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Anesthesiology final

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local anesthetics

Question 1 of 10

1

Which one of the following local anesthetic agents is NOT an amide?

Select one of the following:

  • lidocaine

  • prilocaine

  • mepivicane

  • bupivicane

  • procaine

Explanation

Question 2 of 10

1

Which of the following are properly matched?

Select one or more of the following:

  • 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

Explanation

Question 3 of 10

1

Local anesthetics block sodium channels in the following conformation(s):

Select one of the following:

  • activated-open

  • inactivated-closed

  • resting-closed

  • all of the above

Explanation

Question 4 of 10

1

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

Select one of the following:

  • True
  • False

Explanation

Question 5 of 10

1

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

Select one of the following:

  • True
  • False

Explanation

Question 6 of 10

1

Which are true regarding ester locals?

Select one or more of the following:

  • rapidly metabolized by liver cytochrome P450

  • cause allergic rxn because of formation of PABA intermediate

  • 1st pass pulmonary uptake

Explanation

Question 7 of 10

1

What local anesthetic agent can cause methemoglobinemia in cats?

Select one of the following:

  • procaine

  • lidocaine

  • bupivicaine

  • prilocaine

Explanation

Question 8 of 10

1

What local anesthetic drug can cause neurotoxicity?

Select one of the following:

  • prilocaine

  • bupivicaine

  • mepivicaine

  • cocaine

  • lidocaine

Explanation

Question 9 of 10

1

Bupivicaine can cause malignant arrhythmias.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 10

1

Cetocaine spray is not recommended in cats bc it can cause the following problem:

Select one of the following:

  • seizures

  • cardiotoxicity

  • neurotoxicity

  • methemoglobinemia

Explanation

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