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Airways Midterm > AIRWAYS midterm > Flashcards

AIRWAYS midterm Flashcards

1
Q

% of normal mouth opening due to initial opening action

A

50

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2
Q

% of normal mouth opening due to last opening

A

50

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3
Q

actions of effort closure

A

valsalva

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4
Q

airway mgmt of edentulous

A

oral airway, pull skin to mask

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5
Q

anatomic location of nasal airway

A

tip through vestibule, direct it 90 degrees to long axis

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6
Q

angles of mainstem bronchi

A

R=20 / L=40

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7
Q

articulation of C2

A

dens to C1

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8
Q

atlanto-occipital gap normal value

A

35 degrees

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9
Q

calculation, time constant, pre-ox

A

3 time constants = 95% change. This is the typical end-point used in medicine. Time constant = volume (FRC)/ flow (VA = (tidal volume _ dead space) x respiratory rate).

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10
Q

cervical level of cricoid cartilage

A

C6

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11
Q

compoinets of the nasal septum

A

perpendicular plate of ethmoid, vomer, septal cartilage

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12
Q

cranial nerve- sensory innervation of face

A

trigeminal

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13
Q

cuneiform cartilages function

A

open glottis, spring-like action

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14
Q

definition of micrognathia

A

small mandible

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15
Q

definition of overjet

A

increased horizontal distance bt max and mand central incisors

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16
Q

desat, FRC, weight

A

VO2 = kg^0.75; minutes to hypoxia = FRC/VO2; so the more a patient weighs the less time they have before they start to desaturate.

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17
Q

describe thyrohyoid membrane

A

Thyroid cartilage is attached to hyoid bone by thyrohyoid membrane

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18
Q

digits applying pressure to mask during bag/mask

A

thumb, index

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19
Q

DL, axial alignment

A

sheets=laryngeal, sniffing=pharyngeal, DL=oral

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20
Q

ETT connector

A

15mm OD tapered

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21
Q

ETT taping

A

zygomatic

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22
Q

Eustachian tube

A

connects nasal cavity to middle ear, maintain pressure in ear

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23
Q

facets for atlanta-occipital engagement

A

connect TO occipital bone

24
Q

four functions of larynx

A

phonation, conduction, protection, effort closure

25
Q

function of the inferior pharyngeal constrictor

A

lower segment remains closed except for bolus passage

26
Q

functions of the nasal sinuses

A

humidifying and warming inspired air

27
Q

general functions of the human airway

A

protection, conduction, air conditioning

28
Q

largest facial bone

A

mandible

29
Q

larynx closure during deglugition

A

pharyngeal

30
Q

larynx, axial alignment

A

sheets

31
Q

location of zenker’s diverticulum

A

90% left side

32
Q

lubricant for stylet

A

eye?

33
Q

lung capacity involved in denitrogenation

A

FRC

34
Q

mandible anatomy

A

ramus

35
Q

mechanical alteraion of food during deglugition

A

oral phase

36
Q

mgmt of incorrectly inserted OG tube

A

give continuous positive pressure and hold

37
Q

molecular weight of 02

A

32 daltons

38
Q

nasal attachments of conchae

A

the lateral walls of nasal cavity, upper 2 from ethmoid, bottom is separate structure

39
Q

nasopharynx occlusion during deglugition

A

pharyngeal

40
Q

peristalsis of food bolus during deglgition

A

pharyngeal/esophogeal

41
Q

preoxygenation physiology

A

calculate FRC (30-35 ml/kg)

42
Q

RUL bronchus occlusion by ETT

A

RUL 2cm, 20 degree angle

43
Q

suspension and stabilization of the larynx

A

hyoid bone

44
Q

TMJ compartments for initial and late mouth opening

A

inferior=rotation=early mouth opening, superior=gliding=late mouth opening

45
Q

TMJ, two joints of action

A

gliding and rotation, 50/50

46
Q

tooth numbers by name

A

start upper right 3rd molar (molar, molar, molar, bicuspid, bicuspid, cuspid, lateral incisor, central incisor)

47
Q

trachea sensory innervation

A

vagus

48
Q

true joints in the larynx

A

cricoarytenoid

49
Q

volume of ETT (pi r^2 h)

A

3mm radius, 200mm height

50
Q

superior facets of atlas articulate with what?

A

occipital condyles

51
Q

level of hyoid bone

A

C3

52
Q

vocal cords where during end-expiration?

A

paramedian

53
Q

where are vocal cords when patient breathes quietly?

A

intermediate

54
Q

where are vocal cords during maximum inspiration?

A

lateral

55
Q

3 types of hyaline cartilage in larynx

A

cricoid, artyenoid, thyroid

56
Q

elastic cartilage in larynx

A

epiglottic, corniculate, cuneiform

57
Q

2 main joints of larynx

A

cricoarytenoid, cricothyroid

Airways Midterm (1 decks)

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