NERB DENTAL LOCAL ANESTHESIA QUESTIONS AND Type of tissue topical anesthetic are least effective on -
CORRECT ANSWERS VERIFIED LATEST 2023-2024 GRADE A ANSWER>>>Keratinized Tissue
+
Which is true for topical anesthetic - ANSWER>>>No systemic
problems
Where mandibular nerve passes through the skull -
ANSWER>>>Foramen Ovalle Highest occurrence of allergic reactions - ANSWER>>>Ester
option (benzocaine)
Where Nasopalatine Nerve passes through -
ANSWER>>>Incisive Foramen The significance of giving an amide anesthetic to a patient with
Cirrhosis? - ANSWER>>>Because amide anesthetic being
Maxillary Division of Trigeminal Nerve - ANSWER>>>Sensory metabolized in the liver
Infraorbital Nerve - ANSWER>>>Which is NOT associated with Landmark for an IANB injection - ANSWER>>>Coronoid Notch
Mandibular Nerve branch
No organic base for the pain - ANSWER>>>Psychogenic Pain
MB root of the 1st molar - ANSWER>>>PSA inner cares 1st, 2nd, question
& 3rd Maxillary molars but may not innervate this area:
Max dose for cardiac patient? - ANSWER>>>.04mg
What injection is needed to anesthetize Lingual of Max anterior -
ANSWER>>>Nasopalatine Max dose for a normal patient - ANSWER>>>.2mg
What injection is needed to anesthetize the entire palate on one Limited opening of mouth - ANSWER>>>What is Trismus
side - ANSWER>>>Greater Palatine and Nasopalatine
Cold compress and pressure to bleeding -
How far do you insert needle on an IANB - ANSWER>>>20- ANSWER>>>Management of a hematoma
25mm or 3/4 length of the needle
Heat & Jae excercise - ANSWER>>>Management of Trismus
What happens during Depolarization - ANSWER>>>Sodium in
and Potassium out Hematoma can occur if needle penetrates into the pterygoid
Plexus of veins during an injection - ANSWER>>>PSA
What local anesthetic is metabolized by pseudocholinesterase -
ANSWER>>>Esters Needle used for infiltration - ANSWER>>>27g short
,What is the volume of solution in a single cartridge of LA? -
ANSWER>>>1.7ml/1.8ml Location for the Long Buccal Injection? - ANSWER>>>D and B to
the 2nd mandibular molar
An Antioxidant - ANSWER>>>Sodium Bisulfate
Why does anesthesia fail to work near an abscessed tooth? -
Actions of a Vasopressor - ANSWER>>>Increase LA duration, ANSWER>>>infection causes lower pH
hemostasis, reduce change in toxicity
Innervation of the soft palate? - ANSWER>>>Lesser Palatine
What would cause a dry cornea? - ANSWER>>>Anesthesia of Nerve
the Facial Nerve.
1st sign a f local anesthesia toxicity? - ANSWER>>>CNS
How much epi in a 1% solution of 1.8ml (1.7ml) - excitement
ANSWER>>>10x1.8(1.7)=18mg(17mg)
Allergic reaction management for immediate onset ? -
Burning upon injections is due to: - ANSWER>>>PH of a solution, ANSWER>>>Epi
injecting too fast, cartridge wiped with alcohol/serlization solution.
