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Quiz #1
Skull
27
Health Care
Not Applicable
09/05/2012

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Cards

Term
What cranial bones make up the calvaria?
Definition
Frontal, right parietal, left parietal, and occipital
Term
What cranial bones make up the floor?
Definition
Ethmoid, sphenoid, right temporal, and left temporal
Term
Where is the squamosal suture located?
Definition
Between the parietal and temporal bones
Term
Where is the lambdoidal suture located?
Definition
Between the occipital and parietal bones
Term
The ______ is the junction of the coronal and sagittal sutures.
Definition
bregma
Term
The ______ is the junction of the sagittal and lambdoidal sutures.
Definition
lambda
Term
_________ are areas of incomplete ossification in infant skulls (soft spots).
Definition
Fontanels
Term
Adult cranial size is usually achieved by age __.
Definition
12
Term
The cranial floor is divided into how many regions?
Definition
3
Term
What are the 3 regions of the cranial floor?
Definition
1. Anterior cranial fossa
2. Middle cranial fossa
3. Posterior cranial fossa
Term
_______ cranial fossa: houses the frontal lobes of the cerebrum; extends from the anterior frontal bone to the lesser wings of the sphenoid.
Definition
Anterior
Term
_______ cranial fossa: houses the temporal lobes; extends from the lesser wings of the sphenoid bone to the apices of the petrous ridges.
Definition
Middle
Term
_______ cranial fossa: the deep depression posterior to the petrous ridges; it protects the cerebellum, pons, and medulla oblongata.
Definition
Posterior
Term
Which cranial bone articulates with the other 7 cranial bones?
Definition
Sphenoid bone
Term
What is the name of the bony process in the temporal bone that projects anteriorly to articulate with the zygomatic bone of the face and complete the zygomatic arch?
Definition
Zygomatic process
Term
__________: the typical skull; petrous pyramids project anteriorly and medially at an angle of 47 degrees from the MSP.
Definition
Mesocephalic
Term
__________: a skull in which the petrous pyramids project anteriorly and medially at an angle of 54 degrees from the MSP.
Definition
Brachycephalic
Term
__________: a skull that is short from front to back, broad from side to side, and shallow from vertex to base.
Definition
Brachycephalic
Term
__________: a skull in which the petrous pyramids project anteriorly and medially at an angle of 40 degrees from the MSP.
Definition
Dolichocephalic
Term
__________: a skull that is long from front to back, narrow from side to side, and deep from vertex to base.
Definition
Dolichocephalic
Term
What are the 4 different types of skull morphology?
Definition
1. Mesocephalic
2. Brachycephalic
3. Dolichocephalic
4. Asymmetry
Term
Line that runs from the outer canthus to the EAM:
Definition
Orbitomeatal line (OML)
Term
Line that runs from the infraorbital margin to the EAM:
Definition
Infraorbitomeatal line (IOML)
Term
Line that runs from the glabella to the EAM:
Definition
Glabellomeatal line (GML)
Term
Horizontal line that transects the pupils of the eyes:
Definition
Interpupillary line (IPL)
Term
Line that runs from the acanthion to the EAM:
Definition
Acanthiomeatal line (AML)
Term
Line that runs from the mental point to the EAM:
Definition
Mentomeatal line (MML)
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