Oral Cavity Quiz

The oral cavity is separated from the nasal cavities by which of the following structures?

• Oropharyngeal isthmus

• Oral fissure

• Hard and soft palates

• Lips and cheeks

• Teeth and tongue

Which structure marks the superior boundary of the oral cavity?

• Dorsum of the tongue

• Lips

• Palatoglossal folds

• Soft palate

• Oropharynx

Which nerve supplies the intrinsic muscles of the tongue?

• Facial nerve

• Glossopharyngeal nerve
  
  

• Hypoglossal nerve
  

• Pharyngeal plexus

• Vagus nerve

: Ankyloglossia, commonly known as tongue-tie, is caused by which of the following?

• A short palate

• A large frenulum

• An underdeveloped tongue

• A weak hypoglossal nerve

• A small oral cavity

The soft palate is located:

• In the floor of the nasal cavity

• Anterior to the hard palate

• Posterior to the hard palate

• Between the nasal cavity and oral fissure

• At the base of the tongue

Which of the following arteries is a branch of the external carotid artery and supplies the palate?

• Sphenopalatine artery

• Ascending palatine artery

• Greater palatine artery

• Lesser palatine artery

• Ascending pharyngeal artery

Which specialized cells are responsible for the formation of cementum?

• Odontoblasts

• Ameloblasts

• Cementoblasts

• Osteoblasts

• Fibroblasts

What universal tooth number is the permanent UL central incisor?

• 10

• 8

• 7

• 9

Which tooth number does the red dot indicate?

• 15

• 5

• 4

• 14

Which tooth does the yellow dot indicate?

• #22

• #8

• #26

• #11