DENT1068: Midterm Review

What is the purpose of the skull?

• a) surround & protect the brain

• b) participate in the growth process of the jaws

• c) determine the relationship of the teeth

• d) form facial skeleton

• e) all of the above

Which bone forms the upper jaw, roof of the oral cavity, and part of the floor of the orbital cavity?

• a) mandible

• b) vomer

• c) maxilla

• d) sphenoid

How many processes does the maxilla have?

• a) 3

• b) 6

• c) 4

• d) none of the above

The lingula is a small projection of bone that partially covers the opening of the mandibular foramen; It is the point of attachment for the sphenomandibular ligament.

• a) both statements are true

• b) only statement one is true

• c) both statements are false

• d) only statement two is true

Which of the paranasal sinuses is the largest?

• a) ethmoid sinus

• b) maxillary sinus

• c) frontal sinus

• d) sphenoid sinus

Which muscle is the most powerful muscle of mastication?

• a) masseter

• b) lateral pterygoid

• c) temporalis

• d) medial pterygoid

Which muscle is categorized as a muscle of facial expression, but primarily functions in mastication?

• a) masseter

• b) rosorius

• c) buccinator

• d) mentalis

What is the correct sequence for swallowing?

1 - vocal chords and epiglottis close to prevent choking

2 - pharyngeal muscles squeeze food down into laryngeal pharynx

3 - soft palate rises to seal nose from pharynx by pressing against the posterior pharyngeal wall

4 - tongue pushes food back to posterior of mouth

5 - esophagus opens to let food past down into the stomach

• a) 1, 2, 3, 4, 5

• b) 5, 4, 3, 2, 1

• c) 2, 4, 5, 3, 1

• d) 4, 3, 2, 1, 5

There are four pairs of paranasal sinuses? How many of each are there?

• a) 2 frontal sinuses, 1 sphenoid sinus, 2 ethmoid sinuses, 1 maxillary sinus

• b) 2 frontal sinuses, 2 sphenoid sinuses, 2 ethmoid sinuses, 2 maxillary sinuses

• c) 1 frontal sinus, 2 sphenoid sinuses, 2 ethmoid sinuses, 2 maxillary sinuses

• d) none of the above

Origin is the attachment site that does move during contraction; Insertion is the attachment side that does not move during contraction.

• a) both statements are true

• b) first statement is true, second statement is false

• c) first statement is false, second statement is true

• d) both statements are false