Banks MC Questions (Final)

Which cranial nerve provides sensory innervation to the teeth?

A) CN V

B) CN VII

C) CN IX

D) CN XII

A

Which division of the trigeminal nerve supplies maxillary teeth?

A) V1

B) V2

C) V3

D) VII

B

Which division of the trigeminal nerve supplies mandibular teeth?

A) V1

B) V2

C) V3

D) IX

C

The inferior alveolar nerve enters the mandible through the:

A) Mental foramen

B) Mandibular foramen

C) Infraorbital foramen

D) Incisive canal

B

The mental nerve exits the mandible through the:

A) Mandibular canal

B) Mental foramen

C) Greater palatine canal

D) Infraorbital canal

B

Which nerve continues anteriorly after the mental nerve branches?

A) Lingual nerve

B) Incisive nerve

C) Buccal nerve

D) Auriculotemporal nerve

B

Which nerve supplies maxillary molars?

A) Middle superior alveolar

B) Posterior superior alveolar

C) Anterior superior alveolar

D) Nasopalatine

B

Which nerve supplies maxillary premolars?

A) Posterior superior alveolar

B) Middle superior alveolar

C) Anterior superior alveolar

D) Lingual nerve

B

Which nerve supplies maxillary incisors and canines?

A) Posterior superior alveolar

B) Middle superior alveolar

C) Anterior superior alveolar

D) Buccal nerve

C

Which nerve supplies lingual gingiva of mandibular teeth?

A) Lingual nerve

B) Buccal nerve

C) Mental nerve

D) Infraorbital nerve

A

Which nerve supplies buccal gingiva of mandibular molars?

A) Lingual nerve

B) Buccal nerve

C) Mental nerve

D) Nasopalatine

B

The floor of the nasal cavity is formed by the:

A) Hard palate

B) Maxillary sinus

C) Ethmoid bone

D) Frontal bone

A

The anterior 2/3 of the nasal floor is formed by the:

A) Maxilla

B) Palatine bone

C) Ethmoid bone

D) Lacrimal bone

A

The posterior 1/3 of the nasal floor is formed by the:

A) Palatine bone

B) Maxilla

C) Ethmoid

D) Frontal bone

A

Which bone forms the cribriform plate?

A) Ethmoid

B) Maxilla

C) Sphenoid

D) Palatine

A

The inferior nasal concha is:

A) Part of ethmoid

B) Separate bone

C) Part of maxilla

D) Part of sphenoid

B

Superior and middle nasal conchae are extensions of:

A) Maxilla

B) Ethmoid

C) Palatine

D) Lacrimal

B

The space below each concha is called the:

A) Canal

B) Sinus

C) Meatus

D) Recess

C

The sphenoid sinus drains into the:

A) Inferior meatus

B) Middle meatus

C) Superior meatus

D) Sphenoethmoidal recess

D

The maxillary sinus drains into the:

A) Superior meatus

B) Middle meatus

C) Inferior meatus

D) Nasal recess

B

The nasolacrimal duct drains into the:

A) Inferior meatus

B) Middle meatus

C) Superior meatus

D) Sphenoethmoidal recess

A

Which artery supplies most of the nasal cavity?

A) Facial artery

B) Sphenopalatine artery

C) Lingual artery

D) Infraorbital artery

B

The anterior ethmoidal artery arises from the:

A) Facial artery

B) Maxillary artery

C) Ophthalmic artery

D) Lingual artery

C

The pterygopalatine fossa communicates with the orbit through the:

A) Inferior orbital fissure

B) Foramen rotundum

C) Greater palatine canal

D) Sphenopalatine foramen

A

The pterygopalatine fossa communicates with the nasal cavity through:

A) Foramen rotundum

B) Sphenopalatine foramen

C) Inferior orbital fissure

D) Palatovaginal canal

B

The maxillary nerve enters the pterygopalatine fossa via:

A) Foramen ovale

B) Foramen rotundum

C) Inferior orbital fissure

D) Pterygoid canal

B

How many total branches does the maxillary nerve have?

A) 12

B) 15

C) 17

D) 20

C

Which nerve supplies the hard palate anterior region?

A) Nasopalatine nerve

B) Greater palatine nerve

C) Lesser palatine nerve

D) Infraorbital nerve

A

Which nerve supplies most of the hard palate?

A) Nasopalatine

B) Greater palatine

C) Lesser palatine

D) Zygomatic

B

Which nerve supplies the soft palate?

