Netter's MCQs Chapter 13: Oral Cavity

Question 1

Which divides the vestibule from the oral cavity proper?

a: lips
b: teeth
c: cheeks
d: tongue

Answer 1

b: teeth

Question 2

The upper and lower lips meet at which location?

a: philtrum
b: frenulum
c: vestibule
d: commissure

Answer 2

d: commissure

Question 3

Which is also called the ‘red zone’?

a: philtrum
b: vestibule
c: vermilion zone
d: vermilion border

Answer 3

c: vermilion zone

Question 4

Which type of epithelium lines the cheeks?

a: simple cuboidal
b: simple squamous
c: stratified cuboidal
d: stratified squamous

Answer 4

d: stratified squamous

Question 5

Which artery is the immediate source of the mental artery?

a: facial
b: maxillary
c: infraorbital
d: inferior alveolar

Answer 5

d: inferior alveolar

Question 6

The upper lip is supplied by the superior labial branch of the infraorbital artery and which other artery?

a: mental
b: buccal
c: inferior labial branch of the facial
d: superior labial branch of the facial

Answer 6

d: superior labial branch of the facial

Question 7

Which vein drains both the lower lips and the chin?

a: mental
b: buccal
c: inferior labial branch of the facial
d: superior labial branch of the facial

Answer 7

a: mental

Question 8

Which cranial nerve supplies all motor innervation to the muscles of facial expression?

a: facial
b: trochlear
c: abducens
d: trigeminal

Answer 8

a: facial

Question 9

All sensory innervation to the skin of the lips, chin and cheeks is from which cranial nerve?

a: facial
b: trochlear
c: trigeminal
d: glossopharyngeal

Answer 9

c: trigeminal

Question 10

Which nerve supplies the mandibular molar gingiva?

a: mental
b: inferior alveolar
c: buccal branch of trigeminal
d: superior labial branch of infraorbital

Answer 10

c: buccal branch of trigeminal

Question 11

The hard palate forms which boundary for the oral cavity?

a: lateral
b: inferior
c: superior
d: posterosuperior

Answer 11

c: superior

Question 12

Which opening is located in the anterior midline of the hard palate?

a: mental foramen
b: incisive foramen
c: lesser palatine foramen
d: greater palatine foramen

Answer 12

b: incisive foramen

Question 13

The soft palate makes up which amount of the entire palate?

a: 14
b: 13
c: 12
d: 23

Answer 13

b: 13

Question 14

Which muscle does NOT comprise the soft palate?

a: palatopharyngeus
b: musculus uvulae
c: levator veli palatini
d: superior pharyngeal constrictor

Answer 14

d: superior pharyngeal constrictor

Question 15

The palatoglossus muscles elevates the

a: uvula
b: tongue
c: pharynx
d: soft palate

Answer 15

b: tongue

Question 16

Which is the inferior border of the cheek?

a: labial commissure
b: maxillary vestibule
c: mandibular vestibule
d: pterygomandibular raphe

Answer 16

c: mandibular vestibule

Question 17

Which is the first permanent tooth to erupt?

a: maxillary 1st molar
b: mandibular 1st molar
c: maxillary central incisor
d: mandibular central incisor

Answer 17

b: mandibular 1st molar

Question 18

Which is also called the cementoenamel junction?

a: cingulum
b: root apex
c: pulp cavity
d: cervical line

Answer 18

d: cervical line

Question 19

Which branch of the maxillary artery supplies the mandibular arch?

a: lesser palatine
b: sphenopalatine
c: inferior alveolar
d: posterior superior alveolar

Answer 19

c: inferior alveolar

Question 20

Which artery supplies the submandibular salivary gland?

a: facial
b: lingual
c: ascending pharyngeal
d: ascending palatine

Answer 20

a: facial

Question 21

Which vein of the oral cavity does NOT drain into the pterygoid plexus of veins?

a: submental
b: greater palatine
c: inferior alveolar
d: anterior superior alveolar

Answer 21

a: submental

Question 22

Sensory innervation to the oral cavity is from the mandibular division of the trigeminal nerve and which other nerve?

a: optic
b: hypoglossal
c: maxillary division of the trigeminal
d: ophthalmic division of the trigeminal

Answer 22

c: maxillary division of the trigeminal

Question 23

Which nerve supplies the anterior teeth of the maxillary arch?

a: inferior alveolar
b: middle superior alveolar
c: anterior superior alveolar
d: posterior superior alveolar

Answer 23

c: anterior superior alveolar

Question 24

Which nerve supplies the facial gingiva and mucosa of the anterior mandibular teeth?

a: mental
b: lingual
c: incisive
d: inferior alveolar

Answer 24

a: mental