Allergic reaction management for delayed? -
How much local anesthetic in a 2% solution of 1.8ml (1.7ml) - ANSWER>>>Benadryl
ANSWER>>>20x1.8(1.7)=36mg(34mg)
You administer anesthetic to your patient and within minutes a
How much local anesthetic in a 3% solution of 1.8ml (1.7ml) - rash was forming of the neck. She complained of having trouble
ANSWER>>>30x1.8(1.7)=54mg(51mg) breathing. What would you do? - ANSWER>>>Give Epi
Needle breakage is Cause by: - ANSWER>>>#1 ANSWER- Injection site if you wanted to infiltrate on the L of #13: -
bending the needle ANSWER>>>Near apex of tooth
#2 ANSWER- patient movement
If you want hemostasis what injection is best? -
Why would a patient receive an electric shock during delivery of ANSWER>>>Infiltration
anesthesia? - ANSWER>>>Needle touched the nerve
Allergic reaction to an anesthetic - ANSWER>>>Choose ester
Ongoing numbness of the anterior 2/3of tongue is caused by option
which Nerve being anesthetized: - ANSWER>>>Lingual Nerve
What causes a droopy eyelid? - ANSWER>>>Anesthesia of the
What is the benefit of a slow deposition rate? - ANSWER>>>Less Facial Nerve
pain, less complications
, Where do you dispose of used needles? - ANSWER>>>Sharps What LA is metabolized by pseudocholiaeterase? -
container ANSWER>>>Esters
Which root is not anesthetized with the PSA injection? - Landmark for IA Injection - ANSWER>>>Coronoid Notch
ANSWER>>>MB root #14
What is a possible cause of pain upon removal of needle? -
Burning of injections could be due to: - ANSWER>>>Too fast or ANSWER>>>Needle Barb
lower pH from vasoconstrictor
How does a self aspirating syringe work? - ANSWER>>>When
Injection site for Lingual infiltration of maxillary molars: - you let pressure off it aspirates
ANSWER>>>5-10mm from the free gingival margin
Max does of epi for cardiac patient - ANSWER>>>.04mg
If you want hemostasis what kind of injection should be used? -
ANSWER>>>Infiltration Max does of epi for normal patient - ANSWER>>>.2mg
Maxillary Nerve passes through by way of: - When giving an injection the patient experiences no pain until
ANSWER>>>Foramen Rotundum Anesthetic is deposited... what happen? - ANSWER>>>Deposited
too fast
Type of Topical Anesthetic? - ANSWER>>>Benzocaine, not
absorbed systemically Needle gauge and which lumen is smallest? -
ANSWER>>>Smaller the # the larger the lumen
Transmits impulses faster - ANSWER>>>Myelinated Nerve
During Anesthetic what sensation is lost 1st? - ANSWER>>>Pain
How do you orient in bevel upon insertion? -
ANSWER>>>Towards the bone What function sodium chloride provides in LA solutions? -
ANSWER>>>Makes solution isotonic
Increase blood pressure - ANSWER>>>Beta blockers
Why is Sodium Bisulfate in LA solution? -
What part of the syringe indicates it's an aspirating syringe? - ANSWER>>>Antioxidant preventing biodegration of LA
ANSWER>>>Harpoon
Post op Hematoma management option: - ANSWER>>>Cold and
What tissue is topical anesthetic least effective? - compression for 12 hrs
ANSWER>>>Keratinized or Palatal
You are seeing a patient for SRP and they have cirrhosis of the
liver, what complications could arise from using an amide local
CORRECT ANSWERS VERIFIED LATEST 2023-2024 GRADE A ANSWER>>>Keratinized Tissue
+
Which is true for topical anesthetic - ANSWER>>>No systemic
problems
Where mandibular nerve passes through the skull -
ANSWER>>>Foramen Ovalle Highest occurrence of allergic reactions - ANSWER>>>Ester
option (benzocaine)
Where Nasopalatine Nerve passes through -
ANSWER>>>Incisive Foramen The significance of giving an amide anesthetic to a patient with
Cirrhosis? - ANSWER>>>Because amide anesthetic being
Maxillary Division of Trigeminal Nerve - ANSWER>>>Sensory metabolized in the liver
Infraorbital Nerve - ANSWER>>>Which is NOT associated with Landmark for an IANB injection - ANSWER>>>Coronoid Notch
Mandibular Nerve branch
No organic base for the pain - ANSWER>>>Psychogenic Pain
MB root of the 1st molar - ANSWER>>>PSA inner cares 1st, 2nd, question
& 3rd Maxillary molars but may not innervate this area:
Max dose for cardiac patient? - ANSWER>>>.04mg
What injection is needed to anesthetize Lingual of Max anterior -
ANSWER>>>Nasopalatine Max dose for a normal patient - ANSWER>>>.2mg
What injection is needed to anesthetize the entire palate on one Limited opening of mouth - ANSWER>>>What is Trismus
side - ANSWER>>>Greater Palatine and Nasopalatine
Cold compress and pressure to bleeding -
How far do you insert needle on an IANB - ANSWER>>>20- ANSWER>>>Management of a hematoma
25mm or 3/4 length of the needle
Heat & Jae excercise - ANSWER>>>Management of Trismus
What happens during Depolarization - ANSWER>>>Sodium in
and Potassium out Hematoma can occur if needle penetrates into the pterygoid
Plexus of veins during an injection - ANSWER>>>PSA
What local anesthetic is metabolized by pseudocholinesterase -
ANSWER>>>Esters Needle used for infiltration - ANSWER>>>27g short
,What is the volume of solution in a single cartridge of LA? -
ANSWER>>>1.7ml/1.8ml Location for the Long Buccal Injection? - ANSWER>>>D and B to
the 2nd mandibular molar
An Antioxidant - ANSWER>>>Sodium Bisulfate
Why does anesthesia fail to work near an abscessed tooth? -
Actions of a Vasopressor - ANSWER>>>Increase LA duration, ANSWER>>>infection causes lower pH
hemostasis, reduce change in toxicity
Innervation of the soft palate? - ANSWER>>>Lesser Palatine
What would cause a dry cornea? - ANSWER>>>Anesthesia of Nerve
the Facial Nerve.
