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Anatomy: head and neck > Larynx > Flashcards

Larynx Flashcards

exam 2

1
Q

valsalva maneuver

A

allows increase in abdominal pressure by regulating the amount of air to and from lungs

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2
Q

The larynx is the portion of the respiratory tract containing the

A

vocal cords

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3
Q

upper boundary of the larynx starts at the __________ and lower end is at the lower border of the _____

A

tip of the epiglottis and cricoid cartilage

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4
Q

the larynx opens into the laryngeal part of the ______ above and is continuous with the _________ below

A

the larynx opens into the laryngeal part of the pharynx above and is continuous with the trachea below

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5
Q

ring shaped cartilage

A

cricoid caetilage

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6
Q

cartilage shaped like a laddle

A

arytenoid cartilage

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7
Q

where is the arytenoid cartilage located?

what is the importance of this?

A

situated at the back fo the larynx and gives attachment to the vocal ligaments

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8
Q

what is the rima glottidis?

A

space between the vocal cords

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9
Q

are arytenoid cartilages fixed?

A

nope, that is why they allow for the abd/adduction and the tensing and relaxing of the vocal cords

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10
Q

space between posterior portion of tongue and epiglottis

A

vallecula

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11
Q

what oerlies the quadrangular membrane and close of the space btween epiglottis nad arytenoid cartilages

A

aryepiglottic folds

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12
Q

what helps to support the aryepiglottic fold?

A
  • corniculate

- cuneiform

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13
Q

does the thyrohoid membrane has openings for internal laryngeal nerve and superior laryngeal artery

A

yasss

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14
Q

is the vocal ligament (conus elasticus) part of the true vocal cords?

A

yassss

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15
Q

is the vestibular ligaments that lies withing the vestibular fold part of of the true vocal cords?

A

NOOOOOOO, they are false vocal cords

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16
Q

what is the function of the vestibular folds?

A

serve as a protective function

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17
Q

what is the combination of the vocal cords and the space between them?

A

glottis

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18
Q

what makes up the vocal cords?

A
  • vocal ligaments
  • thyroarytenoid muscles
  • vocalis muscles
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19
Q

Laryngeal inlet:

  • Anteriorly:
  • Posteriorly & below
  • Laterally
A
  • Anteriorly: by the upper margin of epiglottis
  • Posteriorly & below by arytenoid cartilages
  • Laterally by aryepiglottic folds
20
Q

Narrowest in the region of the vocal (true) folds

A

rima glottidis

21
Q

Narrow in the region of the vestibular (false) folds

A

rima vestibuli

22
Q

An abnormal congenital or acquired air-filled sac communicating with the ventricle of the larynx.

A

laryngocele

23
Q

Extrinsic muscles of the larynx divided into two groups

A
  • Elevators of the larynx

- Depressors of the larynx

24
Q

Intrinsic muscles of the larynx also divided into two groups

A
  • Muscles controlling the size of the laryngeal inlet

- Muscles controlling the movements of and tension on the vocal cords

25
Q

what does the aryepiglottic muscle do?

A

dude, it actas like a spincter of the inlet during swallowing

think duffel bag

26
Q

Cricothyroid ________ the distance between the angle of the thyroid cartilage & the vocal processes of the arytenoid cartilages

What will happen to the pitch of the voice which this membrane increases the length and tension of the vocal cords?

A

increases

raise the pitch

27
Q

what supplies the cricothyroid?

A

external br. of superior laryngeal nerve

28
Q

what happens if there is a paralysis of the cricothyroid?

A

low-pitched voice

29
Q

N.B. Can you distinguish the thyroarytenoid from vocalis in your dissection

A

NOPE!

30
Q

what allows the lowering the pitch of your voice?

A

thyroarytenoid muscle

31
Q

which muscle is responsible for fine control of vocal cords?

A

vocalis

32
Q

muscle that helps to control size of laryngeal inlet

A

thyroepiglottic

33
Q

whisper muscle

A

transverse arytenoid

34
Q

Lateral cricoarytenoid adducts or abducts?

A

adducts

35
Q

Transverse arytenoids adducts or abducts

A

adducts

36
Q

posterior cricoarytenoid adducts or abducts?

A

abducts

37
Q

cricothryoid m. tenses or relaxes vocal cords?

A

tenses

38
Q

thyroarytenoid m. tenses or relaxes vocal cords?

A

relaxes

39
Q

vocalis m. tenses or relaxes vocal cords?

A

relaxes

40
Q

piriform recess sensation is supplied by

A

internal laryngeal n.

41
Q

injury to superior laryngeal n. leads to _____________ and what happens to the cough reflex?

A

loss of sensation from upper part of larynx and piriform recess and inactivates cough relfex

42
Q

lol that pd term that everyone forgot on the exam… stridor, what is it?

A

high pitch sounds

43
Q

injury recurrent laryngeal n.?

A

possible aspiration

44
Q

vocalis m. attaches to the

A

vocal ligaments

45
Q

laryngeal inlet closed during swallowing a bolus of food?

A

DUH, we don’t want no food in our lungs

46
Q

benign epithelial tumors that are caused by infection with the human papilloma virus (HPV) that occur on the true vocal cords

A

laryngeal papillomas

Anatomy: head and neck (31 decks)

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