SPLH 620 Exam 1 Questions and Answers 100% Correct(GRADED A+)
2 views 0 purchase
Course
SPLH 620
Institution
SPLH 620
3 types of neuroglia - ANSWER-astrocytes, oligodendrocytes, microglia
Astrocytes CNS - ANSWER-Clean up local debris including dead neurons
Provide nutrients
Regulate chemical composition of extracellular fluid
Oligodendrocytes CNS - ANSWER-Provide support for axons
Produce myelin sheath to...
SPLH 620 Exam 1 Questions and Answers 100% Correct(GRADED A+)
3 types of neuroglia - ANSWER-astrocytes, oligodendrocytes, microglia
Astrocytes CNS - ANSWER-Clean up local debris including dead neurons
Provide nutrients
Regulate chemical composition of extracellular fluid
Oligodendrocytes CNS - ANSWER-Provide support for axons
Produce myelin sheath to cover axons (on neuron) in CNS, covering multiple at a time
Schwann Cells PNS - ANSWER-Support cells
Produce myelin to cover axons (on neuron) in PNS, only covers one axon at a time
Each cell provides myelin for one neuron
What is exocytosis? - ANSWER-presynaptic process - when the synaptic vesicles are released and fuse to membrane
Depolarization - ANSWER-Becomes more positive leading to action potential -70 to -55
Hyperpolarization - ANSWER-membrane potential becomes more negative, less likely for action potential -120
Spatial summation - ANSWER-*multiple* synapses firing at *different* locations at *one time* to create a net effect.
Temporal Summation - ANSWER-Transmit impulses in rapid-fire order
Process of chemical synapse - ANSWER-Transmission of AP toward axon terminal
Opening of Ca++ channels
Exocytosis
Neurotransmitter binding
Opening of Na+ and/or K+ channels
Generation of PSP
Acetylcholine - ANSWER-excitatory
Glutamate - ANSWER-*most abundant*
excitatory
GABA - ANSWER-*most abundant*
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 papersbyjol. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.