USAHS CLINICAL NEUROSCIENCE EXAM WITH
VERIFIED SOLUTIONS
What are the 5 steps of neurological development in order? - ✔✔Neurulation, cell
proliferation,migration and aggregation, formation of axonal and dendritic processes, and
synaptogenesis
involves the formation of the neural crest and neural tube. - ✔✔Neurulation
Cell proliferation occurs within the . - ✔✔Neural tube
During the migration and aggregation phase of embryological development the cells
migrate/aggregatewithin locations. - ✔✔Definitive
True or false:
Cranial nerves are formed during the formation of axonal and dendritic processes phase
ofembryological development. - ✔✔True
occurs around day 14 of development. - ✔✔Neurulation
During the embryo is in the process of gastrolation. - ✔✔Neurulation
The is three cell layers thick and includes the ectoderm, mesoderm, and endoderm. -
✔✔Gastrula
USAHS CLINICAL NEUROSCIENCE EXAM WITH VERIFIED SOLUTIONS
,The entire nervous system is derived from the . - ✔✔Embryonic ectoderm
On day the notochord develops followed by the neural tube on day . - ✔✔21, 28
The develops into the the entire CNS. - ✔✔Neural tube
Neural crest cells develop into the . - ✔✔PNS
What two pathologies can occur during the first stage of embryological development? - ✔✔Spina
bifida(failure of POSTERIOR neuropore to close) and anencephaly (failure of the ANTERIOR
neuropore to close)
What does the prosencephalon divide into? - ✔✔telencephalon and diencephalon
What are the derivatives of the telencephalon and diencephalon? - ✔✔telencephalon:
rhinoencephalon(lateral ventricles)
diencephalon: thalamus, hypothalamus, optic nerves, neurohypophysis, and pineal gland
(thirdventricle)
What is the derivative of the mesencephalon? - ✔✔Midbrain (cerebral aqueduct)
What does the rhombencephalon divide into? - ✔✔metencephalon and myelencephalon
USAHS CLINICAL NEUROSCIENCE EXAM WITH VERIFIED SOLUTIONS
,What are the derivatives of the metencephalon and myelencephalon? - ✔✔Metencephalon:
cerebellumand pons (fourth ventricle)
Myelencephalon: medulla (fourth ventricle)
What does the primitive neural tube divide into? - ✔✔Neural tube and neural crest
What are the derivatives of the neural tube and neural crest? - ✔✔Neural tube: spinal cord
(centralcanal)
Neural crest: peripheral nerve ganglia
The anterior commissure is to the posterior commissure. - ✔✔Rostral
The thalamus is to the frontal lobe. - ✔✔Caudal
The cerebellum is to the pons. - ✔✔Dorsal
The anterior horn of the SC is to the posterior horn of the SC. - ✔✔Ventral
During the phase of embryological development the sulcus limitans
pushesbilaterally inside of the neural tube and starts to divide the tube into a ventral and dorsal
portion. -
✔✔Cell proliferation (ventral portion= baslar plate; efferent motor and the dorsal portion= alar
USAHS CLINICAL NEUROSCIENCE EXAM WITH VERIFIED SOLUTIONS
, plate;sensory)
USAHS CLINICAL NEUROSCIENCE EXAM WITH VERIFIED SOLUTIONS
VERIFIED SOLUTIONS
What are the 5 steps of neurological development in order? - ✔✔Neurulation, cell
proliferation,migration and aggregation, formation of axonal and dendritic processes, and
synaptogenesis
involves the formation of the neural crest and neural tube. - ✔✔Neurulation
Cell proliferation occurs within the . - ✔✔Neural tube
During the migration and aggregation phase of embryological development the cells
migrate/aggregatewithin locations. - ✔✔Definitive
True or false:
Cranial nerves are formed during the formation of axonal and dendritic processes phase
ofembryological development. - ✔✔True
occurs around day 14 of development. - ✔✔Neurulation
During the embryo is in the process of gastrolation. - ✔✔Neurulation
The is three cell layers thick and includes the ectoderm, mesoderm, and endoderm. -
✔✔Gastrula
USAHS CLINICAL NEUROSCIENCE EXAM WITH VERIFIED SOLUTIONS
,The entire nervous system is derived from the . - ✔✔Embryonic ectoderm
On day the notochord develops followed by the neural tube on day . - ✔✔21, 28
The develops into the the entire CNS. - ✔✔Neural tube
Neural crest cells develop into the . - ✔✔PNS
What two pathologies can occur during the first stage of embryological development? - ✔✔Spina
bifida(failure of POSTERIOR neuropore to close) and anencephaly (failure of the ANTERIOR
neuropore to close)
What does the prosencephalon divide into? - ✔✔telencephalon and diencephalon
What are the derivatives of the telencephalon and diencephalon? - ✔✔telencephalon:
rhinoencephalon(lateral ventricles)
diencephalon: thalamus, hypothalamus, optic nerves, neurohypophysis, and pineal gland
(thirdventricle)
What is the derivative of the mesencephalon? - ✔✔Midbrain (cerebral aqueduct)
What does the rhombencephalon divide into? - ✔✔metencephalon and myelencephalon
USAHS CLINICAL NEUROSCIENCE EXAM WITH VERIFIED SOLUTIONS
,What are the derivatives of the metencephalon and myelencephalon? - ✔✔Metencephalon:
cerebellumand pons (fourth ventricle)
Myelencephalon: medulla (fourth ventricle)
What does the primitive neural tube divide into? - ✔✔Neural tube and neural crest
What are the derivatives of the neural tube and neural crest? - ✔✔Neural tube: spinal cord
(centralcanal)
Neural crest: peripheral nerve ganglia
The anterior commissure is to the posterior commissure. - ✔✔Rostral
The thalamus is to the frontal lobe. - ✔✔Caudal
The cerebellum is to the pons. - ✔✔Dorsal
The anterior horn of the SC is to the posterior horn of the SC. - ✔✔Ventral
During the phase of embryological development the sulcus limitans
pushesbilaterally inside of the neural tube and starts to divide the tube into a ventral and dorsal
portion. -
✔✔Cell proliferation (ventral portion= baslar plate; efferent motor and the dorsal portion= alar
USAHS CLINICAL NEUROSCIENCE EXAM WITH VERIFIED SOLUTIONS
, plate;sensory)
USAHS CLINICAL NEUROSCIENCE EXAM WITH VERIFIED SOLUTIONS
