local anesthetics

alikeil1
Quiz by , created over 5 years ago

Anesthesiology final

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alikeil1
Created by alikeil1 over 5 years ago
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Question 1

Question
Which one of the following local anesthetic agents is NOT an amide?
Answer
  • lidocaine
  • prilocaine
  • mepivicane
  • bupivicane
  • procaine

Question 2

Question
Which of the following are properly matched?
Answer
  • lidocaine: fast onset, moderate duration (1-2hrs)
  • lidocaine-less tissue rxn
  • mepivicaine fast onset, moderate duration (1-2hrs)
  • mepivicaine-often used in equine lameness
  • bupivicaine- slow onset, longer duration (3-4 hrs)
  • mepivicaine-our #1 local anesthetic

Question 3

Question
Local anesthetics block sodium channels in the following conformation(s):
Answer
  • activated-open
  • inactivated-closed
  • resting-closed
  • all of the above

Question 4

Question
Local anesthetics block nerve types in the following order: autonomic--> muscle tone--> pain--> touch, pressure--> proprioception/motor.
Answer
  • True
  • False

Question 5

Question
With regards to pharmacokinetics of local anesthetics and drug-tissue interaction: more potent, more lipid soluble, lower blood concentration.
Answer
  • True
  • False

Question 6

Question
Which are true regarding ester locals?
Answer
  • rapidly metabolized by liver cytochrome P450
  • cause allergic rxn because of formation of PABA intermediate
  • 1st pass pulmonary uptake

Question 7

Question
What local anesthetic agent can cause methemoglobinemia in cats?
Answer
  • procaine
  • lidocaine
  • bupivicaine
  • prilocaine

Question 8

Question
What local anesthetic drug can cause neurotoxicity?
Answer
  • prilocaine
  • bupivicaine
  • mepivicaine
  • cocaine
  • lidocaine

Question 9

Question
Bupivicaine can cause malignant arrhythmias.
Answer
  • True
  • False

Question 10

Question
Cetocaine spray is not recommended in cats bc it can cause the following problem:
Answer
  • seizures
  • cardiotoxicity
  • neurotoxicity
  • methemoglobinemia