USAHS CLINICAL NEUROSCIENCE EXAM 1
NEWEST 2024 ACTUAL EXAM COMPLETE
ACCURATE QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS) /ALREADY
GRADED A+
What are the 5 steps of neurological development in order? - ANSWERNeurulation, cell
proliferation, migration and aggregation, formation of axonal and dendritic processes,
and synaptogenesis
______________ involves the formation of the neural crest and neural tube. -
ANSWERNeurulation
Cell proliferation occurs within the ________ _______. - ANSWERNeural tube
During the migration and aggregation phase of embryological development the cells
migrate/aggregate within _________ locations. - ANSWERDefinitive
True or false:
Cranial nerves are formed during the formation of axonal and dendritic processes phase
of embryological development. - ANSWERTrue
____________ occurs around day 14 of development. - ANSWERNeurulation
During __________ the embryo is in the process of gastrolation. - ANSWERNeurulation
The __________ is three cell layers thick and includes the ectoderm, mesoderm, and
endoderm. - ANSWERGastrula
The entire nervous system is derived from the ____________ ___________. -
ANSWEREmbryonic ectoderm
,On day _____ the notochord develops followed by the neural tube on day _______. -
ANSWER21, 28
The _______ ________ develops into the the entire CNS. - ANSWERNeural tube
Neural crest cells develop into the ______. - ANSWERPNS
What two pathologies can occur during the first stage of embryological development? -
ANSWERSpina bifida (failure of POSTERIOR neuropore to close) and anencephaly
(failure of the ANTERIOR neuropore to close)
What does the prosencephalon divide into? - ANSWERtelencephalon and diencephalon
What are the derivatives of the telencephalon and diencephalon? -
ANSWERtelencephalon: rhinoencephalon (lateral ventricles)
What is the derivative of the mesencephalon? - ANSWERMidbrain (cerebral aqueduct)
What does the rhombencephalon divide into? - ANSWERmetencephalon and
myelencephalon
What are the derivatives of the metencephalon and myelencephalon? -
ANSWERMetencephalon: cerebellum and pons (fourth ventricle)
Myelencephalon: medulla (fourth ventricle)
What does the primitive neural tube divide into? - ANSWERNeural tube and neural crest
What are the derivatives of the neural tube and neural crest? - ANSWERNeural tube:
spinal cord (central canal)
Neural crest: peripheral nerve ganglia
The anterior commissure is _________ to the posterior commissure. - ANSWERRostral
The thalamus is ________to the frontal lobe. - ANSWERCaudal
The cerebellum is _________ to the pons. - ANSWERDorsal
The anterior horn of the SC is _________ to the posterior horn of the SC. -
ANSWERVentral
, 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. - ANSWERCell 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 __________. - ANSWERVentricles (helps the cilia)
During the cell proliferation phase the intermediate layer becomes the ___________. -
ANSWERMantle (gray matter)
During the cell proliferation phase the marginal layer becomes ________ ________. -
ANSWERWhite matter
During _________ migration the cells travel up the telencephalon from the SC. -
ANSWERRadial
During ______________ migration the cells travel within the brain stem. This occurs
late in the migration process. - ANSWERTangential
What two defects can occur in the migration phase of embryological development? -
ANSWERDyslexia and lissencephaly (smooth brain = low IQ)
During the differentiation phase of embryological development at 14 weeks CN's
_______, _______, ______, ______, and _____ form. - ANSWER5, 7, 9, 10, and 12
(swallow/gag)
During the differentiation phase of embryological development at 25 weeks CN's
________ _______ ______ and _____ form. - ANSWER2, 3, 4, and 6 (visual motor)
During the differentiation phase of embryological development at 28 weeks CN ______
forms. - ANSWER8 (hearing)
During the differentiation phase of embryological development at 31-32 weeks CN
______ forms. - ANSWER1 (smell)
During the synaptogenesis phase of embryological development the basis of
____________ ___________ is formed. - ANSWERNeural plasticity (correlated with
known types of permanent learning)
The telencephalon and diencephalon comprise the _____________. -
ANSWERForebrain
What makes up the brain stem? - ANSWERmidbrain, pons, medulla oblongata (vital
survival function)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Americannursingaassociation. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.99. You're not tied to anything after your purchase.
