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LA > Quiz 4 > Flashcards

Quiz 4 Flashcards

1
Q
  1. The right MSA nerve is an afferent nerve for which of the following?

a. The buccal periosteum overlying #4
b. The buccal periosteum overlying #5
c. The buccal gingiva overlying the MB root of #2 only
d. All of the above are correct
e. Both a and b are correct, but not c

A

1e. Both a and b are correct, but not c

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2
Q
  1. The supraperiosteal injection, are more commonly called _____________.

a. MSA
b. PSA
c. ASA
d. local infiltrations

A

d. local infiltrations

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3
Q
  1. What type of needle length is recommended when performing a supraperiosteal injection?

a. 25-gauge long
b. 25-gauge short
c. 27-gauge short
d. 30-gauge short

A

3c. 27-gauge short

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4
Q
  1. How much local anesthetic solution is dispensed when giving a supraperiosteal injection?

a. 0.6 ml (one third of a cartridge)
b. 0.9 ml to 1.8 ml (the whole cartridge)
c. 0.9 ml to 1.2 ml (one half to two thirds cartridge)
d. 1.8 ml (the whole cartidge)

A

4a. 0.6 ml (one third of a cartridge)

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5
Q
  1. With regards to an injection, what does the term MSA stand for?

a. Middle Side Anterior
b. Middle Superior Alveolar
c. More Superior Anterior
d. Move Superior Anterior

A

b. Middle Superior Alveolar

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6
Q
  1. What type of needle length is recommended when performing an MSA injection?

a. 25-gauge long
b. 25-gauge short
c. 27- gauge short
d. 30-gauge short

A

c. 27- gauge short

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7
Q
  1. How much local anesthetic solution is dispensed when giving an MSA injection?

a. 0.6 ml (one third of a cartridge)
b. 0.9 ml to 1.8 ml (the whole cartridge)
c. 0.9 ml to 1.2 ml (one half to two thirds cartridge)
d. 1.8 ml (the whole cartridge)

A

c. 0.9 ml to 1.2 ml (one half to two thirds cartridge)

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8
Q
  1. The target area when giving an MSA injection is
  2. above the maxillary lateral incisor.
  3. above the maxillary second premolar.
  4. above the existing premolar on the maxilla.
  5. above the maxillary first molar.

a. 1 only
b. 2 & 4 only
c. 1 & 2 only
d. 2 & 3 only
e. 4 only

A

d. 2 & 3 only
(above the maxillary second premolar &
above the existing premolar on the maxilla)

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9
Q
  1. Although it is rare, what is the one complication that can occur when giving an MSA injection?

a. Hematoma
b. Trismas
c. Parathesia
d. Lock Jaw

A

a. Hematoma

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10
Q
  1. The needle size to administer the IA block should be:

a. 27-gauge short
b. 27-gauge long
c. 30-gauge short
d. 30-gauge long

A

b. 27-gauge long

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11
Q
  1. When doing an IA injection, how much of the needle should be buried prior to deposition?

a. 1/4th to 1/2 (10-15 mm)
b. 2/3rds to 3/4ths (20-25 mm)
c. Hub the needle (nothing should be showing)
d. None of the above

A

b. 2/3rds to 3/4ths (20-25 mm)

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12
Q
  1. You have just administered a left IA nerve block, which teeth will be numb? (Indicate by using tooth numbers)

a. 22-27
b. 20-24
c. 17-24
d. 32-25

A

c. 17-24

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13
Q
  1. Where is the penetration site for the ASA field block?

a. At the height of the mucobuccal fold in the mandibular anterior region
b. At the height of the mucobuccal fold above #8
c. At the height of the mucobuccal fold above the canine
d. At the height of the mucobuccal fold in the canine fossa (mesial to the canine)

A

d. At the height of the mucobuccal fold in the canine fossa (mesial to the canine)

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14
Q
  1. What is the intraoral fibrous structure that turns up toward the maxilla and will help you approximate the posterior border of the mandibular ramus and determine the appropriate height for needle penetration during the IA block?

