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what is the loss of sensation in a circumscribed area in the body called?
t/f with local anes, the loss of sensation is done without loss of consciousness
local anes causes the _______ of the _____ endings or inhibition of the _____ _____.
- conduction process
what are the ten desirable properties of LA?
- not irritate tissue
- not cause permanent anes
- low systemic toxicity
- short onset
- adequate duration for procedure
- sufficient potency
- low allergy
- stable in a solution
- sterile or capable of becoming so
how does a local anes work?
it prevents the impulse of pain from reaching the brain
what two places does topical anes work?
- NON-INTACT skin
- MUCOUS membranes
t/f diffusion of topical anes to free nerve endings is limited
to increase the efficacy of topical anes, it is more ______ (benzocaine ___%)
what is the period from deposition of the anesthetic solution to complete conduction blockade called?
what two things will change induction time?
- local anes concentration
when the procedure outlasts the anesthetic, what should be done?
what is INCREASING TOLERANCE of a drug that is administered repeatedly called?
longer anes such as bupivicaine are more _____ _____ to the nerve ________ than are shorting acting like lidocaine
once anes is removed from the nerve, the function of the nerve returns _____ but then gradually _____
anesthetic duration is increased in areas of ______ ______
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