Pharynx

Question 1

Narrowest part of GIT

Answer 1

Pharyngitis esophageal junction

Question 2

Pharynx is connected to middle ear via

Answer 2

Eustachian tube

Question 3

❑Pharyngeal wall is
formed by;

Answer 3

✓Buccopharyngeal fascia
✓Muscular wall
✓Pharyngobasilar fascia
✓Mucosa

Question 4

Outer Circular Layer consist of 3 muscles-

Answer 4

Superior constrictor >Middle
constrictor > Inferior constrictor

Question 5

Inner Longitudinal Layer consist of 3 muscles-

Answer 5

> Stylopharyngeus >Salpingopharyngeus
Palatopharyngeus

Question 6

Nerves except stylopharyngeus

Answer 6

Vagus

Question 7

Stylopharyngeus nerve

Answer 7

Glossopharyngeal nerve

Question 8

• Palatopharyngeal
sphincter

Answer 8

Superior Constrictor Muscle

Question 9

Gaps on Lateral Wall

Answer 9

Above the margin of the
superior constrictor muscle
• Between superior & middle
constrictor muscles and
posterior border of mylohyoid
muscle
• Between middle & inferior
constrictor muscles

Question 10

❑Superior gap (Sinus of Morgagni);

Answer 10

✓Tensor veli palatini muscle
✓Levator veli palatini muscle
✓Ascending palatine artery
✓Eustachian tube

Question 11

❑Middle gap;

Answer 11

✓Stylopharyngeus muscle
✓Muscles, nerves and vessels
passing into and out of the oral
cavity

Question 12

❑Inferior gap;

Answer 12

✓Internal laryngeal nerve and
vessels

Question 13

There are two potential
spaces in relation to the
pharynx where abscesses can
form.

Answer 13

1. Retropharyngeal space,
   situated behind the
   pharynx.
2. Parapharyngeal space,
   situated on the side of
   pharynx.

Question 14

PARAPHARYNGEAL SPACE occupied by the

Answer 14

carotid vessels,
Internal jugular vein,
Deep cervical lymph nodes,
The last four cranial nerves and
Cervical sympathetic trunk.