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PIMA BIO130 Test

Enter the letter for the matching Answer
incorrect
1.
Jugular fossa
incorrect
2.
Petrous portion
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3.
Squamous
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4.
Stylomastoid foramen
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5.
Zygomatic process
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6.
Carotid canal (or foramen)
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7.
External acoustic meatus (or canal)
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8.
Mastoid air cells
A.
Opening between the styloid and mastoid processes where the facial nerve emerges from the cranial cavity
B.
Wedge-shaped process that forms part of the center section of the cranial floor between the sphenoid and occipital bones; name derived from Greek word for stone because of the extreme hardness of this process; houses the middle and inner ear structures
C.
Projection that articulates with the zygomatic (or malar) bone
D.
Mucosa-lined, air-filled spaces within the mastoid process
E.
Tube extending into the temporal bone from the external ear opening to the tympanic membrane
F.
Thin, flaring upper part of bone
G.
Channel in the petrous portion; best seen from the undersurface of the skull; transmits the internal carotid artery
H.
depression of the undersurface of the petrous portion; dilated beginning of the internal jugular vein lodged here
Type the Question that corresponds to the displayed Answer.
incorrect
9.
Opening in the suture between the petrous portion and occipital bone; transmits the lateral sinus and ninth, tenth, and eleventh cranial nerves
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10.
Slender spike of bone extending downward and forward from the undersurface of the bone anterior to the mastoid process; often broken off in a dry skull; several neck muscles and ligaments attach to the styloid process
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11.
Oval-shaped depression anterior to the external acoustic meatus; forms the socket for the condyle of the mandible
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12.
Fairly large opening on the posterior surface of the petrous portion of the bone; transmits the eighth cranial nerve to the inner ear and the seventh cranial nerve on its way to the facial structures
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13.
Prominent, bulging bones behind the frontal bone; forms the top sides of the cranial cavity
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14.
Protuberance just behind the ear
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15.
Form the lower sides of the cranium and part of the cranial floor; contain the middle and inner ear structures
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16.
Rough-surfaced lower part of the bone posterior to the external acoustic meatus

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