The External Pharynx and Larynx

Question 1

The pharynx is one continuous passageway composed of three parts

Answer 1

nasopharynx
oropharynx
laryngopharynx

Question 2

nasopharynx
oropharynx
laryngopharynx

These are all part of what

Answer 2

pharynx

Question 3

The nasopharynx is posterior to the
A) nasal cavity
B) oral cavity
C) larynx

Answer 3

A

Question 4

The oropharynx is posterior to the
A) nasal cavity
B) oral cavity
C) larynx

Answer 4

B

Question 5

The laryngopharynx is posterior to the
A) nasal cavity
B) oral cavity
C) larynx

Answer 5

C

Question 6

where can longitudinal muscle be found in the wall of pharynx
A) outer layer
b) inner layer

Answer 6

b

Question 7

where can circular muscle be found in the wall of pharnx
A) outer layer
b)inner layer

Answer 7

A

Question 8

external circular muscle layer is composed of three constrictor muscles. Find the correct 3
superior
posterior
middle
lateral
midclavicular
inferior

Answer 8

superior, middle, inferior

Question 9

in externalcircular muscle of pharynx, which direction do the constrictor muscle constraint
A) Superior to middle to inferior
B) middle to superior to inferior
C) inferior to superior to middle
d) inferior to middle to superior
E) middle to inferior to superior
F) Superior to inferior to middle

Answer 9

A

Question 10

Why do the constrictor muscle of the external circular muscle of the pharynx contact the superior to inferior

Answer 10

so that swallowed food moves down the pharynx towards the
oesophagus

Question 11

During swallowing, food in the oral cavity is pushed into the ______ by the tongue

Answer 11

oropharynx

Question 12

The soft palate rises and closes off the ______ from the oropharynx

Answer 12

nasopharynx

Question 13

discuss epiglottis function

Answer 13

-closes off the laryngeal inlet
-prevents food or liquids from entering the larynx

Question 14

The pharynx is innervated by sensory fibres from the ______ nerve

Answer 14

glossopharyngeal

Question 14

what nerves is the pharynx innervated by
A) Acessory
B) hypoglossal
C) Glossopharyngeal
D)facial
E)Vagus
F) Vestibulocochlear

Answer 14

Vagus + glossopharyngeal

Question 15

The pharynx is innervated by motor fibres from the _____- nerve

Answer 15

vagus

Question 16

how many cartilages is the larynx made up of

Answer 16

9

Question 17

Of the larynx cartilages. ___are unpaired, and ___are paired.

Answer 17

3
3

Question 18

what joins the cartilages together in the larynx

Answer 18

Membranes and very small joints

Question 19

which cartilages of the larynx make up the epiglottis, thyroid cartilage, and the cricoid cartilage.
A) unpaired
B) paired

Answer 19

unpaired

Question 20

what are the names of the 3 paired cartilages in the larynx

Answer 20

arytenoids, the cuneiforms and the corniculate cartilages

Question 21

The unpaired cartliagesin pharynx are bigger then the paired
T/F

Answer 21

T

Question 22

laryngeal prominence is AKA

Answer 22

Adams apple

Question 23

laryngeal prominence is formed from where and what

Answer 23

It marks the anterior midline of 2 cartilaginous thyroid laminae meeting

Question 24

what to the superior horns (posterior projection of cartilaginous thyroid lamina) attach to

Answer 24

hyoid bone

Question 25

where do the inferior horns (posterior projection of cartilaginous thyroid lamina) articulate with the

Answer 25

cricoid cartilage

Question 26

what membrane is pierced to create an emergency airway

Answer 26

cricothyroid membrane

Question 27

epiglottis is attached to the _____ aspect of the thyroid cartilage A) superior B) inferior C) posterior D) anterior

Answer 27

superior

Question 28

Although small, the ______are vital for phonation, as the vocal cords attach to them. Movements of the ______ move the vocal cords. A) arytenoids B) cuneiforms C) corniculate cartilages

Answer 28

arytenoids

Question 29

Outline the two groups of muscles act upon the larynx

Answer 29

Extrinsic Intrinsic

Question 30

what are the extrinsic muscles of the larynx

Answer 30

suprahyoid and infrahyoid muscles

Question 31

what are the intrinsic muscles of the larynx

Answer 31

Adductors adductors Sphincters Tensors

Question 32

Structures in the neck that are palpable on examination are...

Answer 32

● hyoid bone ● thyroid cartilage ● cricoid cartilage ● first tracheal cartilage ● cricothyroid membrane ● lobes of the thyroid gland ● carotid pulse

Question 33

Gag reflex function

Answer 33

protect R tract

Question 34

what innervates the gag reflex

Answer 34

Vagus + glossopharyngeal

Question 35

When the back of the mouth, posterior wall of the pharynx or the tonsils are stimulated, this sensation is carried to the ___ via the _________l nerve.

Answer 35

CNS glossopharyngeal nerve

Question 36

during Gag reflex which muscles contract

Answer 36

muscles of the soft palate and pharynx immediately contract

Question 37

How might you assess if a patient’s glossopharyngeal nerve was functioning normally?

Answer 37

test gag reflex by brushing posterior wall of oropharynx

Question 38

Why do patients who have had a stroke need a swallowing assessment?

Answer 38

impairs the cough reflex. Patients are at risk of ‘aspiration’ – swallowed liquid or food may pass into the lungs and cause infection.

Question 39

Which nerve supplies the pharyngeal constrictors?

Answer 39

vagus

Question 40

What structures are supplied by the superior laryngeal nerve

Answer 40

sensory innervation to the inside of the larynx as far as the vocal cords. * It innervates to the cricothyroid