Pharynx

Question 1

Extent of Pharynx

Answer 1

From the Base of Skull to the Upper border of Cricoid Cartilage

Length 12-14 cm

Diameter 3-4 cm

Question 2

Diameter of Pharynx at Pharyngoesophageal Junction

Answer 2

1.5 cm

Question 3

3 Subdivisions of Pharynx

Answer 3

Naso-pharynx ~ behind nasal cavity

Oro-pharynx ~ behind oral cavity

Hypo-pharynx ~ behind Larynx

Question 4

Anterior wall of Nasopharynx is

Answer 4

Deficient

And it is made up of Posterior Nasal Aperture ~ Nasal Choana

Question 5

Sphenoid Bone
Occipital Bone
C1 Vertebra

Forms which part of Nasopharynx

Answer 5

Roof / Posterior Wall

Question 6

Floor of Nasopharynx is made up of

Answer 6

Soft Palate and Pharyngeal Isthmus

Question 7

The gap between Soft Palate and Posterior Pharyngeal Wall is

Answer 7

Pharyngeal Isthmus

Question 8

Passavant’s Ridge is formed by

Answer 8

Upper Fibres of Palatopharyngeus Muscle Sweep backward horizontally
and
fuse with Upper Fibres of Superior Constictor

Forms U Shaped Loop in the Posterior Pharyngeal Wall

Question 9

Passavant’s Ridge is formed by (single best answer)

Answer 9

Palatopharyngeus > Superior Constrictor

Question 10

During swallowing Pharyngeal isthmus is closed by

Answer 10

Elevation of Soft Palate + Forward Pulling of Passavant’s Ridge

Question 11

Lymphocytic Aggregation in the Roof / Posterior wall of Nasopharynx is

Answer 11

Adenoids / Nasopharyngeal Tonsils

Question 12

Mucus Diverticulum extending into Adenoid

Answer 12

Is Nasopharyngeal Bursa

Question 13

One small dimple above the nasopharyngeal bursa is

Answer 13

Remnant of Rathke’s Pouch

Question 14

Following structures found in which part of Nasopharynx;

Adenoids

Nasopharyngeal Bursa

Rathke’s Pouch

Answer 14

Roof / Posterior Wall of Nasopharynx

Question 15

Pharyngeal opening of Auditory Tube is situated at

Answer 15

1.25 cm behind the Inferior Turbinate

In lateral wall Nasopharynx

Question 16

Above and Behind to Nasopharyngeal opening of Auditory Tube, the elevation is called

Answer 16

Tubal Elevation

Question 17

From the Tubal Elevation, 2 extension/folds are

Answer 17

Salpingopalatine Fold ~ from auditory tube to the palate

Salpingopharyngeal Fold ~ from auditory tube to the pharynx

Question 18

Fossa of Rossen Muller / Pharyngeal Recess seen ___________ Tubal Elevation

Answer 18

Behind the Tubal Elevation- seen pharyngeal recess tht is called Fossa of Rossen Muller

Question 19

Which wall of Oropharynx is deficient / communicates with oral cavity

Answer 19

Anterior Wall

Question 20

Posterior wall of Oropharynx is made up of

Answer 20

Opposite to C2 and Upper C3 vertebrae

Question 21

Roof of Oropharynx is made up of

Answer 21

Soft Palate

Question 22

Posterior 1/3rd of Tongue found in which part of Oropharynx I

Answer 22

Floor of Oropharynx

Question 23

Lateral wall of Oropharynx has

Answer 23

Tonsillar Fossa

Question 24

Boundaries of Tonsillar Fossa

Answer 24

Anterior Pillar ~ Palatoglossal Arch

Posterior Pillar ~ Palatopharyngeal Arch

Above ~ Soft Palate

Below ~ Post. 1/3rd of Tongue

Question 25

Crypts are present on __________ Surface of Tonsil

Answer 25

Medial Surface

Question 26

__________________ Space Surrounding the Capsule of Tonsil

Answer 26

PeriTonsillar Space Has PeraTonsillar Vein

Question 27

Infection in PeriTonsillar Space leads to

Answer 27

Quinsy

Question 28

Pharyngobasillar Fascia Superior Constrictor Buccopharyngeal Fascia From deep to Superficial Seen in __________ wall of Tonsil

Answer 28

Lateral Wall Of Tonsil Others Structures seen in the lateral wall of tonsil; Facial Artery Glossopharyngeal Nerve Styloglossus Muscle

Question 29

Blood Supply to Tonsil

Answer 29

1. Lingual Artery 2. Facial Artery 3. Ascending Pharyngeal Artery 4. Ascending Palatine Artery 5. Maxillary Artery

Question 30

Principal artery of Tonsil is

Answer 30

Facial Artery

Question 31

The node for Palatine Tonsil

Answer 31

JuguloDigastric Node

Question 32

Extension of Laryngopharynx

Answer 32

From Upper Border of Epiglottis to Lower Border of Cricoid Cartilage

Question 33

Boundaries of Pyriform Fossa / Fishbone Area Medially ~ Laterally ~

Answer 33

Medially ~ Aryepiglottic Fold Laterally ~ mucous covering over the lamina of thyroid

Question 34

Nerve supply to Pyriform Fossa / Fishbone Area

Answer 34

Internal Laryngeal Nerve

Question 35

Inferior constrictor of Pharynx consists of

Answer 35

Thyropharyngeus Part Cricopharyngeus Part

Question 36

Inner surface of constrictor muscles is covered by

Answer 36

Pharyngo Basillar Fascia ~ it is thickening of submucosa

Question 37

Buccopharyngeal Fascia covers ___________ Surface of Constrictor Muscles

Answer 37

External Surface Bucco-pharyngeal Fascia covera Buccinator and Constrictor Muscles

Question 38

The Potential Gap Between Thyropharyngeus and Cricopharyngeus Muscle is called

Answer 38

Killian’s area/dehiscence

Question 39

Zenker’s Diverticulum arise from

Answer 39

Arising in the Killian’s Dehiscence Due to the Muscular incoordination between the Thyrophayngeus and Cricopharyngeus muscles

Question 40

Sinus of Morgagni transmit

Answer 40

1. Auditory Tube 2. Levator Palatini Muscle 3. Ascending Palatine Artery 4. Palatine Branch of Ascending Pharyngeal Artery Its Gap/Space between Base of the Skull and Superior Constrictor

Question 41

1. Stylohyoid Ligament 2. Glossopharyngeal Nerve 3. Stylopharyngeus Muscle Transmit through which gap of constrictor muscles

Answer 41

Gap between Superior and Middle Constrictor Muscles

Question 42

Gap between Middle Constrictor and Inferior Constrictor Transmit

Answer 42

Internal Laryngeal Nerve and Superior Laryngeal Vessels

Question 43

Below Inferior Constrictor the Structures Transmitting

Answer 43

Recurrent Laryngeal Nerve and Inferior Laryngeal Vessels

Question 44

Longitudinal muscles of Pharynx

Answer 44

Salpingopharyngeus Palatopharyngeus Stylopharyngeus

Question 45

Pharyngeal Plexus Supply

Answer 45

Sensory and Motor Supply to; Palate Pharynx Except, Stylopharyngeus Muscle ~ IX Nerve

Question 46

Pharyngeal Plexus is formed by

Answer 46

Pharyngeal branch of IX nerve Pharyngeal branch of X nerve Superior Cervical Ganglion {pharyngeal part of accessory nerve is not giving contribution to Pharyngeal Plexus}