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LA Assignment number 1

Instructor: Carolyn Christensen
Across
The lipid soluble group on an LA molecule:
Too deep or too __ will increase the chance of a hematoma with the PSA.
If a lower molar is not completely numb after an IA, it is likely accessory innervation from this nerve:
Prilocaine is metabolized in the liver, lungs and _____.
You do not want to use epi 1:50,000 on this area of the mouth due to the higher possibility of ischemia.
The charge in Mv of the nerve membrane during the resting state is negative ______.
If bone is contacted too early during an IA, the site probably needs to be ___.
One of the two acceptable LA agents to use during pregnancy.
Ester local anesthetics are metabolized in the ______
This group is added to the LA molecule to make it more water soluble..
Levonodefrin and epinephrine belong to this class of drug:
This acid is added to the LA cartridge and then a salt is formed.
Bupivacaine is the most ______ LA agent on the market, being about 4 times more so than lidocaine.
Prilocaine and articaine have a slightly higher chance of causing this, especially with the IA injection:
This hypersensitivity condition, when it is due to the sulfite agent or the sodium meta-bisulfate, warrants avoiding all local anesthetics that have a vasoconstrictor
This is the only LA agent on the market that is available in formulations with both epi 1:100,000 and epi 1:200,000:
HCL is added to the local anesthetic cartridge so it becomes more ________.
The buccal nerve runs over most anterior portion of this bony structure.
Reduce the MRD dose for debilitated, medically compromised and the ___________
This nerve innervates the lip and chin on one side.
If there is a bifid IA present, the clinician should give an additional injection in this location:
Down
This nerve innervates the mandibular anterior teeth:
How many mm long is a short needle?
This branch of the mandibular nerve includes the IA, lingual, and the auriculo-temporal nerves but does NOT include the buccal nerve:
The mandibular nerve exits the skull through this foramen:
If trizmus develops from an IA injection it will most likely be due to this [medial]muscle, which the needle can sometimes penetrate:
What is the maximum depth in mm for the PSA injection?
This LA agent can cause methemoglobinemia:
When the nerve's intracellular charge is about -50mV to -60mV, it is at this threshold:
This incorrect needle position can cause the IA or lingual nerves to be anesthetized when giving a PSA injection:
This binds to the receptors inside the membrane thereby preventing depolarization:
What LA agent has the slowest onset of action of all of the amides on the market?
What is the minimum number of mm that must be showing at the final deposition site for the PSA injection?
This LA agent causes the least amount of vasodilation of all amide local anesthetics:
These LA agents are sometimes broken down (hydrolyzed) into PABA, which can be allergenic.
This condition will cause the tissue pH to become acidic and the nerve will be harder to numb:
The standard deposition rate for palatal anesthesia is _____minutes per cartridge.
The presence of this particular element in the side chaine determines chemically if it is an amide or an ester:
HCL ________ the pH of the LA solution.
This is the only nerve that we anesthetize that comes from the anterior branch of V3:
Clinicians should do this with the needle against the pterygomandibular raphe to avoid hitting bone prematurely during an IA injection