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Which of the following bony features listed does NOT serve as an opening in bone?
Foramen
Canal
Sulcus
Fissure
Sulcus
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Which of the following bones listed is the ONLY movable bone of the skull?
Hyoid bone
Mandible
Palatine
Vomer
Mandible
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The squamosal suture is BEST observed
from which view of the skull?
Anterior view
Inferior view
Lateral view
Superior view
Lateral view
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On the petrous part of the temporal bone, inferior and medial to the external acoustic meatus, is a long pointed bony projection, the _________________, a structure that serves for the attachment of tongue and pharyngeal muscles and ligaments.
Styloid process
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Which of the following openings within the orbit connect the orbit with the cranial cavity?
Cribriform plate
Infraorbital foramen
Inferior orbital fissure
Superior orbital fissure
Superior orbital fissureThe superior orbital fissure is a slitlike opening between the lesserand greater wings of the sphenoid and serves as a passageway for blood vesselsand nerves from the cranial cavity into the orbit thus connecting the two
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Match the skull bone(s) that form the superior wall, medial wall, lateral wall, and the base of the skull's orbit.
Zygomatic and sphenoid bones
Ethmoid and lacrimal bones
Sphenoid and Palantine bones
Frontal Bone
lateral wall
base
superior wall
medial wall
- lateral wall
- medial wall
- base
- superior wall
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Through which of the following openings
in the skull does the twelfth cranial nerve pass?
Internal acoustic meatus
Foramen rotundum
Foramen spinosum
Hypoglossal canal
Hypoglossal canal
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Why is the pterygoid process of the sphenoid bone an important feature of the skull to the dental professionals?
Serves as an attachment for the muscles of mastication
Serves as an attachment for muscles involved in swallowing
Serves as a landmark observed on maxillary posterior periapical radiographs
Serves as a landmark observed on mandibular posterior periapical radiographs
Serves as an attachment for the muscles of mastication
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Which of the following skull bones are
considered to be paired cranial bones?
Maxillary bones
Temporal bones
Lacrimal bones
Zygomatic bones
Temporal bones
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How does the mandibular condyle move in
relationship to the temporal bone?
Articular eminence
Coronoid notch
Articular fossa
Mandibular fossa
Articular fossa
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Where is the pterygoid process of the
skull located?
Inferior to the greater wing of the sphenoid bone
Posterior to the greater wing of the sphenoid bone
Anterior to the greater wing of the sphenoid bone
Anterior to the body of the sphenoid bone
Inferior to the greater wing of the sphenoid bone
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What are the three projecting structures that create the lateral walls of the nasal cavity and which extend inward from the maxillae?
superior conchae, middle conchae and inferior conchae
the crista galli, cribiform plate, and the perpenditcular plate
the lesser wing, greater wing and the pterygoid process
the lateral pterygoid plate, the pterygoid fossa, the medial pterygoid plate
superior conchae, middle conchae and inferior conchae
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Which of the following is the location of the articulation of the parietal bone and the occipital bone?
Coronal suture
Squamosal suture
Sagittal suture
Lamboidal suture
Lamboidal suture
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The cribifom plate is located on the superior aspect of the ____________ and is perforated by several foramina to allow for the passage of ______________ .
- ethmoid bone
- olfactory nerves
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The body of the sphenoid bone has three paired processes projecting from it:
- the lesser wing
- the greater wing
- the pterygoid process
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MULTIPLE ANSERS POSSIBLE
From the following list of structures, select which structures are associated with the nasal cavity.
Nasion
conchae
Meatus
Fissure
Canal
nasion, conchae, meatus
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MULTIPLE RESPONSES POSSILBE
Which of the following external foramina can be observed from both the inferior and superior aspects of the skull?
Hypoglossal canal
Foramen ovale
Foramen spinosum
Stylomastoid foramen
Hypoglossal canal, Foramen ovale, Foramen spinosum
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MULTIPLE RESP POSSIBLE
The larger anterior oval opening on the
sphenoid bone is the foramen ovale for:
the opthalmic nerve
the maxillary nerve
the mandibular nerve
the middle meningeal artery
a division of the trigeminal nerve
- the mandibular nerve
- a division of the trigeminal nerve
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MULTIPLE RESONSES POSSIBLE
From the following list of structures,
select which structures are associated with the occipital bone.
Condyle
Tubercle
Notch
Glabella
Eminence
Condyle, Tubercle, Notch
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From the following list of structures,
select which structures are associated with the frontal bone.
Condyle
Tubercle
Notch
Glabella
Eminence
Notch, Glabella, Eminence
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From the following list of structures,
select which structures are associated with the tympanic part of the temporal bone.
external acoustic meatus
mastoid process
pterotympanic fissure
articular fossa
- external acoustic meatus
- pterotympanic fissure
- articular fossa
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From the following list of skull bones,
select which skull bones articulate with the ethmoid bone.
Frontal bone
Sphenoid bone
Lacrimal bones
Occipital bones
Parietal bones
Frontal bone, Sphenoid bone, Lacrimal bones
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From the following list of structures, select which structures are associated with the petrous part of the temporal bone.
Articular fossa
Postglenoid fossa
External acoustic meatus
Mastoid process
Carotid canal
carotid canal, Mastoid process
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What is the six letter mnemonic that
should remind you of the cranial bones?
PEST OF 6
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Describe the supraorbital notch, and its location, as well as the two structures that pass through it and where they travel to:
The supraorbital notch is located onthe medial part of the surpaorbital ridge and is where the supraorbital arteryand nerve travel from the orbit to the forehead
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After the seventh cranial nerve travels through the petrous part of the temporal bone, through which opening does it exit onto the face?
External auditory meatus
Jugular notch
Foramen spinosum
Stylomastoid foramen
Stylomastoid foramen
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