Splh 620 exam 1 stuvia - Study guides, Class notes & Summaries
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SPLH 620 Exam 1 Questions and Answers 100% Correct(SCORED A+)
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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 pro...
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SPLH 620 Exam 1 Questions & Answers 100% Correct(GRADED A+)
- Exam (elaborations) • 3 pages • 2023
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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 -...
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SPLH 620- EXAM #1 QUESTIONS AND ANSWERS (GRADED A)
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What does the nervous system do? - ANSWER-1. controls and coordinates all body functions 
2. senses and interprets information from outside the body 
3. transmits info 
4. integrate info 
5. generate comands 
 
Parts of a neuron - ANSWER--cell body 
-dendrite 
-axon 
 
Cell body (soma) - ANSWER-integrates signal 
 
Dendrites - ANSWER-a neuron's bushy, branching extensions that receive messages and conduct impulses toward the cell body 
 
Axons - ANSWER-a part of a neuron that carries impulses a...
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SPLH 620 EXAM 1 (KU) QUESTIONSAND ANSWERS 100% CORRECT(SCORED A)
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what is the nervous system? - ANSWER-it is a system containing a network of neurons and it controls body functions 
 
what is the CNS? - ANSWER-central nervous system - made up of brain and spinal cord, 
 
what is the PNS? - ANSWER-peripheral nervous system - 
 
sagittal plane - ANSWER-divides brain into right and left 
 
coronal plane (frontal) - ANSWER-divides brain into anterior and posterior 
 
axial (transverse) - ANSWER-divides brain into upper and lower 
 
what are the 2 basic cell types ...
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