1.
A Subdural Hemorrhage is caused by a rupture of _____ where they attach to the Superior Sagittal Sinus between the _____.: CEREBRAL VV.
PERIOSTEAL & MENINGEAL DURA MATER
2.
An Aneurysm can occur with the _____ or _____.: INTERNAL CAROTID A.
CAVERNOUS SINUS
3.
An Epidural/Extradural Hemorrhage is caused by a rupture of the _____ between the _____ and the skull.: MIDDLE MENINGEAL VESSELS
PERIOSTEAL DURA MATER
4.
Blood supply to the meninges comes from _____.: MIDDLE MENINGEAL A. (from the Maxillary A.)
5.
Boundaries of the ANTERIOR cranial fossa: ANTEROLATERAL: frontal bone
MEDIAL: ethmoid (cribiform plate)
POSTERIOR: sphenoid (lesser wing), parietal (lateral edge)
FLOOR: frontal bone (orbital plate)
6.
Boundaries of the MIDDLE cranial fossa: ANTERIOR: sphenoid (lesser and greater wings)
LATERAL: temporal (squamous portion)
MEDIAL: sphenoid (sella tursica, anterior and posterior clinoid processes)
POSTERIOR: temporal bone (petrous portion)
FLOOR: temporal (petrous portion), sphenoid (greater wing)
7.
Boundaries of the POSTERIOR cranial fossa: ANTERIOR: temporal (petrous), clivus (sphenoid, & occipital)
LATERAL, MEDIAL, POST., FLOOR: occipital
8.
Important structure of the POSTERIOR cranial fossa: INTERNAL ACOUSTIC MEATUS (CNVII, VIII)
GROOVE FOR THE TRANSVERSE SINUS
INTERNAL OCCIPITAL PROTUBERANCE & CREST
JUGULAR FORAMEN (CNIX, X, XI, internal jugular v, sigmoid & inf petrosal sinus)
HYPOGLOSSAL CANAL (CNXII)
FORAMEN MAGNUM
GROOVE FOR THE SUP & INF. PETROSAL SINUS
9.
Important structures of the ANTERIOR cranial fossa: CRIBIFORM PLATE
CRISTAL GALLI
FRONTAL CREST
LESSER WINGS OF THE SPHENOID
10.
Important structures of the MIDDLE cranial fossa: HYPOHYSEAL FOSSA
DORSUM SELLA, SELLA TURSICA, ANT. & POST. CLINOID PROCESSES
CHIASMATIC SULCUS & OPTIC CANALS (CNII)
SUPERIOR ORBITAL FISSURE (CNIII, IV, V1, VI)
TRIGEMINAL IMPRESSION
F. ROTUNDUM (CNV2)
F. OVALE (CNV3)
F. SPINOSUM (Middle Meningeal A.)
F. LACERUM
CAROTID CANAL
HIATUS & GROOVE FOR THE LESSER PETROSAL
11.
Innervation of the meninges comes from _____.: CNV/TRIGEMINAL N.
12.
The _____ and _____ are branches off the Vertebral AA.: ANTERIOR SPINAL AA.
POSTERIOR SPINAL AA.
13.
The _____ branches off the Vertebral AA. while the _____ branches off the Basilar AA.: POSTERIOR INFERIOR CEREBELLAR AA.
ANTERIOR INFERIOR CEREBELLAR AA.
14.
The _____ combine to form the Basilar A.: VERTEBRAL AA.
15.
The base of the skull contains 3 levels known as the _____, _____, and _____: ANTERIOR, MIDDLE, POSTERIOR CRANIAL FOSSA
16.
The Calvarium contains impressions of _____ and _____.: SAGITTAL GROOVE (superior sagittal sinus)
ARACHNOID GRANULATION IMPRESSIONS
17.
The Cavernous Sinus drains directly into the Internal Jugular V via the _____ or indirectly via _____.: INFERIOR PETROSAL SINUS
SUPERIOR PETROSAL SINUS
18.
The Cavernous Sinus lies on the side of the _____ and extends from the _____ to the apex of the _____ of temporal bone.: BODY OF THE SPHENOID
SUPERIOR ORBITAL FISSURE
PETROUS PORTION
19.