a. Pterygomandibular raphe
b. Intra oral ligament
c. Buccinator
d. Pterygomandibular ligament

A

a. Pterygomandibular raphe

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15
Q
  1. How much anesthetic solution should be deposited during an IA injection?

a. 0.9-1.2 ml (1/2 carpule)
b. 1.3-1.5 ml (2/3 carpule)
c. one stopper full
d. 1.8 ml (1 full carpule)

A

b. 1.3-1.5 ml (2/3 carpule)

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16
Q
  1. The needle to administer the Long Buccal Nerve block should be:
    a. 25 gauge short
    b. 25 gauge long
    c. 27 gauge short
    d. 27 gauge long
A

c. 27 gauge short

17
Q
  1. Where is the area of insertion for the Long Buccal Nerve Block?

a. Mucous membrane distal and buccal to the most distal molar in the arch.
b. Mucous membrane mesial and buccal to the most distal molar in the arch.
c. Mucous membrane distal and lingual to the most distal molar in the arch.
d. Mucous membrane mesial and lingual to the most distal molar in the arch.

A

a. Mucous membrane distal and buccal to the most distal molar in the arch.

18
Q
  1. How much anesthetic solution should be deposited for the Long Buccal Nerve Block?

a. 0.9-1.2 ml (approximately half of a cartridge)
b. one stopper full
c. 0.3 ml (approximately one eighth of a cartridge)
d. 1.8 ml (the entire cartidge)

A

c. 0.3 ml (approximately one eighth of a cartridge)

19
Q
  1. What teeth are anesthetized from the Left GP injection?

a. 16, 15, 14, 13, 12
b. 16, 15, 14
c. 13, 12
d. no teeth are anesthetized only soft tissue and palate

A

d. no teeth are anesthetized only soft tissue and palate

20
Q
  1. When administering a NP injection, where is your penetration site?

a. Straight up form second molar on the palate
b. Between the teeth #28 & 29
c. Next to the incisive papilla
d. Next to the rugae

A

c. Next to the incisive papilla

21
Q
  1. What is the penetration site for the PSA injection?

a. just distal to the 2nd molar at the height of the mucobuccal fold
b. above the distal buccal root of the maxillary 2nd molar at the height of the mucobuccal fold
c. above the distal buccal root of the last molar existing in the patient’s mouth

A

b. above the distal buccal root of the maxillary 2nd molar at the height of the mucobuccal fold

22
Q
  1. The amount of anesthetic to be deposited for the PSA injection is:

a. 0.6 to 0.9 ml
b. 0.2 to 0.3 ml
c. 0.9 to 1.8 ml
d. .45 to 0.6 ml

A

c. 0.9 to 1.8 ml

23
Q
  1. Just prior to anesthetic deposition during the PSA, you should contact periosteum?

a. True
b. False

A

b. False

24
Q
  1. What teeth are anesthetized from the Right PSA injection?

a. 16, 15, 14 except the mesial buccal root of 14
b. 12, 13, 14 except the mesial buccal root of 14
c. 1, 2, 3 except the mesial buccal root of 3
d. 3, 4, 5 except the mesial buccal root of 3

A

c. 1, 2, 3 except the mesial buccal root of 3

25
Q
  1. During deposition of the PSA injection, approximately how much of the needle (in mm’s) should be visible?

a. 6 mm
b. 5 mm
c. 4 mm
d. 3 mm

A

c. 4 mm

(shaft on short needle is 20mm;
penetration depth is 16mm)