A) Nasopalatine

B) Greater palatine

C) Lesser palatine

D) Infraorbital

C

The nerve of the pterygoid canal is formed by:

A) Lingual + hypoglossal

B) Greater petrosal + deep petrosal

C) Infraorbital + zygomatic

D) Glossopharyngeal + vagus

B

Which fibers does the greater petrosal nerve carry?

A) Sympathetic

B) Parasympathetic

C) Motor

D) Sensory

B

Which fibers does the deep petrosal nerve carry?

A) Parasympathetic

B) Sympathetic

C) Motor

D) Sensory

B

The third part of the maxillary artery lies in the:

A) Nasal cavity

B) Infratemporal fossa

C) Pterygopalatine fossa

D) Temporal fossa

C

The terminal branch of the maxillary artery is the:

A) Descending palatine artery

B) Infraorbital artery

C) Sphenopalatine artery

D) Posterior superior alveolar artery

C

Structures of the face develop around the:

A) Nasal pit

B) Stomodeal depression

C) Pharyngeal pouch

D) Buccal cavity

B

The nasal pits form the:

A) Nasal septum

B) Nasal passages

C) Sinuses

D) Hard palate

B

Rupture of the oronasal membrane forms the:

A) Nasal septum

B) Primitive choana

C) Secondary palate

D) Maxillary sinus

B

Palatal shelves arise from:

A) Mandibular prominences

B) Maxillary prominences

C) Nasal pits

D) Pharyngeal pouches

B

Palatal shelves initially grow in a:

A) Horizontal orientation

B) Vertical orientation

C) Circular orientation

D) Posterior orientation

B

Rotation of palatal shelves is driven by:

A) Collagen

B) Hyaluronic acid

C) Elastin

D) Keratin

B

Fusion of palatal shelves forms the:

A) Primary palate

B) Secondary palate

C) Nasal septum

D) Tongue

B

The palate develops from how many primordia?

A) 2

B) 3

C) 4

D) 5

B

The premaxillary segment forms the:

A) Secondary palate

B) Primary palate

C) Soft palate

D) Nasal septum

B

Which teeth develop from the premaxillary segment?

A) Canines

B) Premolars

C) Four incisors

D) Molars

C

The most common cleft lip presentation is:

A) Bilateral

B) Right unilateral

C) Left unilateral

D) Median cleft

C

Cleft palate always disrupts which tooth region?

A) Central incisor

B) Lateral incisor

C) Canine

D) First premolar

B

At birth the facial skeleton to cranial vault ratio is:

A) 1:2

B) 1:4

C) 1:7

D) 1:10

C

Which sinus begins development first?

A) Frontal

B) Maxillary

C) Ethmoid

D) Sphenoid

B

Which sinus begins around month 5?

A) Maxillary

B) Ethmoid

C) Frontal

D) Sphenoid

B

Which sinus is not fully formed until about age 5-6?

A) Maxillary

B) Ethmoid

C) Frontal

D) Sphenoid

C

The first pharyngeal cleft forms the:

A) Tympanic cavity

B) External acoustic meatus

C) Nasal cavity

D) Tongue

B

The first pharyngeal pouch forms the:

A) Tympanic cavity

B) Nasal cavity

C) Oral cavity

D) Maxillary sinus

A

Persistence of the lateral cervical sinus forms a:

A) Branchial cyst

B) Thyroid cyst

C) Sinus infection

D) Oral cyst

A

The median tongue bud is called the:

A) Copula

B) Tuberculum impar

C) Hypobranchial eminence

D) Lingual swelling

B

The anterior two thirds of the tongue arise from:

A) First arch

B) Second arch

C) Third arch

D) Fourth arch

A

The posterior one third of the tongue arises mainly from:

A) First arch

B) Second arch

C) Third arch

D) Fourth arch

C

Failure of lingual frenulum regression causes:

A) Macroglossia

B) Glossitis

C) Ankyloglossia

D) Dysphagia

C

The terminal sulcus separates contributions from which arches?

A) First and second

B) First and third

C) Second and third

D) Third and fourth

B

Motor innervation of the tongue is via:

A) CN V

B) CN VII

C) CN IX

D) CN XII

D

Which muscle of the tongue is NOT innervated by CN XII?

A) Genioglossus

B) Hyoglossus

C) Styloglossus

D) Palatoglossus

D