Local Anaesthetics

Question 0

MOA of local anaesthetics

Answer 0

block Na channels

hence prevent conductance of painful impulses

Question 1

define local anaesthetics

Answer 1

cause loss of sensation of a particular area

no loss of consciousness

Question 2

____________ can be used to decrease the absorption of injected local anaesthetic

Answer 2

adrenaline

Question 3

adrenaline used for decreasing absorption of local anaesthetics should be at ____________ dilution

Answer 3

1:1,00,000 to 1:50,000

Question 4

__________ can be used to increase the spread of injected local anaesthetics

Answer 4

hyal-uronidase

Question 5

__________ is the mother of local anaesthetics

Answer 5

cocaine

Question 6

cocaine is derieved from leaves of _______________

Answer 6

erythro-xylin coca

Question 7

name 5 main local anaesthetics (HCLTP)

Answer 7

hexyl-caine
cocaine
lido-caine
tetra-caine
pro-caine

Question 8

suffic CAINE is used for which category of drugs

Answer 8

local anaesthetics

Question 9

lidocaine as local anaesthetic

Answer 9

for epidural

also for cardiac arryh-thmia in dogs

Question 10

name the drugs used for topical anaesthetic in eye

Answer 10

tetra-caine

Question 11

name an anaesthetic used on skin which freezes the area

Answer 11

ethyl choride

Question 12

if local anaesthetics reach CNS , then what are their effect

Answer 12

CNS excitation