OCCTH 585 Test 1 Questions and Answers | 100% Pass
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Course
2024/2025
Institution
2024/2025
OCCTH 585 Test 1 Questions and
Answers | 100% Pass
Where in the cell do action potentials exist?
a) cell body
b) axons
c) dendrites
d) all of the above - Answer-b) axons
Where in the cell is information received?
a) cell body
b) axons
c) dendrites
d) all of the above - Answer-c) dendrite...
are metabolically costly, and we don't want to waste energy sustaining something that is
not contributing to anything
True or False: Collateral sprouting is activity dependent. - Answer✔✔-True.
True or False: An injury is required to drive collateral sprouting. - Answer✔✔-False.
(Think about monkey's fingers that were stimulated. If something is being used a lot, it
will take over territory that is not being used that much - no injury involved)
What are 3 pieces of evidence that we have to support that neurogenesis does occur in
adulthood? - Answer✔✔-1. Tissues in our body produce new cells (blood, bone
remodelling, etc.)
2. Glial cells produce new cells in response to injury
3. Neurogenesis occurs in vertebrate species
In which 2 areas of the brain do neural stem cells exist? - Answer✔✔-1. Lateral
ventricle
2. Hippocampus
Neurogenesis in the lateral ventricle is involved in which function?
a) Injury repair
b) Replacing cells lost in wear and tear
c) Memory retention
d) All of the above - Answer✔✔-b) Replacing cells lost in wear and tear (replacing
olfactory bulb cells that are being sloughed off every time we sneeze or blow our nose)
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