Exam (elaborations)
Alberta Biology 30: Nervous System Questions and Answers 100% Solved
- Course
- Institution
Alberta Biology 30: Nervous System Questions and Answers 100% Solved
[Show more]
Content preview
Alberta Biology 30: Nervous System Questions andAnswers 100% Solved
What is the myelin sheath in the PNS composed of? What do they form? What is it's purpose?
-
Answer composed of schwann cells; form the neruilemma; promotes regeneration of
damaged axons
What are Nodes of Ranvier? What are their purpose? - Answer gaps between the myelin
sheath; speeds up transmission
What are the function of terminal branches? - Answer end of neuron with axon bulbs;
contain vesicles of neurotransmitters needed to bridge the synapse
What is the name of the connection between a neuron and a muscle? - Answer
neuromuscular junction
Describe the neural pathway. - Answer receptors - sensory neurons - interneurons - motor
neurons - effectors
What are effectors? - Answer muscles/glands/organs that help the organism respond to
stimulus
What is a reflex? - Answer motor neurons activated by an involuntary response
What is a reflex arc? - Answer a reflex that bypasses the brain; allows body to quickly
, respond to stimuli
What is an action potential? - Answer nerve pulse that results from movement of ions
across
neuron's membrane
What are the two divisions of the nervous system? - Answer central & peripheral
What are the two components of the central nervous system? - Answer brain & spinal cord
What two pathways can the peripheral nervous system be further divided into? - Answer
sensory & motor
What is the difference between the somatic nervous system and the autonomic nervous
system? Which division is it a part of? Which pathway? - Answer somatic = voluntary
control
autonomic = involuntary control
peripheral; motor pathways
What is the difference between the sympathetic and the parasympathetic nervous system? Is
it
a part of the somatic or autonomic? - Answer sympathetic = dominates in times of high
activity/stress = FIGHT OR FLIGHT
parasympathetic = dominates during rest = REST & DIGEST
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 TheeGrades. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79373 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now