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CSD 350 Exam 1 Questions And Accurate Answers Graded A+

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CSD 350 Exam 1 Questions And Accurate Answers Graded A+...

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  • September 19, 2024
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CSD 350 Exam 1 Questions And Accurate
Answers Graded A+

What category is the Brain classified under? -Answer The Brain is an organ.



How many Neurons does the Brain consist of? -Answer About 100 Billion



Who discovered the Neuron Doctrine? -Answer Ramon y Cajal



What is the Neuron Doctrine? -Answer The theory that neurons are the signaling units of
the nervous system-comprise a web/network.



What does the Neuron Doctrine believe a neuron is? -Answer Each neuron is a discrete
cell with distinction process arising from its cell body



What do Ancient Egyptians believed the brain was? -Answer Heart is center of emotion,
thought, and personality



What did the Ancient Greeks believe about the brain? -Answer The Brian is the center
for sensation and movement



What does Aristotle say about the brain? -Answer "The brain is the sponge that keeps
the heart cold"



When does Aristotle discuss the brain? -Answer 4th century BC



What does Franz Joesph Gall say about the brain? -Answer Said that the brain is the
source for everything

,What is Phrenology? -Answer A pseudoscience describing the "correlation" of a
person's personality with head / skull measurements and bumps



What is the modern theory of Functional Localization in the Brain? -Answer Localization
of basic functions (sensory, motor, autonomic) to regions of the brain



Who discovered the Golgi Stain? -Answer Ramon y Cajal



What did Ramon y Cajal develop? -Answer The Neuron Doctrine and the Golgi Stain



What is the Golgi Stain? -Answer A process of dying neurons that only stains 1 in 100
neurons, cell body, axon and all dendritic processes allowing for a better visual of
individual neurons



How many Neurons are in the Brain? -Answer 100 billion neurons are in the brain



How many Glial Cells are in the Brain? - Answer 1-10x as many neurons (100 billion)



How many Synapses are in the Brain? - Answer 100 trillion to 1 quadrillion synapses



What are main functions of neurons? - Answer Neurons process and transmit neurons



What are Glial Cells? - Answer Glial Cells surround and support the neurons. They
regulate neural firing. They help provide blood supply to the neuron.



What are Synapses? -Answer Synapses are the connections between neurons
(microscopic space where 2 neurons meet)

, In what ways is a brain similar to a computer? -Answer -Sends and receives info
extremely fast

-Can fail when parts are missing

-Multitasking

-Store Information



In what ways is a brain different than a computer? -Answer -Computer is not reliable,
have glitches, and break

-Computers are easily damaged

-Brain gains information and learns from experiences

-Brain doesn't require an operator it is its own

-Brain can never be turned off

-Brain is plastic/enduring and impervious to damage

-Brains have evolved over millions of years

Evolution of the Brain -Why- Same types of brain cells found in primitive mammals and in
humans

-No known neurotransmitters that are specific to the human brain

-Increase in brain size due to dietary changes

-Similarity of the brain across species



What is the Axon? -



What is the Cell Body? -



What is the Soma? Answer The cell body



What is the Nodes of Ranvier? -

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