Pharynx And Esophagus

Question 1

situated behind the nasal cavities, the mouth, and the larynx

Answer 1

Pharynx

Question 2

Three parts of pharynx

Answer 2

Nasopharynx, oropharynx and laryngopharynx

Question 3

___is funnel shaped; its upper, wider end lies under the base of the skull; its lower, narrow end is continuous with the esophagus opposite the ____

Answer 3

Pharynx, Sixth cervical vertebra

Question 4

The pharynx is also continuous with the tympanic cavity via

Answer 4

Auditory tube

Question 5

lies above the soft palate and behind the nasal cavities.

Answer 5

Nasopharynx (nasal pharynx)

Question 6

A collection of lymphoid tissue, the _____, sits in the submucosa of the roof

Answer 6

Pharyngeal tonsil

Question 7

The ______ is the opening in the floor between the soft palate and the posterior pharyngeal wall.

Answer 7

Pharyngeal isthmus

Question 8

The elevated ridge that caps the opening is the

Answer 8

Tubal elevation

Question 9

is a depression in the pharyngeal wall behind the tubal elevation.

Answer 9

Pharyngeal recess

Question 10

is a vertical fold of mucous membrane covering the salpingopharyngeus muscle. This extends downward from the tubal elevation, behind the auditory tube.

Answer 10

Salphingopharyngeal fold

Question 11

lies behind the oral cavity. The floor is the posterior one third of the tongue and the interval between the tongue and epiglottis

Answer 11

Oropharynx (oral pharynx)

Question 12

Midline of oropharynx and lateral to the side

Answer 12

Median Glossoepiglotic fold
Lateral glossoepiglotic fold

Question 13

The depression on each side of the median glossoepiglottic fold is the

Answer 13

Vallecula

Question 14

a fold of mucous membrane covering the palatoglossus muscle.

Answer 14

Palatoglossal arch

Question 15

The interval between the paired palatoglossal arches is called the ____ and marks the boundary between the mouth and pharynx.

Answer 15

Oropharyngeal isthmus

Question 16

occupies the recess between the palatoglossal and palatopharyngeal arches.

Answer 16

Palatine tonsil

Question 17

lies behind the opening into the larynx. The thyroid cartilage and the thyrohyoid membrane form the lateral wall.

Answer 17

Laryngopharynx (laryngeal pharynx)

Question 18

is a depression in the mucous membrane on each side of the laryngeal inlet

Answer 18

Piriform fossa

Question 19

Pharyngeal mucous membrane sensory nerve supply
Nasopharynx: ?
Oropharynx: ?
Laryngopharynx: ?

Answer 19

N: maxillary nerve
O: glossopharyngeal nerve
L: internal laryngeal branch of vagus nerve

Question 20

Pharyngeal blood supply

Answer 20

Ascending pharyngeal,
tonsillar branches of facial arteries,
and
branches of the maxillary and lingual arteries

Question 21

Muscles in the wall of the pharynx are?

Answer 21

Superior, middle, inferior constrictor muscle (circular)
Stylopharyngeus and salpingopharyngeus m (longitudinal direction)

Question 22

The lower part of the inferior constrictor, which arises from the cricoid cartilage, is called the

Answer 22

Cricopharyngeus muscle

Question 23

the area on the posterior pharyngeal wall between the upper propulsive part of the inferior constrictor and the lower sphincteric part, the cricopharyngeus.

Answer 23

Killian dehiscence

Question 24

What are the 7 pharynx muscles

Answer 24

Superior, inferior, middle constrictor
Cricopharyngeus
Stylopharyngeus
Salphingopharyngeus
Palatopharyngeus

Question 25

Oina of superior constrictor

Answer 25

Medial pertygoid plate, pterygoid hamukus, pterygomandibular ligament, mylohyoid line Pharyngel tubercle of the occipital bone, raphe in midline pesteriorly Pharyngel plexus (vagus) Aids soft palate in closing off nasal pharynx, propels bolus downward

Question 26

Oina of middle constrictor

Answer 26

Lower part of stylohyoid ligament, lesser and greater cornu of hyoid bone Pharyngeal raphe Pharyngeal plexus (vagus) Propels bogus downward

Question 27

Oina of inferior constrictor

Answer 27

Lamina of thyroid cartilage, cricoid cartilage Pharyngeal raphe Pharyngeal plexus (vagus) Propels bogus downward

