10: Anatomy 4 - larynx Flashcards Preview

ENT Week 1 2017/18 > 10: Anatomy 4 - larynx > Flashcards

Flashcards in 10: Anatomy 4 - larynx Deck (67)
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1

What part of the respiratory tract is found above the trachea?

Larynx

2

The larynx is a series of ___ joined by connective tissues and moved by muscles.

cartilages

3

The larynx is found between the ___ and the ___.

pharynx

trachea

4

Which muscles, found in the pretrachial fascia, act as accessory muscles of breathing?

Strap muscles

5

What are the four strap muscles of the neck?

Sternothyroid

Sternohyoid

Thyrohyoid

Omohyoid

6

What part of the pharynx is found posterior to the larynx?

Laryngopharynx

7

What blood vessels are found to either side of the larynx?

Common carotid artery

Internal jugular vein

8

At which vertebral level is the hyoid bone found?

C3

9

At which vertebral level is the thyroid cartilage found?

C5

10

At which vertebral level is the cricoid cartilage found?

C6

Same level as cricopharyngeus (START OF THE OESOPHAGUS)

11

What is the first palpable spinous process?

C7

12

Which directions do the larynx and epiglottis move to prevent aspiration into the respiratory tract?

Larynx moves UP

Epiglottis moves DOWN

13

Which bone are the cartilages of the larynx suspended from?

Hyoid bone

14

Which bone is found at the top of the larynx?

Hyoid bone

15

Which membrane is found between the hyoid bone and the thyroid cartilage?

Thyrohyoid membrane

16

What are three notable parts of the thyroid cartilage?

Superior horn

Laryngeal prominence (Adam's apple)

Inferior horn

17

What are the four important cartilages of the larynx?

Epiglottis

Thyroid cartilage

Arytenoid cartilages (posteriorly)

Cricoid cartilage

18

What type of cartilage make up the

a) epiglottis

b) thyroid cartilage

c) arytenoid cartilages

d) cricoid cartilage?

a) Elastic cartilage

b) c) d) All hyaline cartilage

19

Which joint connects the

a) thyroid and cricoid cartilages

b) arytenoid and cricoid cartilages?

a) Cricothyroid joint

important landmark - where recurrent laryngeal nerve becomes inferior laryngeal nerve

b) Cricoarytenoid joint

20

What shape is the 1st tracheal ring?

C-shaped

21

Which part of the cricoid cartilage compresses the oesophagus when you press on it?

Lamina

22

What is the inlet of the larynx called?

Aditus

to make things even more confusing

23

What are the two types of vocal fold found in the larynx?

False vocal cord 

True vocal cord

24

What must a vocal fold be covered in to be called a vocal cord?

Squamous epithelium

25

What is the origin and insertion of the true vocal cords?

Vocal processes of arytenoid cartilages

Thyroid cartilage

26

What are the two important ligaments of the larynx?

Vestibular ligament

Vocal ligament

27

What is the membrane running between the epiglottis and vestibular ligament?

Quadrangular membrane

28

What is the membrane running between the vocal ligament and the cricoid cartilage?

Conus elasticus

29

Which membranes join the

a) hyoid bone and thyroid cartilage

b) epiglottis and vestibular ligament

c) vocal ligament and cricoid cartilage?

a) Thyrohyoid membrane

b) Quadrangular membrane

c) Conus elasticus

30

What is the space between the true vocal cords called?

Rima glottidis