Anatomy

Question 1

What are the two processes of the temporal bone called.

Answer 1

Mastoid and styloid process

Question 2

What does the mental nerve supply?

Answer 2

sensory innervation to the anterior territory of the buccal mucosa, lower lip, and the skin of the chin ventral to its foramen

Question 3

Which bones in the cranium have air spaces?

Answer 3

(FEMS)
FRONTAL
ETHMOID
MAXILLA
SPHENOID

Question 4

What is the pteryion?

Answer 4

Where the frontal, temporal and sphenoid bone come together
It is a thin spot in the skull and there is an artery there - if hit by a ball, can rupture an artery and die :(

Question 5

What is the inverted v shaped boundary on the tongue called?

Answer 5

Sulcus terminalis

Question 6

What are the islands of tissue on the anterior part of the tongue called?

Answer 6

Circumvalate papillae

Question 7

What can happen to some individuals who’s palate doesn’t fuse properly during embryological development?

Answer 7

Can get cleft lip or cleft palate

Question 8

Where is the greater and lesser palatine foramen?

Answer 8

On the horizontal plate of palatine bone

Question 9

What are the 4 different bones contributing to the hard palate?

Answer 9

1. Palatine process of the maxilla
2. Horizontal bone of palatine bone

Question 10

Where do the muscles of mastication receive their motor supply from?

Answer 10

Facial nerve

Question 11

What are the divisions of the facial nerve called?

Answer 11

Temporal
Zygomatic
Buccal
Mandibular
Cervical

Question 12

What is Bell’s palsy?

Answer 12

The facial nerve gets inflamed by a virus and it causes facial paralysis?

Question 13

What nerve provides sensory innervation to the face?

Answer 13

The Trigeminal Nerve (cranial nerve 5)

Question 14

What are the 3 divisions of the Trigeminal nerve?

Answer 14

Ophthalmic division nerve
Maxillary division nerve
Mandibular division nerve
V1, V2 and V3

Question 15

What does the carotid artery branch of into?

Answer 15

Inter and external carotid arteries

Question 16

What does the external carotid artery supply?

Answer 16

Blood to the teeth (i.e neck and face)

Question 17

What does the internal carotid artery supply

Answer 17

Brain

Question 18

Through which vessel does blood travel to supply the lower part of the mouth?

Answer 18

External carotid artery —> Maxillary artery —> Inferior alveolar artery

Question 19

What are the main divisions of the external carotid artery?

Answer 19

Maxillary, Facial and Lingual

Question 20

What is the name of the artery that branches off the maxillary artery to the eye called?

Answer 20

Infraorbital artery

Question 21

What does the descending palatine artery supply blood to?

Answer 21

The hard palate/nasal septum

Question 22

What branch of the external carotid artery supplies blood to the soft palate?

Answer 22

Facial artery (ascending palatine artery)

Question 23

What branch of the external carotid artery supplies blood to the hard palate?

Answer 23

Maxillary artery (descending palatine artery)

Question 24

The descending artery branches off to supply the greater palatine artery; what does it supply blood to?

Answer 24

Gingivae of upper teeth AND mucosa of hard palate

Question 25

The ascending artery branches off to the lesser palatine artery; what does it supply blood to?

Answer 25

Soft palate

Question 26

The maxillary artery branches off to the middle meningeal artery; what does it supply blood to?

Answer 26

The skull

Question 27

Why is the pterion susceptible to trauma?

Answer 27

It is a weak/thin part of the skull where the middle meningeal artery is susceptible

Question 28

What is the dura mater and what is its function?

Answer 28

Tough membrane around the brain - it helps to protect it

Question 29

What does the lingual artery supply blood to?

Answer 29

The tongue, structures in the floor of the mouth including lingual gingivae

Question 30

What are the main vessels draining blood for the head and neck?

Answer 30

Internal jugular vein

Question 31

What is the pterygoid plexus?

Answer 31

Network of numerous veins that surround the pterygoid segment of the maxillary artery

Question 32

What does genio mean ?

Answer 32

Chin

Question 33

Which two muscles work systematically to depress the mandible and pull it inwards?

Answer 33

Mylohyoid and geniohyoid

Question 34

What does glossus mean?

Answer 34

Tongue

Question 35

What are the 3 extrinsic muscles of the tongue?

Answer 35

Genioglossus, Hyoglossus, styloglossus

Question 36

Which cranial nerve is hypoglossal

Answer 36

12 (XII)

Question 37

What does the hypoglossal nerve supply?

Answer 37

All intrinsic and extrinsic muscles of the tongue EXCEPT for palatoglossus

Question 38

What nerve innervates the palatoglossus (extrinsic muscle of the teeth)

Answer 38

Cranial nerve x - Vagus Nerve

Question 39

Which nerve supplies the posterior part of the tongue (sensation and taste)?

Answer 39

Glossopharyngeal (Cranial nerve 9)

Question 40

Which nerve supplies the anterior portion of the tongue for taste?

Answer 40

Facial nerve (CN VII)

Question 41

Which nerve supplies the anterior portion of the tongue for sensation?

Answer 41

Trigeminal nerve (CN V)

Question 42

Which nerve supplies the anterior portion of the tongue for movement?

Answer 42

Hypoglossal nerve (CN XII)

Question 43

What are the muscles of mastication?

Answer 43

Temporalis, Masseter, Medial Pterygoid, Lateral Pterygoid

Question 44

What other muscle is involved in mastication but is not classified as a muscle of mastication ?

Answer 44

Diagastric muscle (has two bellies, posterior and anterior)

Question 45

What nerve supplies the muscles of mastication

Answer 45

Trigeminal (CN V) - Mandibular division V3

Question 46

What is a vessel and what are the 3 main vessels in the body?

Answer 46

A tube by which blood circulates through the body. The 3 main vessels are arteries, veins and capillaries.