Local Anesthetics

Question 0

Longest halflife (4.2 hours)

Answer 0

Ropivacaine

Question 1

Has a shortest halflife(1-2 mins)

Answer 1

Procaine

Question 2

T/F. Most local Anesthetics are strong acids that they undergo dissociation

Answer 2

False. Weak bases

Question 3

All local anesthetics are vasodilators except for this.

Answer 3

Cocaine

Question 4

Mode of action of local anesthetics?

Answer 4

Blockade of Na channels slows, preventing axon potential propagation

Question 5

Used as a local and topical anesthesia that can cause antibody formation and skin irritation

Answer 5

Benzocaine

Question 6

Has a highest allergic potential local anesthetics?

Answer 6

Tetracaine

Question 7

Can be used as a topical ophthaic anesthesia

Answer 7

Tetracaine

Question 8

Used in post MI and for digitalis toxicity. Can be an antiarrythmic as well..

Answer 8

Lidocaine

Question 9

What is the toxic dose of lidocaine?

Answer 9

5 mg/kg

Question 10

Used as dental anesthesia

Answer 10

Prilocaine

Question 11

Used in epidural and intrathecal anesthesia. should be used cautiously in pregnant woman

Answer 11

Bupivacaine