6 - ENT - Upper airway - Anatomy - Pharynx

Question 1

the function of the pharynx

Answer 1

transit of air and food
movements of pharyngeal phase of swallowing
modulation of vocal sounds
sensory - taste, reflexes
control eustachian tube opening

Question 2

Nasopharynx - posterior to? contains?

Answer 2

posterior to nasal cavity

contains adenoids and openings of eustachian tube

Question 3

Oropharynx - bounded by? (sup+inf) Anterior border is? which fill what?

Answer 3

bounded by border of hard palate superiorly, line of hyoid bone inferiorly

ant border is anterior edge of lingual tonsils - fill posterior 1/3rd of tonugue

Question 4

Hypopharynx - from where to where?

continuous with?

Answer 4

continuous with oesophagus

from hyoid line to lower border of cricoid cartilage

Question 5

Functions of larynx

Answer 5

protects lower airway
produces sound
cough mechanism

Question 6

Sup and Inf margin of larynx

Answer 6

sup - hyoid bone and epiglottis

inf - inferior edge of cricoid cartilage (around C6)

Question 7

difference between thyroid and cricoid cartilage

Answer 7

cricoid - continuous (signet ring)

thyroid - no posterior cartilage

Question 8

how are supraglottis glottis and subglottis

Answer 8

supra - from hyoid bone to vocal chords
glottis - true vocal chords
subglottis - below vocal folds to level of cricoid cartialge

Question 9

Laryngeal nerve - diff between right and left recurrents

Answer 9

right - arises from right vagus and loops around subclavian artery
left - arises from left vagus and loops around arch of aorta