Home
Flashcards
Preview
local anes
Home
Get App
Take Quiz
Create
what is the loss of sensation in a circumscribed area in the body called?
local anesthesia
t/f with local anes, the loss of sensation is done without loss of consciousness
True
False
true
local anes causes the _______ of the _____ endings or inhibition of the _____ _____.
depression
nerve
conduction process
what are the ten desirable properties of LA?
not irritate tissue
not cause permanent anes
low systemic toxicity
effectiveness
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
True
False
true
to increase the efficacy of topical anes, it is more ______ (benzocaine ___%)
concentrated
20%
what is the period from deposition of the anesthetic solution to complete conduction blockade called?
induction time
what two things will change induction time?
local anes concentration
pH
when the procedure outlasts the anesthetic, what should be done?
reinjection
what is INCREASING TOLERANCE of a drug that is administered repeatedly called?
tachyphylaxis
longer anes such as bupivicaine are more _____ _____ to the nerve ________ than are shorting acting like lidocaine
firmly bound
membrane
once anes is removed from the nerve, the function of the nerve returns _____ but then gradually _____
rapidly
slows
anesthetic duration is increased in areas of ______ ______
decreased vascularity
Author
jackiedh
ID
96834
Card Set
local anes
Description
ch 3 local anes
Updated
2011-08-12T03:31:04Z
Show Answers
Home
Flashcards
Preview