Netter's MCQs Chapter 15: The Pharynx

Question 1

What is the length of the pharynx?

a: 2 inches
b: 5 inches
c: 8 inches
d: 9 inches

Answer 1

b: 5 inches

Question 2

How many constrictor and longitudinal muscles constitute the pharynx?

a: three constrictor and three longitudinal
b: three constrictor and two longitudinal
c: two constrictor and three longitudinal
d: four constrictor and three longitudinal

Answer 2

a: three constrictor and three longitudinal

Question 3

Which layer of the pharyngeal wall is the site of the location of the pharyngeal plexus of nerves and pharyngeal plexus of veins?

a: mucous membrane
b: submucosa
c: pharyngobasilar fascia
d: buccopharyngeal fascia

Answer 3

d: buccopharyngeal fascia

Question 4

Which is the anterior boundary of the nasopharynx?

a: fornix
b: soft palate
c: choanae of nasal cavity
d: mucosa covering the superior constrictor

Answer 4

c: choanae of nasal cavity

Question 5

Which tonsils are located in the pharyngeal recess?

a: lingual tonsils
b: tubal tonsils
c: pharyngeal tonsils
d: palatine tonsils

Answer 5

c: pharyngeal tonsils

Question 6

The auditory tube connects the middle ear cavity with which structure?

a: oropharynx
b: nasopharynx
c: laryngopharynx
d: larynx

Answer 6

b: nasopharynx

Question 7

Which is the inferior boundary of the oropharynx?

a: palatoglossal folds
b: posterior 1/3 of tongue
c: nasopharynx
d: mucosa covering middle and inferior constrictors

Answer 7

b: posterior 1/3 of tongue

Question 8

What is the anterior boundary of the laryngopharynx?

a: oropharynx
b: larynx and epiglottis
c: mucosa covering the middle and inferior constrictors
d: mucosa covering the superior and middle constrictors

Answer 8

b: larynx and epiglottis

Question 9

What is the name of the depression immediately posterior to the root of the tongue?

a: piriform recess
b: epiglottic vallecula
c: pharyngeal recess
d: torus tubarius

Answer 9

b: epiglottic vallecula

Question 10

Which is the potential site for objects to become lodged?

a: piriform recess
b: epiglottic vallecula
c: pharyngeal recess
d: torus tubarius

Answer 10

a: piriform recess

Question 11

Which muscle takes origin from the cartilage of the auditory tube?

a: superior constrictor
b: middle constrictor
c: salpingopharyngeus
d: palatopharyngeus

Answer 11

c: salpingopharyngeus

Question 12

Which is the only muscle of the pharynx supplied by the glossopharyngeal nerve?

a: superior constrictor
b: middle constrictor
c: salpingopharyngeus
d: palatopharyngeus

Answer 12

c: salpingopharyngeus

Question 13

Which of the following structures does not pass through the gap between the base of the skull and superior constrictor muscle?

a: auditory tube
b: levator veli palatini
c: ascending palatine artery
d: tensor veli palatini

Answer 13

d: tensor veli palatini

Question 14

Which of the following structures does not pass through the gap between superior and middle constrictor muscles?

a: salpingopharyngeus
b: stylopharyngeus
c: glossopharyngeal nerve
d: stylohyoid ligament

Answer 14

a: salpingopharyngeus

Question 15

Which of the following structures does not pass through the gap between the middle and inferior constrictor muscles?

a: internal laryngeal nerve
b: superior laryngeal nerve
c: superior laryngeal vein
d: recurrent laryngeal nerve

Answer 15

d: recurrent laryngeal nerve

Question 16

Which artery descends along the lateral side of the pharynx typically between stylopharyngeus and styloglossus muscles?

a: ascending pharyngeal
b: ascending palatine
c: tonsilar
d: pharyngeal

Answer 16

b: ascending palatine

Question 17

Which nerve does not contribute to the formation of the pharyngeal plexus?

a: pharyngeal branch of glossopharyngeal nerve
b: pharyngeal branch of vagus
c: cranial part of accessory nerve
d: recurrent laryngeal branch of the vagus

Answer 17

d: recurrent laryngeal branch of the vagus