Skull Flashcards
What are the 2 paired cranial bones?
Parietal and Temporal Bs.
Of the 14 facial bones, what 2 are unpaired?
Vomer
Mandible
Name the thinnest part of the skull and the structure immediately deep to it
Pterion
Middle Meningeal A.
Following surgery, the best healing occurs when the flap encorporates which of the following?
A. Skin and Muscle
B. Skin, muscle, and fascia
C. superficial tissues
D. None of the above
Skin, muscle, and fascia
Which of the following sutures is the articulation between Frontal and both Parietal Bones?
A. Sagittal
B. Lambdoid
C. Coronal
D. Squamous
Coronal
Which of the following sutures is the articulation between both parietal bones?
A. Sagittal
B. Lambdoid
C. Coronal
D. Squamous
Sagittal
Which of the following sutures is the articulation between parietal and occipital bones?
A. Sagittal
B. Lambdoid
C. Coronal
D. Squamous
Lambdoid
Which of the following sutures is the articulation between temporal and parietal bones?
A. Sagittal
B. Lambdoid
C. Coronal
D. Squamous
Squamous
When nodding yes, the occipital condyles articulate with the _________ vertebrae
Cervical
Which of the following bones unites the cranial and fracial bones, nearly articulating with almost every bone in the skull?
A. Ethmoid
B. Vomer
C. Sphenoid
D. Frontal
Sphenoid
Also remember that the sphenoid B. contains the sphenoid sinus
The Crista Galli found on the Ethmoid bone is responsible for attaching which of the following?
A. Falx Cerebelli
B. Diaphragma Sellae
C. Falx Cerebri
D. Tentorum Cerebelli
Falx Cerebri
Name the EXIT point for the following neurovasculature:
Maxillary Branch of CN V
Mandibular Branch CN V
Middle Meningeal A.
Foramen Rotundum: Maxillary Branch of CN V
Foramen Ovale: Mandibular Branch CN V
Foramen Spinosum: Middle Meningeal A.
The Sella Turcic aka the “Turkish Saddle” is the cranial depression on the superior portion of the sphenoid b. What sits on this saddle?
Pituitary gland
Which of the following structures of the Ethmoid B. forms the medial wall of the orbit?
A. Crista Galli
B. Orbital PLate
C. Perpendicular Plate
D. Ethmoidal Labrynth with Superior and Middle Nasal Concha
rbital PLate
Which of the following correctly describes a Le Fort I Fracture?
A. Horizontal fracture of the Maxilla, localized to the alveolar process of the Maxilla
B. Fracture partially through orbit with damage going up to the zygomatic maxillary suture (central part of face seperates from cranium)
C. Horizontal fracture through the superior orbital fissures, through the greater wings of sphenoid and frontozygomatic sutures (Zygomatic bones seperate from the rest of the cranium)
D. None of the above
Horizontal fracture of the Maxilla, localized to the alveolar process of the Maxilla
Which of the following correctly describes a Le Fort II Fracture?
A. Horizontal fracture of the Maxilla, localized to the alveolar process of the Maxilla
B. Fracture partially through orbit with damage going up to the zygomatic maxillary suture (central part of face seperates from cranium)
C. Horizontal fracture through the superior orbital fissures, through the greater wings of sphenoid and frontozygomatic sutures (Zygomatic bones seperate from the rest of the cranium)
D. None of the above
Fracture partially through orbit with damage going up to the zygomatic maxillary suture (central part of face seperates from cranium)
Which of the following correctly describes a Le Fort III Fracture?
A. Horizontal fracture of the Maxilla, localized to the alveolar process of the Maxilla
B. Fracture partially through orbit with damage going up to the zygomatic maxillary suture (central part of face seperates from cranium)
C. Horizontal fracture through the superior orbital fissures, through the greater wings of sphenoid and frontozygomatic sutures (Zygomatic bones seperate from the rest of the cranium)
D. None of the above
Horizontal fracture through the superior orbital fissures, through the greater wings of sphenoid and frontozygomatic sutures (Zygomatic bones seperate from the rest of the cranium)
Which of the following structures are found in the anterior cranial fossa?
