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Local Anesthetic Study HW #1

Instructor: Carolyn Christensen
Horizontales
These types of bundles innervate teeth/structures closest to the injection site (proximal structures).
The layers of myelin help to _______ the nerve.
Another action potential cannot occur during this period.
If the needle is not screwed in straight it can lead to this:
Flow rates of LA are computer controlled for increased patient comfort.
This layer of loose connective tissue surrounds all of the bundles of axons.
Color of needle cap relates to this.
To avoid this, re-inject before the LA completely wears off.
An extruded stopper with a large bubble in the cartridge means it was ________.
Term used for rapid impulse conduction.
A and C fibers transmit this.
This particular "superior alveolar nerve" gets the MB root of the first maxillary molar in 28-50% of people
This ion is mostly outside the axoplasm when at resting potential.
Small bubbles in a dental cartridge are from this:
Verticales
Needle gauge refers to the size of this:
Another name for axolemma.
Sodium can only enter the axoplasm when this is open.
A group of axons bundled together within a nerve
Local anesthetic can only enter the nerve at these nodes.
These cells produce myelin.
The clinician should wait for 3 seconds when doing this:
Blue needles do not come in this size
The bi-directional insertion technique reduces this.
The average length of this type of needle is 20 mm.
This ion is inside the axoplasm when at resting potential.
For the ASA injection, the needle must be parallel to the slope of this process:
The difference, in mV between the resting and firing threshold. How much does the voltage increase to fire?
The Jet Injector Syringe uses this type of pressure to deliver LA into tissues.