Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Dental Anesthesia > Test 2- Mod 6- Nitrous > Flashcards

Test 2- Mod 6- Nitrous Flashcards

1
Q

what had been the greatest medical advance before n20

A

sutures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is the combination of of nitrous and local anesthesia

A

relative anaglesia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What abilities does nitrous have

A

sedative and antianxiety

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is analgesia

A

relief of pain without loss of conciousness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is anesthesia

A

loss of pain to permit surgery, with or without loss of conciousness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is concious sedation

A

control of airway

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

who posed as a physican and did shows with nitrous

A

samuel colt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

who was the first dentist to use nitrous for a tooth extraction

A

horace wells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

did most patients recover from nitrous use

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what 2 things were discovered after nitrous

A

ether-general surger

choloroform- general surgery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

who was the first to mix nitrous as oxygen

A

edmund andrews

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what percent of dentists use nitrous today?

A

56 general dentists

85 oral surgeons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are physical properties of nitrous

A
  • colorless
  • heavier than air
  • no predictable odor or taste
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

how is nitrous marketed

A

liquid nitrous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

when does nitrous turn from the liquid to the gaseous state

A

when it is released, the changen absorbs heat and the cylinder will feel cold

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

nitrous is a _____drug

A

insoluble

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what does N20 replaces what in the blood

A

N2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

when are the peak clinical effects seen

A

within 3 -5 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Nitrous is not metabolized____

A

in the liver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

where is 99% of nitrous eliminated

A

the lungs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

where is the remaining 1% of nitrous metabolized

A

in the GI tract and skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

what does N20 change

A

the patients perception of pain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

what percent of mixure of N20 and 02 produces analgesic effects if 10 -15 mg of morphine

A

20-80% mixture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what effect does n20 have on the central nervous system

A

general depressant effect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

what may happen in the mechanisms of action of n20

A

stabilize axon membranes, act on opiate receptors

26
Q

what is the mechanism of action of n20

A

unknown

27
Q

what are indications for nitrous in dentistry

A

anxiety, painful perception of tx, increased pharyngeal reflex activity,long appts

28
Q

what is the greatest benefit in dentistry of nitrous

A

minimizes patients aprehension and fear

29
Q

what are contraindications for n20

A

compulsive personality- not like feeling of losing conrol
claustrophobic patient
children w/severe behavior problems
debilitating cardiac or cerebrovascular disease
COPD
personality disorders

30
Q

What is the stimulus in COPD

A

lowered blood 02

31
Q

can HIV patients have N20

A

ask questions, alot have compromised cardiovascular problems that contraindicate

32
Q

can pregant patients have n20

A

not in first trimester

33
Q

can patients with nasal obstructions like cold, upper respiratory infecftions, deviated nasal septums have n20

A

not recommended

34
Q

nitrous can enhance drugs that are used to induce sleep t/f

A

true

35
Q

should patients who appear to be under the influence be administered

A

no

36
Q

what is the titration

A

the method of administration where nitrous is introduced in incremental doses until pt has reached a comfortable state

37
Q

what is the significance of titration*

A
  • provides amt of drug necessary
  • minimizes side effects
  • allows for variability in each individual
38
Q

can you ever leave a patient alone

A

no

39
Q

its is below the standard of care to not have

A

scavenger nasal hood

40
Q

what is the number one cause of nitrous contamination in the office

A

patient talking

41
Q

wha tcolor is oxygen

A

green

42
Q

what color is nitrous

A

blue

43
Q

what is the minimum oxygen liter flow

A

3L/min

44
Q

what will turn off when the oxygen is depleted

A

nitrous

45
Q

what does the oxygen flush button do

A

allows 100% oxygen to be delivered

46
Q

how full should you fill the resivoir bag

A

3/4 full

47
Q

what are the 3 purposes of the resivoir bag

A

provide additional gas, monitor pts respiration, funcion in emergency

48
Q

what level of nitrous are we not allowed to exceed

A

3L/min

49
Q

what are characteristics of comfortable sedation

A

pt is at ease, comfortable and ready to proceed

50
Q

what are characteristics of inappropriate sedation

A

slurred speech, incoherent, nausea or inablility to verbally respond

51
Q

what are additonal signs of sedation

A
  • glazed or twinkling look
  • tingling
  • heaviness
  • agitated or physically uncomforable
52
Q

waht are signs of oversedation

A 
-uncontrolled laughing
detachment
warmnes
drowsy
agitated or physically uncomfortable
53
Q

how many liters per minute do you introduce when you are titrating

A

1 l

54
Q

what do you set the oxygen at, at the beginning of the procedure

A

5L

55
Q

what do you need to periodically check durin the administration

A

the bag

56
Q

how do you terminate sedation

A

turn nitrous flow off

57
Q

how long do you deliver oxygen at the termination of nitrous

A

5 min

58
Q

what is diffusion hypoxia

A

low oxygen levels to the tissues, when patientsj dont breath enough oxygen

59
Q

what are symptoms of diffusion hypoxia

A

headache
nausea
lethargic
hangover

60
Q

when are you able to use nitrous without LA

A 
-emergency exam
removal of temp crowns and bridges
occ adj.
matrix bands and wedges
inital perio exam
apprehensive pt

Dental Anesthesia (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions