NSCS 170C1 Exam 1 Questions with Correct Answers
What are oligodendrocytes? - Answer-A type of glial cell that forms insulating myelin sheaths around the axons of neurons in the central nervous system.
What are microglial cells? - Answer-small cells that phagocytize bacterial cells and cellu...
NSCS 170C1 Exam 1 Questions
with Correct Answers
What are oligodendrocytes? - Answer-A type of glial cell that forms insulating myelin
sheaths around the axons of neurons in the central nervous system.
What are microglial cells? - Answer-small cells that phagocytize bacterial cells and
cellular debris
What happens to the proximal end of the neuron during injury in PNS? - Answer-it
begins to sprout axons and growth cones can be detected
What is the determining factor if the axon can regrow or not? - Answer-the environment
inhibits it
What prevents regrowth in the CNS? - Answer-slower debris clearance
Structural characteristics of the brain - Answer-frontal, parietal, temporal occipital lobes
What is an EEG and what does it measure? - Answer-Electroencephalogram, Records
the electrical activity of millions of neurons producing brain wave patterns that can be
characteristic of specific states/behaviors e.g. stages of sleep (high temporal, low
spatial)
What is an MRI? - Answer-Magnetic imaging equipment that uses a radio frequency
pulse to create an image.
What does fMRI measure? - Answer-It detects an increase in blood flow to a brain area
immediately after an increase in brain activity, and it also detects a slightly slower
increase in the percentage of hemoglobin lacking oxygen
What did Hodgkin and Huxley prove? - Answer-Action potential exceeds 0mV
What is sensitization? - Answer-an increase in behavioral response after exposure to a
stimulus
How do neurons learn? - Answer-Through the creation, elimination, or modification of
connections between neurons.
Electrical and chemical signals.
What is neurodegeneration? - Answer-progressive loss of structure/function of neurons
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 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 Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £9.79. You're not tied to anything after your purchase.
