pharynx (respiratory tract)

Question 1

what 3 sections is the pharynx divided into

Answer 1

nasopharynx
oropharynx
laryngopharynx

Question 2

pharynx relationship to other areas

Answer 2

posterior to nasal, oral and laryngeal cavities

Question 3

boundaries of nasopharynx - anterior?

Answer 3

posterior nares

Question 4

boundaries of nasopharynx - superior

Answer 4

sphenoid and occipital bones

Question 5

boundaries of nasopharynx - posterior

Answer 5

pharyngeal constrictor muscles, retropharyngeal space

Question 6

boundaries of nasopharynx - lateral

Answer 6

mucosal wall

Question 7

boundaries of nasopharynx - inferior

Answer 7

soft palate

Question 8

boundaries of oropharynx - superior

Answer 8

soft palate

Question 9

boundaries of oropharynx - inferior

Answer 9

upper margin of epiglottis

Question 10

boundaries of oropharynx - anterior

Answer 10

continuous with oral cavity

Question 11

boundaries of oropharynx - posterior

Answer 11

pharyngeal constrictor muscles

Question 12

boundaries of oropharynx - lateral

Answer 12

tonsils, mucosal wall

Question 13

boundaries of laryngopharynx - superior

Answer 13

upper margin of epiglottis

Question 14

boundaries of laryngopharynx - inferior

Answer 14

6th cervical vertebrae

Question 15

boundaries of laryngopharynx - anterior

Answer 15

continuous with larynx

Question 16

boundaries of laryngopharynx - posterior

Answer 16

pharyngeal constrictor muscles

Question 17

boundaries of laryngopharynx - lateral

Answer 17

mucosal wall

Question 18

2 types of muscles of the pharynx

Answer 18

constrictor muscles, longitudinal muscles

Question 19

3 constrictor muscles of pharynx

Answer 19

superior, middle, inferior

Question 20

function of constrictor muscles in pharynx

Answer 20

involved in swallowing, coughing.
narrow size of pharynx

Question 21

what do constrictor muscles of pharynx attach to

Answer 21

pharyngeal raphe

Question 22

3 longitudinal muscles of pharynx

Answer 22

stylopharyngeus
salpingopharyngeus
palatopharyngeus

Question 23

innervation of pharynx - sensory

Answer 23

trigeminal nerve (CNV2)
pharyngeal plexus - CN9 (glossopharyngeal) and CN10 (vagus)

Question 24

innervation of pharynx - motor

Answer 24

CN10 for all but stylopharyngeus which is CN9

Question 25

4 functions of pharynx

Answer 25

passageway
warms and humidifies air (nasopharynx lined with respiratory epithelium)
protection from infection (lymphoid tissue in tonsils)
speech