The Cavernous sinus receives venous drainage from the _____, _____, and _____.: OPHTHALMIC V.
MIDDLE CEREBRAL V.
PTERYGOID PLEXUS
20.
The Cavernous Sinus surrounds the _____ and is traversed by CN _____ with CN _____ within it.: INTERNAL CAROTID A.
CN III, IV, V1, V2
CNVI
21.
The Circle of Willis is comprised of _____.: POSTERIOR CEREBRAL A
POSTERIOR COMMUNICATING A.
INTERNAL CAROTID A.
ANTERIOR CEREBRAL A.
ANTERIOR COMMUNICATING A.
22.
The DIAPHRAGMA SELLA forms the roof of _____ and attaches ANTERIORLY and POSTERIORLY to _____.: HYPOPHYSEAL FOSSA
CLINOID PROCESS
23.
The FALX CEREBELLI separates _____ and attaches to _____ and _____.: CEREBELLAR HEMISPHERES
TENTORIUM CEREBELLI & INTERNAL OCCIPITAL PROTUBERANCE
24.
The FALX CEREBRI separates _____ and attaches ANTERIORLY to _____ and POSTERIORLY to _____.: CEBRAL HEMISPHERES
FRONTAL CREST & CRISTA GALLI
INTERNAL OCCIPITAL PROTUBERANCE & TENTORIUM CEREBELLI
25.
The Great Cerebral Sinus drain the _____.: BRAIN
26.
The Inferior Sagittal Sinus is found in the inferior margin of _____ and joins the _____ to become the _____.: FALX CEREBRI
GREAT CEREBRAL SINUS
STRAIGHT SINUS
27.
The Internal Carotid AA. become _____ after giving off the _____.: MIDDLE CEREBRAL AA.
ANTERIOR CEREBRAL AA.
28.
The Internal Jugular V. travels through the Jugular Foramen with CN ____.: CN IX, X, XI
29.
The Sigmoid Sinus is outside of the _____ and drains into the _____.: TENTORIUM CEREBELLI
INTERNAL JUGULAR V.
30.
The Straight Sinus drains into the _____ via _____.: TRANSVERSE SINUS
CONFLUENCE OF SINUSES
31.
The Straight Sinus is found within the intersection of _____ and _____, and is formed by the union of _____ and _____.: FALX CEREBRI
TENTORIUM CEREBELLI
GREAT CEREBRAL V.
INFERIOR SAGITTAL SINUS
32.
The Superior Cerebellar A is a branch of the _____.: BASILAR A.
33.
The Superior Petrosal Sinus drains the Cavernous Sinus into the _____ with the _____.: TRANSVERSE SINUS
SIGMOID SINUS
34.
The Superior Sagittal Sinus is found in the superior margin of _____ and drains into the _____ via the _____.: FALX CEREBRI
RIGHT TRANSVERSE SINUS
CONFLUENCE OF SINUSES
35.
The TENTORIUM CEREBELLI separates _____ and attaches ANTERIORLY to _____ and POSTERIORLY to _____.: CEREBRUM & CEREBELLUM
PETROUS RIDGE OF TEMPORAL, POSTERIOR CLINOID PORCESSES OF SPHENOID & MARGINS OF THE GROOVE FOR THE TRANSVERSE SINUS
36.
The Transverse Sinus is found within the margin of _____ and becomes the _____.: TENTORIUM CEREBELLI
SIGMOID SINUS
37.
The TWO layers of the cranial dura mater are _____ and _____.: PERIOSTEAL
MENINGIAL
38.
The venous sinues of the dura mater drain into the _____.: INTERNAL JUGULAR V.
39.
There are _____ dural folds.: FOUR
Falx Cerebri
Tentorium Cerebelli
Falx Cerebelli
Diaphragma Sella
40.
True/ False: The cranial cavity contains the brain, meninges, portions of the CNs, and blood vessels: TRUE
41.
True/False: Arachnoid Granulations bulge into the Superior Sagittal Sinus to allow CSF to be reabsorbed.: TRUE
42.
True/False: The venous sinuses of the dura mater are devoid of valves: TRUE