Question 28

Oina of cricopharyngeus

Answer 28

Lowest fibers of inferior constrictor muscle - - Sphincter at lower end of the pharynx

Question 29

Oina of stylopharyngeus

Answer 29

Styloid process of the temporal bone Posterior border of the thyroid cartilage Glossopharyngeal nerve Elevates the larynx during swallowing

Question 30

Oina of salpingopharyngeus

Answer 30

Auditory tube Blends with palatopharyngeus Pharyngeal plexus (vagus) Elevates pharynx

Question 31

Oina of palatopharyngeus

Answer 31

Palatine aponeurosis Posterior border of the thyroid cartilage Pharyngeal plexus (vagus) Elevates wall of pharynx, pulls palatopharyngeal arch medially

Question 32

Masticated food is formed into a ball or bolus on the ____ of the tongue and voluntarily pushed __ and ___ against the undersurface of the ___ palate.

Answer 32

Dorsum , upward and downward, hard

Question 33

Swallowing is brought by the contraction of the __ on both sides

Answer 33

Styloglossus

Question 34

M that squeezes the bolus backward into the pharynx

Answer 34

Palatoglossus

Question 35

Prevents passage of food and drink into the nasal cavity

Answer 35

Shutting off the oral part of the pharynx by elevating the soft palate pulling forward of the posterior wall of the pharynx by the upper fibers of the superior constrictor muscle Contraction of the palatopharyngeus M

Question 36

Contraction of the laryngeal part of the pharynx are ?

Answer 36

Stylopharyngeus M Salpingopharyngeus M Thyrohyoid M Palatopharyngeus M

Question 37

The food (digestive system) and air (respiratory system) pathways cross in the

Answer 37

Pharynx

Question 38

Pharyngeal lymph drainage

Answer 38

Deep cervical nodes or indirectly via retropharyngeal or pretracheal nodes into the dcv

Question 39

Important tonsils of pharynx

Answer 39

Palatine tonsils Pharyngeal tonsils

Question 40

are two masses of lymphoid tissue, each located in the depression on the lateral wall of the oropharynx between the palatoglossal and palatopharyngeal arches

Answer 40

Palatine tonsil

Question 41

The surface of palatine tonsils is pitted by numerous small openings that lead into the

Answer 41

Tonsillar crypts

Question 42

The palatine tonsil is covered on its lateral surface by a fibrous _ The capsule is separated from the superior constrictor muscle by _ and the __ vein descends from the soft palate in this tissue to join the pharyngeal venous plexus.

Answer 42

Tonsillar capsule, loose areolar tissue, external palatine vein

Question 43

Palatine tonsil reaches its maximum size during __, but after, it diminished in size

Answer 43

Early childhood

Question 44

Blood supply of palatine tonsil

Answer 44

Tonsilar branch of facial A. The veins pierce the superior constrictor muscle and join the external palatine, the pharyngeal, or the facial veins.

Question 45

Tonsil lymph drainage

Answer 45

Upper deep cervical lymph node, below and behind the angle of the mandible

Question 46

The lymphoid tissue that surrounds the opening into the respiratory and digestive systems forms a ring.

Answer 46

Waldeyer’s ring of lymphoid tissue

Question 47

is a muscular tube about 10 in. (25 cm) long, extending from the pharynx to the stomach

Answer 47

Esophagus

Question 48

Esophagus begins at the level of __, opposite the body of the sixth cervical vertebra

Answer 48

Cricoid cartilage

Question 49

RELATIONS OF ESOPHAGUS IN THE NECK: Ant Pos Lat

Answer 49

Ant: Trachea; the recurrent laryngeal nerves ascend one on each side, in the groove between the trachea and the esophagus Post: Prevertebral layer of deep cervical fascia, the longus colli, and the vertebral column. Laterally: On each side lie the lobe of the thyroid gland and the carotid sheath.

Question 50

Blood supply in the neck

Answer 50

Inferior thyroid Aa supply the esophagus in the neck Drains into the inferior thyroid veins

Question 51

Lymph drainage in the neck in esophagus

Answer 51

Deep cervical lymph node

Question 52

Nerve supply in the neck in esophagus

Answer 52

The recurrent laryngeal nerves and the sympathetic trunks supply the esophagus in the neck.