LOCAL ANESTHESIA MOCK EXAM AND LOCAL ANESTHESIA
MOCK BOARD EXAM ACTUAL EXAM 300 QUESTIONS AND
CORRECT DETAILED ANSWERS
What nerve was damaged if the anterior 2/3 of the tongue has a loss of sensation -
ANSWER: facial or lingual?
What is the volume of LA anesthetic solution in 2 cartridges of Lidocaine? - ANSWER:
3.6ml?
What type of injection would be used to achieve hemostasis - ANSWER: Infiltration
Where are used needles disposed - ANSWER: Hazard Sharps
Burning feeling from injection can be caused by what? - ANSWER: Lowered pH,
experienced more by an older cartridge than a fresher one because once sodium
bisulfite is oxidized, it turns to sodium bisulfate, it has an even lower pH.
Needle gauge for infiltration - ANSWER: 27 Short
Why would you use caution with Amides and a patient who has Cirrosis? - ANSWER:
Amides are metabolized in the liver
Which component of LA is an antioxidant - ANSWER: Sodium (Meta) Bisulfite
Sequence of disappearance of sensation - ANSWER: Pain, Temperature, Touch,
Proprioception, Motor
Adverse effects on CNS - ANSWER: CNS Depression, Convulsions
4.5-7micrograms/mL Epinephrine will induce - ANSWER: Euphoria, sweating,
vomiting
10 micrograms and up Epinephrine will induce - ANSWER: Seizures, Decreased HR,
BP, and respirations
A cartridge of .5% contains how much LA - ANSWER: 9.0 mg
A cartridge of 2% contains how much LA - ANSWER: 36.mg
A cartridge of 3% contains how much LA? - ANSWER: 54.mg
A cartridge of 4% contains how much LA - ANSWER: 72.mg
Nerve block - ANSWER: Close proximity to nerve trunk
, The maxillary division passes through which foramen - ANSWER: Foramen rotundum
The mandibular division passes through which foramen - ANSWER: Foramen ovale
Treatment for Hematoma - ANSWER: Hematoma is the effusion of blood into
extravascular spaces and can result from nicking a blood vessel, artery or vein. Apply
pressure for atleast 2 minutes, Ice the area immediately, and then use warm moist
towels 4-6 hours after to area, rinse with salt water
Primary reason for needle breakage - ANSWER: Weakening of the dental needle by
bending it before it's insertion into the pt.'s mouth. 2nd reason is pt. movement.
How is topical anesthetic best described - ANSWER: absorbed through mucousal
tissue
How far are you into tissue when you first hit bone on the IA block choices: 1/4 inch
1/2in, 3/4in, 1in? - ANSWER: 1 inch
Amides VS Esters and allergic reation - ANSWER: Less allergies with Amides
Which tissue is least effected by topical - ANSWER: kertized
Which injections to scale maxillary molars - ANSWER: PSA and GP
When do you use a long needle - ANSWER: IA block
How much epi in a 1:100,000 cartridge of LA - ANSWER: 0.018
How much epi in a 1:50,000 cartridge of LA - ANSWER: 0.036
How much epi in a 1:200,000 cartridge of LA - ANSWER: .009
How much epi in a 1:20,000 cartridge of LA - ANSWER: .09
How much LA to deposit on a Lingual injection - ANSWER: .3ml
What is the shelf life of a cartridge of LA - ANSWER: the expiration date on the
cartridge
Where do you inject the nasopalatine injection - ANSWER: Incisive formen
How much epi for a cardiac pt. - ANSWER: 0.04 mg?
How much epi for a healthy pt. - ANSWER: .20mg ( there was no .2 choice)
Are maxillary nerves motor and sensory - ANSWER: only sensory
MOCK BOARD EXAM ACTUAL EXAM 300 QUESTIONS AND
CORRECT DETAILED ANSWERS
What nerve was damaged if the anterior 2/3 of the tongue has a loss of sensation -
ANSWER: facial or lingual?
What is the volume of LA anesthetic solution in 2 cartridges of Lidocaine? - ANSWER:
3.6ml?
What type of injection would be used to achieve hemostasis - ANSWER: Infiltration
Where are used needles disposed - ANSWER: Hazard Sharps
Burning feeling from injection can be caused by what? - ANSWER: Lowered pH,
experienced more by an older cartridge than a fresher one because once sodium
bisulfite is oxidized, it turns to sodium bisulfate, it has an even lower pH.
Needle gauge for infiltration - ANSWER: 27 Short
Why would you use caution with Amides and a patient who has Cirrosis? - ANSWER:
Amides are metabolized in the liver
Which component of LA is an antioxidant - ANSWER: Sodium (Meta) Bisulfite
Sequence of disappearance of sensation - ANSWER: Pain, Temperature, Touch,
Proprioception, Motor
Adverse effects on CNS - ANSWER: CNS Depression, Convulsions
4.5-7micrograms/mL Epinephrine will induce - ANSWER: Euphoria, sweating,
vomiting
10 micrograms and up Epinephrine will induce - ANSWER: Seizures, Decreased HR,
BP, and respirations
A cartridge of .5% contains how much LA - ANSWER: 9.0 mg
A cartridge of 2% contains how much LA - ANSWER: 36.mg
A cartridge of 3% contains how much LA? - ANSWER: 54.mg
A cartridge of 4% contains how much LA - ANSWER: 72.mg
Nerve block - ANSWER: Close proximity to nerve trunk
, The maxillary division passes through which foramen - ANSWER: Foramen rotundum
The mandibular division passes through which foramen - ANSWER: Foramen ovale
Treatment for Hematoma - ANSWER: Hematoma is the effusion of blood into
extravascular spaces and can result from nicking a blood vessel, artery or vein. Apply
pressure for atleast 2 minutes, Ice the area immediately, and then use warm moist
towels 4-6 hours after to area, rinse with salt water
Primary reason for needle breakage - ANSWER: Weakening of the dental needle by
bending it before it's insertion into the pt.'s mouth. 2nd reason is pt. movement.
How is topical anesthetic best described - ANSWER: absorbed through mucousal
tissue
How far are you into tissue when you first hit bone on the IA block choices: 1/4 inch
1/2in, 3/4in, 1in? - ANSWER: 1 inch
Amides VS Esters and allergic reation - ANSWER: Less allergies with Amides
Which tissue is least effected by topical - ANSWER: kertized
Which injections to scale maxillary molars - ANSWER: PSA and GP
When do you use a long needle - ANSWER: IA block
How much epi in a 1:100,000 cartridge of LA - ANSWER: 0.018
How much epi in a 1:50,000 cartridge of LA - ANSWER: 0.036
How much epi in a 1:200,000 cartridge of LA - ANSWER: .009
How much epi in a 1:20,000 cartridge of LA - ANSWER: .09
How much LA to deposit on a Lingual injection - ANSWER: .3ml
What is the shelf life of a cartridge of LA - ANSWER: the expiration date on the
cartridge
Where do you inject the nasopalatine injection - ANSWER: Incisive formen
How much epi for a cardiac pt. - ANSWER: 0.04 mg?
How much epi for a healthy pt. - ANSWER: .20mg ( there was no .2 choice)
Are maxillary nerves motor and sensory - ANSWER: only sensory
