USAHS Clinical Neuroscience Exam Questions and Answers 100% Pass

USAHS Clinical Neuroscience

Exam Questions and Answers

100% Pass


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




Question: ______________ involves the formation of the neural crest and neural

tube. -

Answer: Neurulation




Question: Cell proliferation occurs within the ________ _______. -

Answer: Neural tube

,Question: During the migration and aggregation phase of embryological

development the cells migrate/aggregate within _________ locations. -

Answer: Definitive




Question: True or false:

Cranial nerves are formed during the formation of axonal and dendritic processes

phase of embryological development. -

Answer: True




Question: ____________ occurs around day 14 of development. -

Answer: Neurulation




Question: During __________ the embryo is in the process of gastrolation. -

Answer: Neurulation




Question: The __________ is three cell layers thick and includes the ectoderm,

mesoderm, and endoderm. -

Answer: Gastrula

,Question: The entire nervous system is derived from the ____________

___________. -

Answer: Embryonic ectoderm




Question: On day _____ the notochord develops followed by the neural tube on

day _______. -

Answer: 21, 28




Question: The _______ ________ develops into the the entire CNS. -

Answer: Neural tube




Question: Neural crest cells develop into the ______. -

Answer: PNS




Question: 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)

, Question: What does the prosencephalon divide into? -

Answer: telencephalon and diencephalon




Question: What are the derivatives of the telencephalon and diencephalon? -

Answer: telencephalon: rhinoencephalon (lateral ventricles)




diencephalon: thalamus, hypothalamus, optic nerves, neurohypophysis, and pineal

gland (third ventricle)




Question: What is the derivative of the mesencephalon? -

Answer: Midbrain (cerebral aqueduct)




Question: What does the rhombencephalon divide into? -

Answer: metencephalon and myelencephalon




Question: What are the derivatives of the metencephalon and myelencephalon? -

Answer: Metencephalon: cerebellum and pons (fourth ventricle)