USAHS Clinical Neuroscience Exam
Questions And Answers
What are the 5 steps of neurological development in order? -
correct 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. -
correct answer ✅Neurulation
Cell proliferation occurs within the ________ _______. -
correct answer ✅Neural tube
During the migration and aggregation phase of embryological
development the cells migrate/aggregate within _________
locations. -
correct answer ✅Definitive
True or false:
Cranial nerves are formed during the formation of axonal and
dendritic processes phase of embryological development. -
correct answer ✅True
,USAHS Clinical Neuroscience Exam
Questions And Answers
____________ occurs around day 14 of development. -
correct answer ✅Neurulation
During __________ the embryo is in the process of gastrolation. -
correct answer ✅Neurulation
The __________ is three cell layers thick and includes the
ectoderm, mesoderm, and endoderm. -
correct answer ✅Gastrula
The entire nervous system is derived from the ____________
___________. -
correct answer ✅Embryonic ectoderm
On day _____ the notochord develops followed by the neural tube
on day _______. -
correct answer ✅21, 28
The _______ ________ develops into the the entire CNS. -
correct answer ✅Neural tube
,USAHS Clinical Neuroscience Exam
Questions And Answers
Neural crest cells develop into the ______. -
correct answer ✅PNS
What two pathologies can occur during the first stage of
embryological development? -
correct answer ✅Spina bifida (failure of POSTERIOR neuropore to
close) and anencephaly (failure of the ANTERIOR neuropore to
close)
What does the prosencephalon divide into? -
correct answer ✅telencephalon and diencephalon
What are the derivatives of the telencephalon and diencephalon? -
correct answer ✅telencephalon: rhinoencephalon (lateral
ventricles)
diencephalon: thalamus, hypothalamus, optic nerves,
neurohypophysis, and pineal gland (third ventricle)
What is the derivative of the mesencephalon? -
correct answer ✅Midbrain (cerebral aqueduct)
, USAHS Clinical Neuroscience Exam
Questions And Answers
What does the rhombencephalon divide into? -
correct answer ✅metencephalon and myelencephalon
What are the derivatives of the metencephalon and
myelencephalon? -
correct answer ✅Metencephalon: cerebellum and pons (fourth
ventricle)
Myelencephalon: medulla (fourth ventricle)
What does the primitive neural tube divide into? -
correct answer ✅Neural tube and neural crest
What are the derivatives of the neural tube and neural crest? -
correct answer ✅Neural tube: spinal cord (central canal)
Neural crest: peripheral nerve ganglia
The anterior commissure is _________ to the posterior
commissure. -
correct answer ✅Rostral
Questions And Answers
What are the 5 steps of neurological development in order? -
correct 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. -
correct answer ✅Neurulation
Cell proliferation occurs within the ________ _______. -
correct answer ✅Neural tube
During the migration and aggregation phase of embryological
development the cells migrate/aggregate within _________
locations. -
correct answer ✅Definitive
True or false:
Cranial nerves are formed during the formation of axonal and
dendritic processes phase of embryological development. -
correct answer ✅True
,USAHS Clinical Neuroscience Exam
Questions And Answers
____________ occurs around day 14 of development. -
correct answer ✅Neurulation
During __________ the embryo is in the process of gastrolation. -
correct answer ✅Neurulation
The __________ is three cell layers thick and includes the
ectoderm, mesoderm, and endoderm. -
correct answer ✅Gastrula
The entire nervous system is derived from the ____________
___________. -
correct answer ✅Embryonic ectoderm
On day _____ the notochord develops followed by the neural tube
on day _______. -
correct answer ✅21, 28
The _______ ________ develops into the the entire CNS. -
correct answer ✅Neural tube
,USAHS Clinical Neuroscience Exam
Questions And Answers
Neural crest cells develop into the ______. -
correct answer ✅PNS
What two pathologies can occur during the first stage of
embryological development? -
correct answer ✅Spina bifida (failure of POSTERIOR neuropore to
close) and anencephaly (failure of the ANTERIOR neuropore to
close)
What does the prosencephalon divide into? -
correct answer ✅telencephalon and diencephalon
What are the derivatives of the telencephalon and diencephalon? -
correct answer ✅telencephalon: rhinoencephalon (lateral
ventricles)
diencephalon: thalamus, hypothalamus, optic nerves,
neurohypophysis, and pineal gland (third ventricle)
What is the derivative of the mesencephalon? -
correct answer ✅Midbrain (cerebral aqueduct)
, USAHS Clinical Neuroscience Exam
Questions And Answers
What does the rhombencephalon divide into? -
correct answer ✅metencephalon and myelencephalon
What are the derivatives of the metencephalon and
myelencephalon? -
correct answer ✅Metencephalon: cerebellum and pons (fourth
ventricle)
Myelencephalon: medulla (fourth ventricle)
What does the primitive neural tube divide into? -
correct answer ✅Neural tube and neural crest
What are the derivatives of the neural tube and neural crest? -
correct answer ✅Neural tube: spinal cord (central canal)
Neural crest: peripheral nerve ganglia
The anterior commissure is _________ to the posterior
commissure. -
correct answer ✅Rostral