1st sign a f local anesthesia toxicity? - ANSWER>>>CNS
How much epi in a 1% solution of 1.8ml (1.7ml) - excitement
ANSWER>>>10x1.8(1.7)=18mg(17mg)
Allergic reaction management for immediate onset ? -
Burning upon injections is due to: - ANSWER>>>PH of a solution, ANSWER>>>Epi
injecting too fast, cartridge wiped with alcohol/serlization solution.
Allergic reaction management for delayed? -
How much local anesthetic in a 2% solution of 1.8ml (1.7ml) - ANSWER>>>Benadryl
ANSWER>>>20x1.8(1.7)=36mg(34mg)
You administer anesthetic to your patient and within minutes a
How much local anesthetic in a 3% solution of 1.8ml (1.7ml) - rash was forming of the neck. She complained of having trouble
ANSWER>>>30x1.8(1.7)=54mg(51mg) breathing. What would you do? - ANSWER>>>Give Epi
Needle breakage is Cause by: - ANSWER>>>#1 ANSWER- Injection site if you wanted to infiltrate on the L of #13: -
bending the needle ANSWER>>>Near apex of tooth
#2 ANSWER- patient movement
If you want hemostasis what injection is best? -
Why would a patient receive an electric shock during delivery of ANSWER>>>Infiltration
anesthesia? - ANSWER>>>Needle touched the nerve
Allergic reaction to an anesthetic - ANSWER>>>Choose ester
Ongoing numbness of the anterior 2/3of tongue is caused by option
which Nerve being anesthetized: - ANSWER>>>Lingual Nerve
What causes a droopy eyelid? - ANSWER>>>Anesthesia of the
What is the benefit of a slow deposition rate? - ANSWER>>>Less Facial Nerve
pain, less complications
, Where do you dispose of used needles? - ANSWER>>>Sharps What LA is metabolized by pseudocholiaeterase? -
container ANSWER>>>Esters
Which root is not anesthetized with the PSA injection? - Landmark for IA Injection - ANSWER>>>Coronoid Notch
ANSWER>>>MB root #14
What is a possible cause of pain upon removal of needle? -
Burning of injections could be due to: - ANSWER>>>Too fast or ANSWER>>>Needle Barb
lower pH from vasoconstrictor
How does a self aspirating syringe work? - ANSWER>>>When
Injection site for Lingual infiltration of maxillary molars: - you let pressure off it aspirates
ANSWER>>>5-10mm from the free gingival margin
Max does of epi for cardiac patient - ANSWER>>>.04mg
If you want hemostasis what kind of injection should be used? -
ANSWER>>>Infiltration Max does of epi for normal patient - ANSWER>>>.2mg
Maxillary Nerve passes through by way of: - When giving an injection the patient experiences no pain until
ANSWER>>>Foramen Rotundum Anesthetic is deposited... what happen? - ANSWER>>>Deposited
too fast
Type of Topical Anesthetic? - ANSWER>>>Benzocaine, not
absorbed systemically Needle gauge and which lumen is smallest? -
ANSWER>>>Smaller the # the larger the lumen
Transmits impulses faster - ANSWER>>>Myelinated Nerve
During Anesthetic what sensation is lost 1st? - ANSWER>>>Pain
How do you orient in bevel upon insertion? -
ANSWER>>>Towards the bone What function sodium chloride provides in LA solutions? -
ANSWER>>>Makes solution isotonic
Increase blood pressure - ANSWER>>>Beta blockers
Why is Sodium Bisulfate in LA solution? -
What part of the syringe indicates it's an aspirating syringe? - ANSWER>>>Antioxidant preventing biodegration of LA
ANSWER>>>Harpoon
Post op Hematoma management option: - ANSWER>>>Cold and
What tissue is topical anesthetic least effective? - compression for 12 hrs
ANSWER>>>Keratinized or Palatal
You are seeing a patient for SRP and they have cirrhosis of the
liver, what complications could arise from using an amide local