26
Q
  1. What anatomical structure could interfere with the PSA injection?

a. masseter
b. buccinator
c. pterygoid plexus
d. coronoid process

A

c. pterygoid plexus

27
Q
  1. True or False: a 27 gauge long needle is recommended for the left mental injection.

a. True
b. False

A

b. False

28
Q
  1. The area of deposition for the mental injection is:
    a. mucobuccal fold at or just anterior to the mandibular canine
    b. mucobuccal fold at or just posterior to the mandibular canine
    c. mucobuccal fold at or just anterior to the mental foramen
    d. mucobuccal fold at or just posterior to the mental foramen
A

c. mucobuccal fold at or just anterior to the mental foramen

29
Q
  1. Once at your deposition site for the mental injection how much anesthetic is deposited?

a. 0.9-1.2 ml
b. 0.6 ml
c. stopper full
d. 1.8 ml

A

b. 0.6 ml

30
Q
  1. When given a left mental/incisive what teeth will be anesthetized?

a. 1st, 2nd, & 3rd molar
b. central incisors only
c. 1st & 2nd premolars only
d. 2nd premolar to the central incisor

A

d. 2nd premolar to the central incisor

31
Q
  1. What type of needle length is recommended when performing an MSA injection?

a. 27-gauge long
b. 27-gauge short
c. 30-gauge long
d. 30-gauge short

A

b. 27-gauge short

32
Q
  1. How much local anesthetic solution is dispensed when giving an MSA injection?

a. 0.6 ml (one third of a cartridge)
b. 0.9 ml to 1.8 ml (the whole cartridge)
c. 0.9 to 1.2 ml (one half to two thirds cartridge)
d. 1.8 ml (the whole cartridge)

A

c. 0.9 to 1.2 ml (one half to two thirds cartridge)

33
Q
  1. A left PSA nerve block will not anesthetize which of the following?

a. The buccal mucosa in the area of #16
b. The buccal periosteum overlying #15
c. The pulpal tissue of #16
d. The lingual periosteum overlying #15
e. The buccal gingiva overlying the DB root of #14

A

d. The lingual periosteum overlying #15

34
Q
  1. When performing the PSA nerve block the operator inadvertently inserts a needle too far posterior. What are the possible consequences of this action?
    a. The needle may penetrate the pterygoid plexus of veins thereby causing a hematoma.
    b. The needle may penetrate the parotid capsule thereby causing facial paralysis.
    c. Both a and b are possible consequences of this action.
    d. Neither a nor b are possible consequences of this action
A

ACCORDING TO BOTH TEXTBOOKS, FACIAL PARALYSIS IS A COMPLICATION OF INFERIOR ALVEOLAR NERVE BLOCK NOT OF THE PSA

BUT SUPPOSEDLY, THIS IS THE CORRECT ANSWER:
c. Both a and b are possible consequences of this action.

35
Q
  1. What is the penetration site for the right IO?

a. In the depth of the mucobuccal fold directly between the roots of #6 and #7.
b. At the depth of the mucobuccal fold directly over the root eminence of #6.
c. At the depth of the mucobuccal fold directly over the root eminence of #7
d. At the depth of the mucobuccal fold directly over the first premolar.

A

d. At the depth of the mucobuccal fold directly over the first premolar.

36
Q
  1. The amount of anesthetic to be deposited for the IO injection is:

a. 0.6 to 0.9 ml
b. 0.9 to 1.2 ml
c. .45 ml
d. 1.6 to 1.8 ml

A

b. 0.9 to 1.2 ml

37
Q
  1. Upon successful administration of an IO block, 72% of patients will be anesthetized:

a. from the maxillary central incisor through the canine on the injected side
b. from the maxillary canine to canine
c. from the maxillary central incisor to the distal of the second premolar
d. none of the above are correct

A

c. from the maxillary central incisor to the distal of the second premolar

38
Q
  1. The approximate depth, of a short needle penetration, for the IO will be _________ mm for an adult of average height.

a. 10 mm
b. 12 mm
c. 16 mm
d. 20 mm

A

c. 16 mm

39
Q
  1. What is your target area (just prior to depositing anesthetic for the IO block?

a. height of the mucobuccal fold
b. the upper rim of the infraorbital foramen
c. the infraorbital foramen below the infraorbital rim
d. all of the above

A

c. the infraorbital foramen below the infraorbital rim

LA (23 decks)

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