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Anesthesia 2 > Test #3 > Flashcards

Test #3 Flashcards

1
Q

Factors for selecting a LA for administration?

  • Physical status of patient
  • Past medical history
  • Length of procedure
  • All of the above
A

All of the above

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2
Q

When delivering a right inferior alveolar injection, what two teeth are the barrel of the syringe over?

A

20 and 21* (Contralateral premolars)

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3
Q

When administering a PSA 25 gauge needle, what is correct depth of penetration?

A

16 mm

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4
Q

Which of the following injections has the highest degree of failure?

A

Inferior Alveolar

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5
Q

T/F - The most rigid part of the needle is the hub and if a needle is to break it will break at its hub making insertion to the hub for an injection an acceptable practice.

A

False

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6
Q

What is the correct location for administration of the PSA injection?

A

Posterior to the malar process over the maxillary second molar** (PSA – malar process – zygoma comes into maxilla – the “speed bump”. PSA goes posterior to malar process over the maxillary second molar)

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7
Q

What is the correct position of thumb of non-injecting hand when administering an IA NB?

A

Coronoid Notch

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8
Q

When administering IA injection, what is the correct depth of penetration?

A

20-25 mm* (hence why we use a long needle - 32 mm)

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9
Q

Anticipating correct administration of long buccal nerve injection, what area will be anesthetized?

A

Soft tissues and periosteum buccal to the mand. molar teeth*

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10
Q

Which of the following is a reason for local anesthetic failure?

  • Improper technique
  • Presence of infection
  • Anatomical infection
  • All of the above
A

All of the above

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11
Q

When administering an IA injection, what is the correct amount to administer to anesthetize the IA nerve?

A

1.5 mL

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12
Q

How is the size of the needle lumen determined?

  • Length (longer the needle, the larger the lumen)
  • Gauge (longer the gauge, the larger the lumen)
  • Length (shorter the needle, the larger the lumen)
  • Gauge (shorter the gauge, the larger the lumen)
A

Gauge (shorter the gauge, the larger the lumen)(25 gauge > 30 gauge)

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13
Q

What is the correct distance above mandibular occlusal plane for the IA nerve block?

  • 0.5 cm
  • 1.0 cm
  • 1.5 cm
  • 2.0 cm
A

1.5 cm

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14
Q

What is the volume of a local anesthetic cartridge ?

A

2cc or 2 mL

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15
Q

What is the length of a long needle?

A

32mm

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16
Q

What is the most common needle to break?

A

30 gauge

17
Q

What is the color code for 2% lidocaine with 1:100,000 epi?

A

Red

18
Q

Which of the following is not a contraindication to vasoconstrictors?

  • Recent MI
  • Pheochromocytoma
  • Stable angina
  • None of the above
  • All of above
A

Stable Angine (but not unstable)

19
Q

What is the recommended rate of deposition of LA solution?

  • 1.4 ml per minute
  • 1.8 ml/min
  • 2.2 ml/min
  • NA
  • Rate of administration is immaterial
A

1.8 mL/min

20
Q

T/F - If there is going to be a complication following LA administration, it will usually occur within 5 to 10 minutes of an injection, making making continuous observation important.

A

True

21
Q

Which is disadvantage of infiltration of LA versus block technique

  • Requires multiple needle insertions
  • Requires greater volume of LA solution
  • More difficult to administer local teeth due to anatomy
  • All of the above
A

All of the above

22
Q

Which of the following is the appropriate needle when administering anesthesia for most anesthesia techniques?

A

25 gauge* (Exception is 27 gauge for palatal or PDL)

23
Q

With failure to anesthetize MB root of first molar following the administration of aPSA nerve block, which injection should be administered?

  • AMSA
  • ASA
  • Nasopalatine
  • Greater palatine
A

ASA* (Infraorbital has a branch that will catch the MB root)

24
Q

Nerves is the most likely to be anesthetized following administration of division 2 NB

A

Cranial nerve VI* – Abducens

25
Q

When inserting needle for Vazirani-Akinosi nerve block, the bevel should be facing?

A

Towards midline

Anesthesia 2 (3 decks)

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