A. Cribiform plate and lesser wings of sphenoid
B. Cribiform plate and greater wings of sphenoid
C. Sella Turcica, foramen ovale, and petroud ring of temporal bone
D. Jugular foramen and foramen magnum
Cribiform plate and lesser wings of sphenoid
Which of the following structures are found in the middle cranial fossa?
A. Cribiform plate and lesser wings of sphenoid
B. Cribiform plate and greater wings of sphenoid
C. Sella Turcica, foramen ovale, and petroud ring of temporal bone
D. Jugular foramen and foramen magnum
Sella Turcica, foramen ovale, and petroud ring of temporal bone
The Lacrimal groove is part of the Lacrimal B. (makes up medial wall of each orbit) is the passageway for what duct?
Nasolacrimal duct
What portion of the Vomer articulates with the sphenoid B.?
What part of the Vomer forms the inferior portion of the nasal septum?
Ala
Vertical Plate
Which of the following correctly characterizes the Perpendicular Plate of the Palatine Bone?
A. Medial floor of orbit
B. Posterior portion of hard palate
C. Lateral wall of nasal cavity
Lateral wall of nasal cavity
Which of the following correctly characterizes the Horizontal PLate of the Palatine Bone?
A. Medial floor of orbit
B. Posterior portion of hard palate
C. Lateral wall of nasal cavity
Posterior portion of hard palate
T/F: The Orbital Process of the Palatine B. forms part of the medial floor of the orbit
True
Which of the following structures of the maxilla forms the posterior portion of the hard palate?
A. Palatine Process
B. Incisive Foramen
C. Alveolar process
D. Maxillary sinus
Palatine Process
The Incisve foramen of the maxilla seperates what two structures?
A. Hard palate from soft palate
B. Hard palate from posterior nasal spine
C. Soft palate from anterior nasal spine
D. Hard palate from anterior nasal spine
Hard palate from anterior nasal spine
What is the largest paranasal sinus in the skull?
Maxillary sinus
All of the following concha are part of the ethmoid bone, EXCEPT for which of the following that is considered it’s own seperate bone?
A. Superior Nasal Concha
B. Middle Nasal Concha
C. Inferior Nasal Concha
Inferior Nasal Concha
How many bones make up the orbital complex?
7
What 3 bones make up the floor of the orbit?
A. Frontal process of maxilla, Lacrimal B., Lateral Mass of ethmoid B.
B. Perpendicular plate of palatine B, ORbital surface of maxilla, zygomatic B
C. Orbital surface of zygmotic B, greater wing of sphenoid, Zygomatic process of frontal B.
D. Lesser wing of sphenoid B. and Frontal B.
Perpendicular Plate of Palatine B.
Orbital surface of Maxilla
Zygomatic B.
What 3 bones make up the lateral wall of the orbit?
A. Frontal process of maxilla, Lacrimal B., Lateral Mass of ethmoid B.
B. Perpendicular plate of palatine B, ORbital surface of maxilla, zygomatic B
C. Orbital surface of zygmotic B, greater wing of sphenoid, Zygomatic process of frontal B.
D. Lesser wing of sphenoid B. and Frontal B.
Zygomatic Process of Frontal B.
Greater Wing of Sphenoid B.
ORbital Surface of Zygomatic B.
What 2 bones make up the roof of the orbit?
A. Frontal process of maxilla, Lacrimal B., Lateral Mass of ethmoid B.
B. Perpendicular plate of palatine B, ORbital surface of maxilla, zygomatic B
C. Orbital surface of zygmotic B, greater wing of sphenoid, Zygomatic process of frontal B.
D. Lesser wing of sphenoid B. and Frontal B.
Lesser wing of Sphenoid B.
Frontal B.
What 3 bones make up the medial wall of the orbit?
A. Frontal process of maxilla, Lacrimal B., Lateral Mass of ethmoid B.
B. Perpendicular plate of palatine B, ORbital surface of maxilla, zygomatic B
C. Orbital surface of zygmotic B, greater wing of sphenoid, Zygomatic process of frontal B.
D. Lesser wing of sphenoid B. and Frontal B.
Frontal Process of maxilla
Lacrimal B.
Lateral Mass of Ethmoid B.
