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USAHS clinical neuroscience exam 2
LATEST UPDATED VERSION QUESTIONS
AND VERIFIED CORRECT ANSWERS JUST
RELEASED
What is the order of layers that protect the brain? - (ANSWER)S- skin
C- connective tissue
A- aponeurosa
L- loose connective tissue
P- pericranium
Which layer of the meninges is perforated to allow room for cranial nerves and
blood vessels? - (ANSWER)Dura mater
Separations of the ________ membranes create sinuses that are important for
the venous drainage system. - (ANSWER)Dura
The _____________ layer has trabeculae that suspend the brain. -
(ANSWER)Arachnoid
True or false:
Arachnoid granulation serve as one way valves to the duralumin sinus. -
(ANSWER)True
, 2
True or false:
Dentate ligaments are pia mater. - (ANSWER)True
What is significant about the epidural space? - (ANSWER)It contains the middle
meningeal artery (a branch off of the external carotid)
What goes through foramen spinosum? - (ANSWER)middle meningeal artery
An ___________ _____________ is typically the result of traumatic rupture of the
MMA due to temporal bone fracture. May initially be asymptomatic but within
hours have increased ICP, herniation, and death. - (ANSWER)Epidural hematoma
The ____________ space is between the dura and the arachnoid. Contains
bridging veins that cross at the subdural space and drain into the venous sinuses. -
(ANSWER)Subdural
What is a subdural hematoma? - (ANSWER)Rupture of the bridging veins which
are susceptible to shear forces. Two types: chronic (elderly) and acute
The _______________ space is between the arachnoid and pia mater. Contains
major arteries of the brain as well as CSF. - (ANSWER)Subarachnoid
What is a subarachnoid hemorrhage? - (ANSWER)Two types: traumatic and non
traumatic, bleeding into the CSF, presents as a severe HA
, 3
Common herniations? - (ANSWER)Central, tonsillar, uncal transtenorial, *ONE
MORE CHECK fig. 5.8)
The neural tube becomes the _____________. - (ANSWER)Ventricles
The third ventricle is surrounded by the ____________. - (ANSWER)Diencephalon
(thalamus)
What is the flow of CSF? - (ANSWER)Lateral ventricles through the foramen of
Monroe to the 3rd ventricle through the cerebral aqueduct to the 4th ventricle
and out through the foramen of magendie
True or false:
The choroid plexus exists within each of the ventricles and is constantly producing
CSF, creating a small pressure gradient. - (ANSWER)True (functions are buoyancy,
cushioning, cleaning, and ionic balance)
The choroid plexus is made of _____________ cells that produce CSF and assist in
circulating it by movement of their cilli. - (ANSWER)Ependymal
_________ are large pockets in the subarachnoid space. - (ANSWER)Cistern
USAHS clinical neuroscience exam 2
LATEST UPDATED VERSION QUESTIONS
AND VERIFIED CORRECT ANSWERS JUST
RELEASED
What is the order of layers that protect the brain? - (ANSWER)S- skin
C- connective tissue
A- aponeurosa
L- loose connective tissue
P- pericranium
Which layer of the meninges is perforated to allow room for cranial nerves and
blood vessels? - (ANSWER)Dura mater
Separations of the ________ membranes create sinuses that are important for
the venous drainage system. - (ANSWER)Dura
The _____________ layer has trabeculae that suspend the brain. -
(ANSWER)Arachnoid
True or false:
Arachnoid granulation serve as one way valves to the duralumin sinus. -
(ANSWER)True
, 2
True or false:
Dentate ligaments are pia mater. - (ANSWER)True
What is significant about the epidural space? - (ANSWER)It contains the middle
meningeal artery (a branch off of the external carotid)
What goes through foramen spinosum? - (ANSWER)middle meningeal artery
An ___________ _____________ is typically the result of traumatic rupture of the
MMA due to temporal bone fracture. May initially be asymptomatic but within
hours have increased ICP, herniation, and death. - (ANSWER)Epidural hematoma
The ____________ space is between the dura and the arachnoid. Contains
bridging veins that cross at the subdural space and drain into the venous sinuses. -
(ANSWER)Subdural
What is a subdural hematoma? - (ANSWER)Rupture of the bridging veins which
are susceptible to shear forces. Two types: chronic (elderly) and acute
The _______________ space is between the arachnoid and pia mater. Contains
major arteries of the brain as well as CSF. - (ANSWER)Subarachnoid
What is a subarachnoid hemorrhage? - (ANSWER)Two types: traumatic and non
traumatic, bleeding into the CSF, presents as a severe HA
, 3
Common herniations? - (ANSWER)Central, tonsillar, uncal transtenorial, *ONE
MORE CHECK fig. 5.8)
The neural tube becomes the _____________. - (ANSWER)Ventricles
The third ventricle is surrounded by the ____________. - (ANSWER)Diencephalon
(thalamus)
What is the flow of CSF? - (ANSWER)Lateral ventricles through the foramen of
Monroe to the 3rd ventricle through the cerebral aqueduct to the 4th ventricle
and out through the foramen of magendie
True or false:
The choroid plexus exists within each of the ventricles and is constantly producing
CSF, creating a small pressure gradient. - (ANSWER)True (functions are buoyancy,
cushioning, cleaning, and ionic balance)
The choroid plexus is made of _____________ cells that produce CSF and assist in
circulating it by movement of their cilli. - (ANSWER)Ependymal
_________ are large pockets in the subarachnoid space. - (ANSWER)Cistern
