1|Page
CLINICAL NEUROSCIENCE USAHS EXAM | QUESTIONS
AND CORRECT ANSWERS (JUST RELEASED) |
ALREADY GRADED A+
What are the 5 steps of neurological development in order? -
(answers)Neurulation, cell proliferation, migration and aggregation, formation of
axonal and dendritic processes, and synaptogenesis
______________ involves the formation of the neural crest and neural tube. -
(answers)Neurulation
Cell proliferation occurs within the ________ _______. - (answers)Neural tube
During the migration and aggregation phase of embryological development the
cells migrate/aggregate within _________ locations. - (answers)Definitive
True or false:
Cranial nerves are formed during the formation of axonal and dendritic processes
phase of embryological development. - (answers)True
____________ occurs around day 14 of development. - (answers)Neurulation
During __________ the embryo is in the process of gastrolation. -
(answers)Neurulation
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The __________ is three cell layers thick and includes the ectoderm, mesoderm,
and endoderm. - (answers)Gastrula
The entire nervous system is derived from the ____________ ___________. -
(answers)Embryonic ectoderm
On day _____ the notochord develops followed by the neural tube on day
_______. - (answers)21, 28
The _______ ________ develops into the the entire CNS. - (answers)Neural tube
Neural crest cells develop into the ______. - (answers)PNS
What two pathologies can occur during the first stage of embryological
development? - (answers)Spina bifida (failure of POSTERIOR neuropore to close)
and anencephaly (failure of the ANTERIOR neuropore to close)
What does the prosencephalon divide into? - (answers)telencephalon and
diencephalon
What are the derivatives of the telencephalon and diencephalon? -
(answers)telencephalon: rhinoencephalon (lateral ventricles)
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diencephalon: thalamus, hypothalamus, optic nerves, neurohypophysis, and
pineal gland (third ventricle)
What is the derivative of the mesencephalon? - (answers)Midbrain (cerebral
aqueduct)
What does the rhombencephalon divide into? - (answers)metencephalon and
myelencephalon
What are the derivatives of the metencephalon and myelencephalon? -
(answers)Metencephalon: cerebellum and pons (fourth ventricle)
Myelencephalon: medulla (fourth ventricle)
What does the primitive neural tube divide into? - (answers)Neural tube and
neural crest
What are the derivatives of the neural tube and neural crest? - (answers)Neural
tube: spinal cord (central canal)
Neural crest: peripheral nerve ganglia
The anterior commissure is _________ to the posterior commissure. -
(answers)Rostral
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The thalamus is ________to the frontal lobe. - (answers)Caudal
The cerebellum is _________ to the pons. - (answers)Dorsal
The anterior horn of the SC is _________ to the posterior horn of the SC. -
(answers)Ventral
During the __________ ___________ phase of embryological development the
sulcus limitans pushes bilaterally inside of the neural tube and starts to divide the
tube into a ventral and dorsal portion. - (answers)Cell proliferation (ventral
portion= baslar plate; efferent motor and the dorsal portion= alar plate; sensory)
During the cell proliferation phase the innermost layer (ependyaml aka germinal)
creates the lining of the __________. - (answers)Ventricles (helps the cilia)
During the cell proliferation phase the intermediate layer becomes the
___________. - (answers)Mantle (gray matter)
During the cell proliferation phase the marginal layer becomes ________
________. - (answers)White matter
During _________ migration the cells travel up the telencephalon from the SC. -
(answers)Radial
CLINICAL NEUROSCIENCE USAHS EXAM | QUESTIONS
AND CORRECT ANSWERS (JUST RELEASED) |
ALREADY GRADED A+
What are the 5 steps of neurological development in order? -
(answers)Neurulation, cell proliferation, migration and aggregation, formation of
axonal and dendritic processes, and synaptogenesis
______________ involves the formation of the neural crest and neural tube. -
(answers)Neurulation
Cell proliferation occurs within the ________ _______. - (answers)Neural tube
During the migration and aggregation phase of embryological development the
cells migrate/aggregate within _________ locations. - (answers)Definitive
True or false:
Cranial nerves are formed during the formation of axonal and dendritic processes
phase of embryological development. - (answers)True
____________ occurs around day 14 of development. - (answers)Neurulation
During __________ the embryo is in the process of gastrolation. -
(answers)Neurulation
,2|Page
The __________ is three cell layers thick and includes the ectoderm, mesoderm,
and endoderm. - (answers)Gastrula
The entire nervous system is derived from the ____________ ___________. -
(answers)Embryonic ectoderm
On day _____ the notochord develops followed by the neural tube on day
_______. - (answers)21, 28
The _______ ________ develops into the the entire CNS. - (answers)Neural tube
Neural crest cells develop into the ______. - (answers)PNS
What two pathologies can occur during the first stage of embryological
development? - (answers)Spina bifida (failure of POSTERIOR neuropore to close)
and anencephaly (failure of the ANTERIOR neuropore to close)
What does the prosencephalon divide into? - (answers)telencephalon and
diencephalon
What are the derivatives of the telencephalon and diencephalon? -
(answers)telencephalon: rhinoencephalon (lateral ventricles)
,3|Page
diencephalon: thalamus, hypothalamus, optic nerves, neurohypophysis, and
pineal gland (third ventricle)
What is the derivative of the mesencephalon? - (answers)Midbrain (cerebral
aqueduct)
What does the rhombencephalon divide into? - (answers)metencephalon and
myelencephalon
What are the derivatives of the metencephalon and myelencephalon? -
(answers)Metencephalon: cerebellum and pons (fourth ventricle)
Myelencephalon: medulla (fourth ventricle)
What does the primitive neural tube divide into? - (answers)Neural tube and
neural crest
What are the derivatives of the neural tube and neural crest? - (answers)Neural
tube: spinal cord (central canal)
Neural crest: peripheral nerve ganglia
The anterior commissure is _________ to the posterior commissure. -
(answers)Rostral
, 4|Page
The thalamus is ________to the frontal lobe. - (answers)Caudal
The cerebellum is _________ to the pons. - (answers)Dorsal
The anterior horn of the SC is _________ to the posterior horn of the SC. -
(answers)Ventral
During the __________ ___________ phase of embryological development the
sulcus limitans pushes bilaterally inside of the neural tube and starts to divide the
tube into a ventral and dorsal portion. - (answers)Cell proliferation (ventral
portion= baslar plate; efferent motor and the dorsal portion= alar plate; sensory)
During the cell proliferation phase the innermost layer (ependyaml aka germinal)
creates the lining of the __________. - (answers)Ventricles (helps the cilia)
During the cell proliferation phase the intermediate layer becomes the
___________. - (answers)Mantle (gray matter)
During the cell proliferation phase the marginal layer becomes ________
________. - (answers)White matter
During _________ migration the cells travel up the telencephalon from the SC. -
(answers)Radial
