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70 Cards in this Set

  • Front
  • Back
How many cranial bones are there?
8
How many facial bones are there?
14
What are the calvarium bones?
Frontal
Right & left parietal
Occipital
What are the cranial floor bones?
Right & left temporal
Sphenoid
Ethmoid
What bone forms the superior part of each orbit?
Frontal bone
What are the two parts of the frontal bone?
Squamous (vertical) portion
Orbital (horizontal) portion
What is the glabella?
Smooth raised prominence between eyebrows
What is the supraorbital groove?
Groove above each eyebrow
Corresponts with the floor of the anterior fossa
What is the supraorbital margin?
Superior rim of each orbit
What is the supraorbital notch?
Foramen in the SOM that allows the passage of the supraorbital nerve
Where is the frontal tuberosity?
On each side of the squamous portion of the frontal bone.
What separates the orbital plates?
Ethmoidal notch
What bones articulate with the frontal bone?
Left and Right parietal bones
Ethmoid bone
Sphenoid bone
What bones do the parietal bones articulate with?
Frontal bone
Occipital bone
Temporal bone
Sphenoid bone
Opposite parietal bone
The rounded portion of the occipital bone is called the:
Squamous portion
What is the large opening at the base of the occipital bone called?
Foramen magnum
Spinal cord passes through it
What do the occipital condyles do?
Articulate with the atlas
What bones articulate with the occipital bone?
Right & left parietal bones
Right & left temporal bones
Sphenoid
Atlas
What is the styloid process?
Slender bony projection of the temporal bone projection posteriorly to the mandible, but anterior to the exterior auditory meatus
What are the 3 primary parts of the temporal bone?
Squamous portion - upper part, forms part of the skull
Mastoid portion - posterior to EAM, air cells
Petrous portion - houses organs of hearing & ballance
What landmark represents the highest level of the facial bone mass?
Orbital plates
The widest portion of the cranium is found at the level of the:
Parietal tubercles
What is the name of the joint formed between lateral condylar process of the skull and the superior articular process of C1?
Atlanto-occipital joint
What cranial bone articulates with all other cranial bones?
Sphenoid
The slight depression above each eyebrow is called the:
Supraorbital groove
The left mastoid fontanel become what structure in the adult?
Left asterion
How many fontanels are in the infant
6
Anterior
Posterior
Left & right sphenoid
Left & right mastoid
What external landmark corresponds with the petrous ridge?
Top of the ear attachment (TEA)
The pituitary gland (hypophysis) is protected by which cranial bone?
Sphenoid
The cribiform plate is found in which cranial bone?
Ethmoid
Which suture separates the parietal from the occipital bone?
Lamboidal
Which suture separates the parietal from the temporal bone?
Squamosal
What structure in the adult corresponds to the anterior fontanel in the neonate?
Bregma
Small irregular bones found in the sutures are called:
Wormian bones
The ethmoid notch is part of which bone?
Frontal
Which fontanel is the last to close in the child?
Anterior
Which of the following is NOT a facial bone?
A. Middle nasal conchae
B. Vomer
C. Lacrimal bone
D. Mandible
Middle nasal conchae
What is the largest immovable bone of the face?
Maxilla
Name the 4 processes of the maxilla:
Frontal
Zygomatic
Palatine
Alveolar
What tissue landmark is found at the base of the anterior nasal spine?
Acanthion
What is the name of the frontal point of the nasofrontal suture?
Nasion
Which facial bones form the posterior aspect of the hard palate?
Palatine bones
Which two facial bones articulate with the maxilla?
Frontal
Ethmoid
Which of the following does NOT articulate with the zygomatic bone?
A. Temporal
B. Maxilla
C. Frontal
D. Sphenoid
Sphenoid
Which facial bone is associated with the tear ducts?
Lacrimal
Another name for the nasal conchae is the:
Nasal turbinates
(T/F)
The majority of the nose is made up of the nasal bones?
False
Most is cartilage
A deviated nasal septum is most likely to occur at the junction of:
Nasal cartilage and vomer
The drainage pathway for the paranasal sinuses is called:
A. Uncinate process
B. Ostiomeatal complex
C. Paranasal meatus
D. Lateral masses
Ostiomeatal complex
The small cartilagenous flap covering the ear opening is called the:
Tragus
What line is used in positioning to ensure that the skull is in a true lateral position?
Interpupillary line
The lateral junction of the eyelid is called the:
Outer canthus
What landmark corresponds to the highest level of the facial bone mass?
Supraorbital groove
What is the aurcular point?
Center point of the EAM
What is the name of the line connecting the midlateral orbital margin and the EAM?
OML
(Orbitomeatal line)
What is the name of the fracture that commonly presents as an air-fluid level in the sphenoid sinus?
Basal skull fracture
What type of tumor may produce erosion of the sella turcica
Pituitary adenoma
What disease is also known as osteitis deformans
Paget's disease
What bone tumor originates in the bone marrow?
Multiple myeloma
What is another name of a 'ping-pong' fracture?
Depressed skull fracture
Which cranial bone is best demonstrated with an AP axial (Towne method) projection of the skull?
Occipital
Which clinical indication may require an increase in manual exposure factors?
Paget's disease
Which imaging modality is most commonly performed to evaluate patients with Alzeheimer's disease?
NM
Which imaging modality is most commonly performed to evaluate a neonate with possible intracranial hemorrhage?
US
When using the Towne method, which positioning line should be perpendicular to the image receptor?
OML
A properly positioned Towne method projection should place the dorsum sellae into the middel aspect of the:
A. Orbits
B. Clivus
C. Foramen Magnum
D. Anterior arch of C1
Foramen magnum
A lack of symmetry of the petrous ridges indicates which of the following problems with an AP axial projection?
A. Tilt
B. Central ray angle
C. Flexion or extension
D. Rotation
Rotation
What evidence on the Towne method projection indicates whether the correct CR angle and correct head flexion were used?
Dorsum sellae and posterior clinoids should be projected into the foramen magnum
What CR angle should be used for the PA axial (Haas method) projection?
25 degrees cephalad
Where will the petrous ridges be projected with a Caldwell projection?
Lower one-third of the orbits