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Anesthesia 2 > Test #4 > Flashcards

Test #4 Flashcards

1
Q

How much 2% lidocaine with or without vasoconstrictor can be administered to a child weighing 40 pounds?

  • 72 mg
  • 36 mg
  • 54 mg
  • 108 mg
A

72 mg

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2
Q

Using the answer in question one, how many cartridges of lidocaine can be administered?

  • 2 cartridges
  • 3 cartridges
  • 1 cartridge
  • 9 cartridges
A

2 cartridges*

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3
Q

What is the cause of facial nerve anesthesia when administering an IA nerve injection?

  • Insertion of needle ant to mand. ramus
  • Insertion of needle below agnel of mand plane
  • Insertion of the needle posterior to the mandibular ramus
  • insertion with barrel over post teeth
A

Insertion of the needle posterior to the mandibular ramus

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4
Q

If you have a 2% lidocaine with 1:100,000 epinephrine, how much LA is solution in one cartridge?

  • 36 mg
  • 18 mg
  • 54 mg
  • 72 mg
A

36 mg

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5
Q

What percentage of medical emergencies can be avoided with a thorough medical history?

  • 85%
  • 90%
  • 95%
  • 100%
A

95%

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6
Q

Your patient reports a history of methemoglobinemia, what LA is contraindicated?

  • Prilocaine
  • lidocaine
  • bupivicaine
  • mepivicaine
A

Prilocaine*

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7
Q

What is the maximum dose of epinephrine administered to a patient with a history of cardiovascular disease?

A

0.04 mg (or 40 mcg)

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8
Q

Which of the following are the causes of trismus?

  • Hemorrhage
  • Excessive local anesthetic volume
  • trauma to blood vessels
  • All of the above
A

All of the above

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9
Q

Common cause of LA overdose?

  • Rapid absorption
  • Slow biotransformation
  • Excessive LA volume
  • Too large a total dose
A

Too large of a total dose

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10
Q

If you had administered three cartridges of 2% lidocaine without vasoconstrictor to a healthy adult patient, how much 3% mepivacaine without vasoconstrictor can you administer?

A

3.5 cartridges

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11
Q

T/F - If a needle breaks during an injection of LA, continued attempts to remove it with a hemostat should be attempted even if the needle can not be located or observed

A

False

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12
Q

After administering a volume of LA and removing needle, you notice rapid swelling at area of injection. What is the most likely situation?

A

Presence of hematoma

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13
Q

What is the maximum dose of epi that can be administered to a healthy patient?

A

200 micrograms (0.2 mg)*

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14
Q

Which of the following is a potential cause of paresthesia?

  • Trauma to nerve from needle insertion
  • Storage of LA cartridge in a disinfected solution
  • Local anesthetic solution
  • All of the above
A

All of the above

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15
Q

If you have two cartridges of articaine with 1:200,000 epi, how much local anesthetic is in the solution?

A

144 mg

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16
Q

What is the longest acting LA?

A

Bupivacaine

17
Q

What is the maximum recommended dose of plain lidocaine?

A

4.4 mg per kilo

18
Q

How many cartridges of 2% lidocaine with or without vasoconstrictor can be given to a patient weighing 120 lbs?

A

6.5 cartridges*

19
Q

Which of the following is a common complication of the PSA injection?

  • Failure of anesthesia
  • Trismus
  • Hematoma
  • Facial nerve anesthesia
A

Hematoma

20
Q

What is the basic algorithm for medical emergencies?

A

P-A-B-C-D

21
Q

What is the maximum dose of bupivicaine?

A

90mg

22
Q

Which of the following is a sign of local anesthetic toxicity?

  • Restlessness
  • Hypotension
  • Drowsiness
  • All of the above
A

All of the above

23
Q

If you plan to administer 4% articaine with 1:100,000 epi to a patient weighing 150 lb and you have already administered 72 mg of 2% lidocaine with 1:100,000 epinephrine, how much articaine can be administered to the patient?

  • 212
  • 258
  • 301
  • 378 mg
A

378 mg

24
Q

Using the answer to #23 number, how many cartridges of articaine can be administered?

A

5.25 cartridges

25
Q

How long does it take to suffer irreversible damage from brain anoxia?

A

3 minutes

Anesthesia 2 (3 decks)

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