LOCAL ANESTHESIA PROMETRIC EXAM GUIDE
2026 FULL QUESTIONS AND VERIFIED
SOLUTIONS 100% ACCURATE
◉ 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
2026 FULL QUESTIONS AND VERIFIED
SOLUTIONS 100% ACCURATE
◉ 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
