Dental Hygiene Local Anesthesia
Exam A+ Pass 100% Solved
Questions And All Correct Answers
2025-2026 New Update VERIFIED
What part of the syringe indicates it is an aspirating syringe?
Harpoon
Antiseptic not to use
Alcohol
What is a poss cause of pain upon removal of the needle?
Needle barb
How a self aspirating syringe works
When let off pressure it aspirates
What causes a hematoma?
Injecting in the pterygoid plexus during a PSA injection
Needle gauge: which lumen is smallest?
Smaller number, larger the lumen
What sensation is lost first?
Pain
What function does sodium chloride provide in LA solutions?
Makes the solution isotonic
Local anes to avoid in patients with a sulfa allergy
Articaine
If a patient receives 3 1.7 ml cartridges of 3% mepivicaine, how much drug did
she receive?
, 3% equals
=(1.7 x 30) x 3
=51 mg x 3
The answer is 153 mg.
What type of injection is local anesthesia
Subcutaneous
If you were going to anesthetize the maxillary incisors where would you inject?
Papilla
Least preferable way to recap needle
2 hand method
Do myelinated nerves travel faster or slower than unmyeliated nerves?
Impulses travel faster than unmyelinated
What injection numbs lower lip?
IANB
What is the cause if patient has a lesion on the lower lip next day?
Bit lip
Why infiltration works better in maxilla than mandible?
Mandible more dense
Where is epi naturally found in body?
Adrenal gland, endocrine
Which anesthetic is not an amide?
Procaine (all amides have an "i" in prefix)
What is anesthetic suggested deposit rate?
1ml/min
Where mandibular nerve passes through in the skull
Foramen Ovale
Where nasopalatine nerve passes through
Incisive Foramen
Maxillary division of Trigeminal Nerve is
Sensory
Nerve NOT associated with the mandibular nerve branch
Infraorbital nerve
Teeth that PSA innervates
Exam A+ Pass 100% Solved
Questions And All Correct Answers
2025-2026 New Update VERIFIED
What part of the syringe indicates it is an aspirating syringe?
Harpoon
Antiseptic not to use
Alcohol
What is a poss cause of pain upon removal of the needle?
Needle barb
How a self aspirating syringe works
When let off pressure it aspirates
What causes a hematoma?
Injecting in the pterygoid plexus during a PSA injection
Needle gauge: which lumen is smallest?
Smaller number, larger the lumen
What sensation is lost first?
Pain
What function does sodium chloride provide in LA solutions?
Makes the solution isotonic
Local anes to avoid in patients with a sulfa allergy
Articaine
If a patient receives 3 1.7 ml cartridges of 3% mepivicaine, how much drug did
she receive?
, 3% equals
=(1.7 x 30) x 3
=51 mg x 3
The answer is 153 mg.
What type of injection is local anesthesia
Subcutaneous
If you were going to anesthetize the maxillary incisors where would you inject?
Papilla
Least preferable way to recap needle
2 hand method
Do myelinated nerves travel faster or slower than unmyeliated nerves?
Impulses travel faster than unmyelinated
What injection numbs lower lip?
IANB
What is the cause if patient has a lesion on the lower lip next day?
Bit lip
Why infiltration works better in maxilla than mandible?
Mandible more dense
Where is epi naturally found in body?
Adrenal gland, endocrine
Which anesthetic is not an amide?
Procaine (all amides have an "i" in prefix)
What is anesthetic suggested deposit rate?
1ml/min
Where mandibular nerve passes through in the skull
Foramen Ovale
Where nasopalatine nerve passes through
Incisive Foramen
Maxillary division of Trigeminal Nerve is
Sensory
Nerve NOT associated with the mandibular nerve branch
Infraorbital nerve
Teeth that PSA innervates
