pH
what is OnPharma and what does it do? - CORRECT ANSWER - bufferer
sodium bicarbonate that's mixed w/ LA to raise pH
malignant hyperthermia - CORRECT ANSWER - genetic condition that limits the ability
to supply oxygen to parts of the body, remove CO2, & regulate body temp
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Local Complications - CORRECT ANSWER - 1. Needle Breakage
2. Paresthesia
3. Facial Nerve Paralysis
4. Hematoma
5. Trismus
6. Soft tissue injury
7. burning on injection
needle breakage causes - CORRECT ANSWER - SUDDEN PT MOVEMENT
inserting all the way to the hub
bending the needle
changing the needle direction
if repositioning, w/draw all the way
*for the IA & IO, the needle can be repositioned w/ 1/4 of the needle being inserted into the
tissue
forcefully contacting the bone
30G needles
most likely occurs w/ IA & PSA
have hemostat handy
paresthesia causes - CORRECT ANSWER - contaminated solution
hemorrhage
nerve damage
,paresthesia can cause - CORRECT ANSWER - pain/hyperparesthesia
numbness
tingling
swelling
itchiness
loss of taste
drooling
speech impairment
when does paresthesia resolve? - CORRECT ANSWER - usually in 8 wks, but can last up
to a year
what % drugs are more common with paresthesia? - CORRECT ANSWER - 4% drugs
what is facial nerve paralysis? - CORRECT ANSWER - loss of motor fxn in facial
expression
what is facial nerve paralysis caused by? - CORRECT ANSWER - depositing anesthetic
into parotid gland
management of facial nerve paralysis - CORRECT ANSWER - remove contacts
use an eye patch
details of facial nerve paralysis - CORRECT ANSWER - contact bone before depositing
only lasts as long as anesthetic lasts
what can hematoma cause? - CORRECT ANSWER - trismus
swelling
,pain
discoloration (bruising)
how hematoma is affected due to denseness - CORRECT ANSWER - more dense tissue =
limited spread of hematoma
less dense tissue = more severe spread of hematoma
what areas are most commonly affected by hematoma? - CORRECT ANSWER - PSA
IA
mental/incisive
management of hematoma - CORRECT ANSWER - apply pressure & ice immediately for
next 6 hrs
heat therapy next day
use analgesics (acetaminophen)
usually resolves in 7-14 days
causes of trismus - CORRECT ANSWER - low grade infection
repeated penetration
hemorrhage
contaminated solution
large amts of LA in small areas
what areas are most commonly affected from trismus? - CORRECT ANSWER - PSA &
IA
management of trismus - CORRECT ANSWER - apply heat for 20 min/hr
warm salt water rinses
analgesics & muscle relaxants
, exercise jaw for 5 min/3-4 hrs
what area of the face is most commonly affected by self-inflicted soft tissue injury? - CORRECT
ANSWER - lower lip
then tongue & cheek
who is most affected by self-inflicted soft tissue injury? - CORRECT ANSWER - kids &
those with special needs
what do you recommend to pts after LA administration? - CORRECT ANSWER - delay
eating hot foods/drinks until it wears off
what is OraVerse? - CORRECT ANSWER - injectable solution that helps reverse
anesthesia effects
adrenergic antagonist
composed of phentolamine mesylate
can be given to kids 6+ & heavier than 33 lbs
only up to 2 cartridges can be given
what causes burning on injection? - CORRECT ANSWER - HCl salt creates
burning/stinging
adding vasoconstrictor lowers pH
what is OnPharma and what does it do? - CORRECT ANSWER - bufferer
sodium bicarbonate that's mixed w/ LA to raise pH
malignant hyperthermia - CORRECT ANSWER - genetic condition that limits the ability
to supply oxygen to parts of the body, remove CO2, & regulate body temp
