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Dental Anesthesia > Test 1- armementarium > Flashcards

Test 1- armementarium Flashcards

1
Q

How many types of syringes

A

8

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2
Q

ADA criteria for acceptance of syringes

A
  • durable, withstand sterilzation
  • accept wide variety of syringes and needles
  • inexpensive, self contained, lightweight, use with 1 hand
  • provide effective aspriation that can be seen
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3
Q

what does breech loading mean

A

loaded from the barrel of the syringe

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4
Q

what are the types of non disposable syringes

A
  • breech loading, metallic cartridge type, aspirating
  • ” ,plastic, “,”
  • ”,”,”,self aspirating
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5
Q

What are the 4 types of syringes

A
  • nondisposable
  • disposable
  • safety syringes
  • computer controlled
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6
Q

what is a jet injector

A
  • needle free

- high pressure, pushes through mucous membrane

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7
Q

What does the gauge refer to

A

the diameter of the lumen of the needle, the smaller the number the greater the diameter of the lumen

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8
Q

what are the components of a needles

A

-bevel, shaft, hub, syringe adaptor, cartridge penetration end

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9
Q

What percent of aspirations were achieved with:
25 gaugue
27 gauge
30 gauge

A
  • 100%
  • 87%
  • 2%
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10
Q

what are the advantages of larger gauge needles over smaller gauge

A
  • less deflection
  • greater acuracy of injection
  • less chance of breakage
  • easier aspiration
  • no difference in pt comfort
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11
Q

what is the length of needles from tip to hub

A 
25 gauge long- 35 mm
27 gauge long- 36mm
27 gauge short- 26 mm
28 gauge long- 31 mm
28 gauge short- 22 mm
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12
Q

what are the approximate lengths of long and short needles

A
  • long 32 mm

- short- 20 mm

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13
Q

how often should needles be changed

A

after 3 or 4 tissue penetrations

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14
Q

what will weaken the needles and increase likeihood of breakage

A

bending the needles

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15
Q

if the direction of the needle should be changed when should you do this

A

it should first be withdrawn almost completely then direction altered

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16
Q

what are the components of a prefilled 1.8 cartridge

A

cylindrical glass tube, stopper, aluminum cap, diaphragm

17
Q

what allows the stopper to slide in the glass tube

A

the stopper being lubricated with silicone

18
Q

what color is associated with articaine HCl 4% with epi 1:100,000

A

gold

19
Q

what color is associated with bupivicaine HCl .5% with epi 1:200,000

A

blue

20
Q

what color is assoicated with lidocaine HCl 2%

A

light blue

21
Q

what color is associated with lidocaine HCl 2% with epi 1:50,000

A

Green

22
Q

what color is associated with lidocaine HCl 2% with epi 1:100,000

A

red

23
Q

what color is associated with Mepivicaine HCl 3%

A

tan

24
Q

what color is associate with Mepvicaine HCl 2% with levonordefrin 1:20.000

A

Brown

25
Q

what color is associated with Prilocaine HCl 4%

A

Black

26
Q

What color is associated with Prilocaine HCl 4% with 1:200,000 epi

A

Yellow

27
Q

what is the plastic label on all cartriges for

A

protect patient from cracking glass, indications about drugs

28
Q

what is a vasopressor drug

A

its included in most cartriges to enhance safety and the duration and depth of action of the local anesthetic

29
Q

what is the pH of dental cartriges containing vasopressors

A

-lower (more acidic) than non vasopressor containing cartridges

30
Q

what do cartridges containing vasopressors also usually include

A

antioxidant, usually sodium bisulfite

31
Q

what is added to a cartridge to make it isotonic with tissues of the body

A

sodium chloride

32
Q

what provides volume to a cartridge

A

distilled water

33
Q

What are problems that can arise with cartriges

A
  • bubble in cartridge
  • extruded stopper
  • burning on injection
  • sticky stopper
  • corroded cap
  • rust on the cap
  • leakage during injection
  • broken cartridge
34
Q

can solutions diffuse through the diaphragm

A

yes

35
Q

what can burning on injection result from

A
  • normal response to the pH of the drug
  • cartridge containing sterilization solution
  • overheated cartridge
  • cartridge containing vasopressor
36
Q

why do you get leakage

A

cartridge and needles are prepared improperly

37
Q

what is the most common cause of cartridge breakage

A

use of cartridge that has been cracked or chipped during shipping

Dental Anesthesia (8 decks)

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