Tongue

Question 1

foramen cecum

Answer 1

it is an embryological remnant and marks the site of the upper end of thyroglossal duct

Question 2

types of papillae present on the anterior 2/3 of tongue

Answer 2

filiform papillae
fungiform papillae
vallate papillae (along side sulcus terminalis)

Question 3

mucuous membrane covering the posterior 1/3 has an irregular surface due to the presence of

Answer 3

underlying lingual tonsils

Question 4

which structure is present lateral to lingual frenulum

Answer 4

deep lingual vein

Question 5

mucous membrane fold lateral to the lingual vein forms which structure

Answer 5

plica fimbriata

Question 6

except plattoglossus all tongue muscles are supplied by which nerve

Answer 6

hypoglossal nerve

Question 7

plattoglossus is supplied by which nerve?

Answer 7

vagus fibers in pharyngeal plexus

Question 8

protrusion of tongue is done by which muscle?

Answer 8

genioglossus

Question 9

retraction of tongue is done by which muscle?

Answer 9

styloglossus and hyoglossus

Question 10

what are the intrinsic muscles of tongue?

Answer 10

longitudinal transverse and vertical

-they alter shape of tongue

Question 11

action of plattoglossus

Answer 11

pulls root of the tongue upward and backward

narrows oropharyngeal isthmus

Question 12

depression of tongue is done by which muscle?

Answer 12

hyoglossus

Question 13

retraction and elevation of posterior third of tongue is done by which muscle?

Answer 13

styloglossus and palatoglossus

Question 14

arterial supply of tongue

Answer 14

• lingual artery
• tonsillar branch of facial artery
• ascending pharyngeal artery

Question 15

veinous drainage of tongue goes into

Answer 15

internal jugular vein

Question 16

lymph from the tip of tongue drains into

Answer 16

submental lymph nodes

Question 17

lymph from the sides of anterior 2/3 of tongue drains into

Answer 17

submandibular and deep cervical lymph nodes

Question 18

lymph from the sides of posterior 1/3 of tongue drains into

Answer 18

deep cervical lymph nodes

Question 19

sensory innervation of anterior 2/3 of tongue

Answer 19

lingual branch of mandibular division of trigerminal nerve (general sensation)

Question 20

sensory innervation of posterio 1/3 of tongue

Answer 20

glossopharyngeal nerve (gen sensation and taste)

Question 21

hypoglossal nerve testing

Answer 21

patient is asked to protrude tongue, deviation of tip indicates lesion of the nerve on the side to which deviation occurs, that is the ipsilateral nerve