Respiratory System Part2

Question 1

Pharynx is a tube made up bu

Answer 1

fibro-muscular

Question 2

Pharynx extension?

Answer 2

base of skull to esophagus

Question 3

Anterior wall of pharynx communicate with

Answer 3

1-nasal
2-oral
3-layrnx

Question 4

Pharynx mucous continues woth?

Answer 4

1-nose
2-mouth
3-lyrnx
4-middle ear

Question 5

Pharynx mucous attached to multiple organs, so what happens with infection?

Answer 5

one organ= spread to others

Question 6

parts of pharynx?

Answer 6

1-Nasopharynx
2-Oropharynx
3-Layrngopharynx

Question 7

Nasopharynx location?

Answer 7

posterior to nasal cavity, above soft palate

Question 8

Nasopharynx must always

Answer 8

be open

Question 9

Extension of Nasopharynx superiorly

Answer 9

Sphenoid bone

Question 10

Extension of Nasopharynx inferiorly

Answer 10

margins of soft palate & Uvula

Question 11

Extension of Nasopharynx anteriorly

Answer 11

nasal septum & choana

Question 12

Extension of Nasopharynx posterolateraly

Answer 12

pharyngeal wall

Question 13

Number & name important structures of Nasopharynx

Answer 13

1-adenoids/pharyngeal tonsils
2-Tubal tonsils
3-Opening of Eustachian tubes
4-Pharyngeal recess
5-muscles of pharyngeal wall

Question 14

what are the muscles of pharyngeal wall in Nasopharynx?

Answer 14

1-Tensor veli palatini
2-Levator veli palatini
3-Salpingopharryngus

Question 15

how does Nasopharynx communicate?

Answer 15

inferiorly with orophyrnx

Question 16

Extension of oropharynx supriorly

Answer 16

soft palate &uvula

Question 17

Extension of oropharynx inferiorly

Answer 17

superior border of epiglottis

Question 18

Extension of oropharynx anteriorly

Answer 18

posterior 1/3rd of tongue

Question 19

Extension of oropharynx posteriolateraly

Answer 19

pharyngeal wall of oropharynx

Question 20

latterly located two folds in oropharynx are

Answer 20

anterior fold- plato-glossus muscle
posterior fold- plato-pharyngeus muscle
called arches

Question 21

inbetween the arches of oropharynx is

Answer 21

palatine tonsils

Question 22

muscles of oropharynx are

Answer 22

1-platoglossus
2-palatopharngeus
3-superior constrictor

Question 23

oropharynx communicate

Answer 23

inferiorly with laryngopharynx

Question 24

Extension of laryngopharynx superiorly

Answer 24

Superior border of epiglottis

Question 25

Extension of laryngopharynx inferiorly

Answer 25

cricoid cartilage

Question 26

Extension of laryngopharynx anteriorly

Answer 26

laryngeal inlet vallecula & larynx

Question 27

Extension of laryngopharynx posterolateral

Answer 27

laryngeal pharyngeal wall

Question 28

important structures of laryngopharynx

Answer 28

1-posterolateral wall 2-layrngeal inlet 3-piriform recess

Question 29

posterolateral wall of laryngopharynx contains

Answer 29

1-Inner : palatopharngeus & styliopharyngeus 2-Outer: Middle & Inferior Constricters

Question 30

Pirirform recces is a

Answer 30

space beside larynx

Question 31

Laryngopharynx communication

Answer 31

1-laryngopharynx faces 2-Anteriorly: laryngeal inlet & low post. surface of larynx 3-inferiorly: esophagus

Question 32

pharynx has __muscles

Answer 32

internsic & extrnic

Question 33

Intrinsic muscles of pharynx form? communicate with?

Answer 33

Posterolateral wall communicate with nasal& oral cavities & layrnx

Question 34

name Intrinsic muscles of pharynx

Answer 34

1-Suprior constrictor 2Middle Constrictor 3-Inferior Constrictor

Question 35

Name Extrnsic muscles of pharynx

Answer 35

1-Palatopharyngrus 2-salpingpharyngeus 3-styolpharyngues

Question 36

Why are they consider extrinsic muscles?

Answer 36

arise outside phryngeal wall attach internally to constrictor muscles

Question 37

Motor nerve supply of pharynx

Answer 37

1all muscles supplied by CN X vagus via phyrngeal plexus 2-Except stylopharynggeus supplied by CN IX

Question 38

Sensory nerve supply of pharynx

Answer 38

1-Nasopharynx : pharyngeal branch of max. nerve CN V 2-Ororpharynx : CN IX by phyrngeal plexus 3- Layrngopharynx : CN X by phyrngeal plexus

Question 39

parasympathetic nerve supply of pharynx

Answer 39

pterygopalatine ganglion thro phryngeal br. of max. nerve