Kailey Hart
Chapter 3 & 4
Use your book, the PowerPoints, and the Internet to answer the following questions.
1. The tympanic part of the temporal bone forms most of the __ external acoustic meatus
__, a short canal leading to the tympanic cavity that is located posterior to the articular fossa.
2. The __ sella turcica_ is a saddle-shaped depression in the sphenoid bone, with its hypophyseal
fossa holding the pituitary gland.
3. Which of the following muscles is considered a muscle of mastication?
a. Buccinator
b. Risorius
c. Mentalis
d. Masseter
e. Corrugator supercilii
4. The _ Cribriform plate_, visible when viewing the inside of the cranial cavity and present on
the superior aspect of the bone and surrounding the crista galli, is perforated by foramina to
allow the passage of olfactory nerves for the sense of smell.
5. The _ Orbicularis oculi muscle_ encircles the eye to close the eyelid when active as a muscle
of facial expression.
6. Which of the following landmarks serves to locate the hyoid bone during an extraoral
examination on a patient?
a. level of the first cervical vertebra
b. superior and anterior to the thyroid cartilage
c. articulations with the cartilage of the larynx
d. inferior and posterior to the “Adam’s apple”
7. Which of the following structures forms the floor of each maxillary sinus?
a. alveolar process of the maxilla
b. facial wall of the maxilla
c. infratemporal surface of the maxilla
d. lateral wall of the nasal cavity
8. The origin of a muscle is considered to be
a. the starting point of a muscle
b. where the muscle fibers join the bone tendon
c. the muscle end attached to the least movable structure
d. the muscle end attached to the most movable structure.
9. Which of the following features is located on the temporal bone?
a. Superior temporal line
b. Foramen rotundum
c. External acoustic meatus
d. Cribriform plate
e. Orbital plate
10. The sternocleidomastoid muscle passes posteriorly and superiorly to ___insert_____ on the
mastoid process of the temporal bone.
11. Anterior to the articular fossa of the temporal bone is the __ articular tubercle____, and
posterior is the postglenoid process, with the tympanic part separated from the petrous part by
the petrotympanic fissure.
12. In addition to the zygomatic bone, which of the following bones has a process that forms the
other part of the zygomatic arch?
a. Temporal bone
b. Maxillae
c. Sphenoid bone
d. Palatine bone
13. From the anterior view, each __frontal process____ of the maxilla articulates with the frontal
bone and forms the medial orbital rim with the lacrimal bone on its anterior surface.
14. Which of the following bony landmarks form an articulation with each other?
a. Occipital condyles with atlas
b. Occipital condyles with axis
c. Mandibular fossa with coronoid notch
d. Mandibular fossa with coronoid process
15. A ____Foramen/foramina________ is a short windowlike opening in a bone.
16. Which of the following features is located on the lateral surface of the mandible?
a. lingula
b. submandibular fossa
c. genial tubercles
d. external oblique line
e. mandibular foramen
17. Protected by each nasal concha is a channel, the __ nasal meatus_, which directs nasal fluid
posteriorly.
18. Which of the following muscle groups listed below serves to depress the hyoid bone?
a. muscles of mastication
b. suprahyoid muscles
c. infrahyoid muscles
d. intrinsic tongue muscles
e. extrinsic tongue muscles
19. The trapezius muscle is innervated by the eleventh cranial nerve, or the __accessory nerve__,
as well as the third and fourth cervical nerves.
20. In which bone are BOTH the infraorbital foramen and infraorbital canal located?
a. frontal
b. maxillae
c. sphenoid
d. zygomatic
21. Which bone forms BOTH the superior and middle nasal conchae?
a. vomer
b. sphenoid
c. maxilla
d. ethmoid
22. The epicranius muscle has the frontal and occipital __Belly_. When both are active, they
serve to raise the eyebrows and pull the scalp posteriorly as a muscle of facial expression, such
as when a person shows surprise.
23. Which part or section of the temporal bone is involved in the temporomandibular joint?
a. squamous
b. tympanic
c. petrous
d. mastoid
24. Which of the following bones forms the jugular foramen along with the jugular notch of the
temporal bone?
a. occipital bone
b. mandible
c. parietal
d. sphenoid
25. Which of the following structures is located or travels within the infratemporal fossa?
a. masseter muscle
b. pterygopalatine ganglion
c. posterior superior alveolar artery
d. maxillary division of the fifth cranial nerve
26. Both heads of the masseter muscle pass inferiorly to insert on different parts of the external
surface of the _______Ramus___.
27. Which of the following muscle pairs is divided by a median septum?
a. geniohyoid
b. masseter
c. digastric
d. transverse
e. vertical
28. The superior head of the lateral pterygoid muscle originates from the infratemporal surface
and infratemporal crest of the greater wing of the __sphenoid bone___ and passes inferiorly to
insert on the anterior margin of both the temporomandibular joint disc and capsule; the inferior
head originates from the lateral surface of the lateral pterygoid plate of the same bone and inserts
on the anterior surface of the neck of the mandible at the pterygoid fovea.
29. The concavity noted on the anterior border of the coronoid process of the mandibular ramus
is the
a. mandibular notch
b. coronoid notch
c. temporal fossa
d. infratemporal fossa
30. Which of the following processes is located just inferior and medial to the external acoustic
meatus?
a. pterygoid process
b. styloid process
c. mastoid process
d. hamulus
31. Which of the following bones and their processes form the hard palate?
a. maxillary processes of the maxillae and horizontal plates of the palatine bones
b. palatal processes of the maxillae and maxillary plates of the palatine bones
c. horizontal plates of the palatine bones and palatine processes of the maxillae
d. maxillary plates of the palatine bones and horizontal processes of the maxillae
32. Which of the following bony plates is perforated to allow the passage of the olfactory nerves
for the sense of smell?
a. medial plate of the sphenoid bone
b. lateral plate of the sphenoid bone
c. perpendicular plate of the ethmoid bone
d. cribriform plate of the ethmoid bone
33. The geniohyoid muscle originates from the medial surface of the mandible, near the
mandibular symphysis at the genial tubercles____.
34. The inferior pharyngeal constrictor muscle originates from both the thyroid cartilage and
cricoid cartilage of the _larynx____.