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