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Anatomy > Clinical Relevance Of The Larynx 2 > Flashcards

Clinical Relevance Of The Larynx 2 Flashcards

1
Q

What are the two types of pretracheal fascia

A

Visceral or muscular

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2
Q

Where si the larynx found.

A

Anterior to laryngopharynx
Between carotid sheaths
Between c4-c6

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3
Q

What sit he larynx an important factor in

A

Upper RESP tract

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4
Q

What does the larynx communicate with

A

Oro and naso pharynx above

Becomes trachea below at c6 cricoid cart

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5
Q

How does the larynx help the URT

A

Keeps it open/patent

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6
Q

What si the larynx made of

A

Rigid Skelton of cartilage and little bone

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7
Q

What are the other functions of the larynx

A

Help prevent entry of foreign bodies - vocal cords and cough reflex

Produce sound - vocal cords

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8
Q

What does the full Skelton of the larynx consist of

A 
Epiglottis Hyoid bone 
Thyrohyoid mem
Thyroid cartilage 
Crop thyroid mem 
Cricoid cart 
Trachea
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9
Q

What is the only complete ring of cartilage

A

Cricoid

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10
Q

What si the Cricothyroid mem imp For

A

Access for puncture

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11
Q

Why is the epiglottis different

A

Made of elastic cartilage rather than hyaline

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12
Q

What does the trachea consist of

A

C ring of cartilage but smooth muscle trachealis maintain patency

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13
Q

What are the parts of the thyroid mem

A

SUPEIROR horn of the thyroid Cart
Laryngeal prominence
Inferior horn of thyroid cart

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14
Q

What does the cricoid cartilage consist of

A

Arch

Lamina

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15
Q

What kind of joint is the Cricothyroid joint

A

Synovial

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16
Q

What does the Cricothyroid joint allow

A

A-P movement of the head allowing nodding

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17
Q

What a re the processes of the arytenoid cartilages

A

Corniculate
Muscular
Vocal

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18
Q

What are the vocal cords

A

Thickened ligaments between thyroid cart and vocal processes of arytenoid carts

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19
Q

Where are the cuneiform and corniculate ligaments located

A

Deep to laryngeal muscle

20
Q

What do the corniculate and cuneiform cartilages do

A

Support laryngeal inlet not part in moving vocal cords

21
Q

What si the rims glottidus

A

Space between vocal cords where air passes

22
Q

What si the vocal cord

A

Vocal ligament covered in mucosa vocal fold

23
Q

How many carts

A

9

24
Q

What are the pairs of cart

A

3 pairs

Corniculate
Cuneiform
Arytenoids

25
Q

What a re the single carts

A

3

Epiglottis
Thyroid
Cricoid

26
Q

What is an endotracheal intubation

A

Placing a breathing tube inside the trachea

27
Q

What si the endotracheal tube inserted through

A

Mouth or nasal cav

Oropharynx

Laryngeal inlet

Rima glottidus

Trachea

28
Q

What si the endotracheal tube not inserted into

A

Main bronchi as May inflate only one lung and the other will collapse

29
Q

What is a laryngoscopy

A

Viewing inside the larynx with a laryngoscope

30
Q

How do u carry out a largngoscopy

A

Blade inserted in valeculla,a between tongue and epiglottis

31
Q

What kind of mucosa is in the larynx

A

Respiratory epithelium

32
Q

What kind of epithelia are the vocal cords

A

Stratified squamous epi

33
Q

Since the epi of the larynx is RESP what does this mean

A

Sec mucous
Cilia waft to pharynx
Mucociliary escalator

34
Q

What divides the laryngeal mucosa

A

Vocal cords

35
Q

What are false vocal cords called

A

Vestibular folds

36
Q

Where are the false vocal cords and what do they do

A

Superior to true

Thickened folds to protect airway

37
Q

What are the true vocal cords called when covered in mucosa

A

Vocal fold

38
Q

What nerve innervates the laryngeal mucosa

A

Vagus

39
Q

What parts of the vagus innervate what part of the larynx

A

Superior to vocal fold - internal laryngeal branches of superior laryngeal branch of vagus

Inferior I to vocal fold and vocal fold - recurrent laryngeal branches of vagus

40
Q

What does the recurrent laryngeal nerve loop

A

Under and back up at aorta arch

41
Q

What are some details about the intrinsic muscles of the larynx

A

All skeletal muscle
All voluntary
Move vocal cords - tensors, extensirs, adductors, abductors
All supplied with motor branches of vagus

42
Q

What do the crucothyroid mucles do

A

Tense vocal cords

Nodding at joints

43
Q

What are the thyroartyeinid carts

A

Relax vocal cords

Pull arytenoids to thyroid

44
Q

What do the lateral crico arytenoid carts do

A

Adduct vocal cords

Rotate arytenoid cart So that the vocal processes if carts come together midline

45
Q

What do the arytenoid muscles do

A

Traverse and oblique
Assist lat crico to gently close rima glottidus
Sphincter function
Crico thyroid also contracts

46
Q

What does the post crico arytenoid do

A

Adduct vocal cords
Rotate arytenoid carts so vocal processes carts move
Winded rima glottidus

47
Q

What does the pretracheal fascia enclose

A 
Strap muscles 
Thyroid gland 
Trachea 
Larynx 
Oes
Pharynx 
Recurrent largest nerves

Anatomy (44 decks)

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