case 1 anatomy

Question 1

Name the 3 types of oral mucosa

Answer 1

Masticatory,Lining,Specialised

Question 2

Epithelium of masticatory mucosa

Answer 2

Keratinised stratified squamous

Question 3

Epithelium of lining mucosa

Answer 3

Non-keratinised stratified squamous

Question 4

Which bones make up hard palate?

Answer 4

Maxilla and palatine bones

Question 5

What does soft palate consist of ?

Answer 5

Soft palatine muscles and uvula

Question 6

Which nerve passes through incisive foramen?

Answer 6

Nasopalatine nerve

Question 7

Which Muscle forms the floor of the mouth?

Answer 7

Genohyoid muscle

Question 8

What opens into the mouth at the sublingual papillae?

Answer 8

Submandibular ducts

Question 9

What structure underlies each sublingual fold?

Answer 9

Sublingual ducts

Question 10

What is foramen caecum?

Answer 10

Embryonic remnant of thyroid gland

Question 11

Function of circumvalate papillae

Answer 11

Taste

Question 12

Function of fungi form papillae

Answer 12

Taste

Question 13

Function of foliate papillae

Answer 13

Taste

Question 14

Function of filiform papillae

Answer 14

Touch

Question 15

Which nerve carries general sensation of anterior 2/3 of tongue

Answer 15

Trigeminal

Question 16

Which nerve carries taste sensation of anterior 2/3 of tongue

Answer 16

Facial

Question 17

Which nerve carries general sensation of posterior 1/3 of tongue

Answer 17

Glossopharyngeal

Question 18

Which nerve carries taste sensation of posterior 1/3 of tongue

Answer 18

Glossopharyngeal

Question 19

Which cranial nerve innervates the muscles of the tongue

Answer 19

Hypoglossal

Question 20

Where does parotid duct open into in the mouth?

Answer 20

2nd upper molar teeth

Question 21

Which duct is most prone to infections and why?

Answer 21

Submandibular - duct has to go around the mylohyoid to reach sublingual papillae - because of the bend

Question 22

Parasympathetical innervation to parotid

Answer 22

CN IX

Question 23

Parasympathetical innervation to sublingual and submandibular

Answer 23

CN VII

Question 24

Which arteries supply the oral cavity?

Answer 24

External carotid –> facial, lingual, maxillary

Question 25

Lymph from oral cavity drain into

Answer 25

Submental, submandibular, deep cervical lymph nodes

Question 26

Lymph from Submental, submandibular, deep cervical lymph nodes drain into

Answer 26

Jugular lymphatic trunk ?? internal jugular vein /thoracic duct

Question 27

What are the muscles of mastication

Answer 27

masseter, temporalis, medial pterygoid, and lateral pterygoid

Question 28

Which nerve provides motor innervation to the muscles of mastication

Answer 28

Trigeminal

Question 29

Which nerve supplies sensory innervation to pharynx

Answer 29

Glossopharyngeal

Question 30

Which nerve supplies motor innervation to pharynx

Answer 30

Vagus

Question 31

At which vertebral level does oesophagus begin?

Answer 31

C6