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NEUROSCIENCE EXAM (A) QUESTIONS WITH COMPLETE SOLUTIONS
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    NEUROSCIENCE EXAM (A) QUESTIONS WITH COMPLETE SOLUTIONS

  • NEUROSCIENCE EXAM (A) QUESTIONS WITH COMPLETE SOLUTIONS Ventricles - Answer-hollow spaces/ cavities within the brain Purpose of Cerebrospinal fluid - Answer-• Serves as a cushion between CNS and surrounding bone • Aids in regulation of intracranial pressure • Provides nourishment to nervous tissue • Removes waste products from the CNS - minimizes shock - carries information Summary of neurodevelopment - Answer-- nervous system starts as a hollow tube - ectotherm thickens a...
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NEUROSCIENCE EXAM 1 QUESTIONS WITH COMPLETE ANSWERS
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    NEUROSCIENCE EXAM 1 QUESTIONS WITH COMPLETE ANSWERS

  • NEUROSCIENCE EXAM 1 QUESTIONS WITH COMPLETE ANSWERS EPSP Summation - Answer-The simplest form of synaptic integration in the CNS. There are two types: spatial and temporal Spatial Summation - Answer-addition of EPSPs generated simultaneously at many different synapses on a dendrite Temporal Summation - Answer-addition of EPSPs generated at the same synapses as they occur in rapid succession (1/15 m sec apart) Length Constant (λ) - Answer-Distance from the synapse where the depolariz...
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NEUROSCIENCE TEST QUESTIONS WITH CORRECT ANSWERS
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    NEUROSCIENCE TEST QUESTIONS WITH CORRECT ANSWERS

  • NEUROSCIENCE TEST QUESTIONS WITH CORRECT ANSWERS Anatomy of a neuron - Answer-dendrites, soma/cell body, nucleus, axon, myelin (oligodendrocytes/ Schwann cells), nodes of Ranvier, axon terminal, synapses, axonal hillock Hypothesized evolutionary origin of neurons: neurosecretory network hypothesis - Answer--neurons evolved to coordinate ciliary activity over larger spatial scale -neurotransmitters are diffusion-limited and signaling at a distance require other mechanisms -neural networks...
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NEUROSCIENCE Q&A
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    NEUROSCIENCE Q&A

  • NEUROSCIENCE Q&A False - Answer-Brainstem related to sensory? Microglial cells - Answer-pathogens by phagocytosis Medulla oblongata - Answer-lateral corticospinal/ pyramidal tract crosses to the other side where Basilar artery - Answer-Which of the following is not a part of the circle of willis ? Bas / POSTEROIR CEREBRAL ARTERY ISOLATERAL - Answer-The occipital lobe of the brain is required by the occipital posterior Posterior cerebral artery - Answer-Which of the following ar...
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NEUROSCIENCE EXAM PRACTICE TEST GUIDE QUESTIONS WITH COMPLETE ANSWERS
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    NEUROSCIENCE EXAM PRACTICE TEST GUIDE QUESTIONS WITH COMPLETE ANSWERS

  • NEUROSCIENCE EXAM PRACTICE TEST GUIDE QUESTIONS WITH COMPLETE ANSWERS Oligodendrocytes and Schwann cells differ in what way: a) Oligodendrocytes are found in the central nervous system, whereas Schwann cells are found in the peripheral nervous system. b) Oligodendrocytes are myelinating glia, whereas Schwann cells are microglia c) One oligodendrocyte will surround one axon, whereas each Schwann cell affiliates with several axons. d) Oligodendrocytes form nodes of Ranvier, while Schwann...
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NEUROSCIENCE EXAM (CHAPTERS 1-4) CORRECT ANSWERS
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    NEUROSCIENCE EXAM (CHAPTERS 1-4) CORRECT ANSWERS

  • NEUROSCIENCE EXAM (CHAPTERS 1-4) CORRECT ANSWERS peripheral nervous system (PNS) - Answer-includes the sensory neurons that link sensory receptors on the body surface or deeper within it w/ relevant processing circuits in the CNS ganglia - Answer-local accumulations of nerve cell bodies and supporting cells nuclei - Answer-local accumulations of nerve cell bodies and supporting cells cortex - Answer-sheet-like array of nerve cells gray matter - Answer-any accumulation of cell bodi...
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NEUROSCIENCE (CH-5) EXAM QUESTIONS WITH CORRECT ANSWERS
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    NEUROSCIENCE (CH-5) EXAM QUESTIONS WITH CORRECT ANSWERS

  • NEUROSCIENCE (CH-5) EXAM QUESTIONS WITH CORRECT ANSWERS Which study demonstrated that cells in the superior temporal sulcus are responsive to gaze direction? - Answer-Perett et al (1992) reaction times are faster to a stimulus if that stimulus is preceded by a previously related stimulus - Answer-priming What is a "grandmother cell"? - Answer-A hypothetical neuron that responds only to one's own grandmother Who put forward a hierarchical model of vision based on single-cell ...
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NEUROSCIENCE EXAM SET QUESTION AND ANSWERS
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    NEUROSCIENCE EXAM SET QUESTION AND ANSWERS

  • NEUROSCIENCE EXAM SET QUESTION AND ANSWERS In the mammalian neurons, which of the following sets of approximate ionic concentrations (in mM) is correct? - Answer-Outside: Na+ [150], K + [3.5], Ca2+ [2.5] Astrocyte resting membrane potential is mostly dependent on the conductances of these ions: - Answer-Potassium Identify correct statement about Nernst and Goldmann equations? - Answer-Nernst equation takes into consideration only the absolute but not the relative ionic permeabilities. ...
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NEUROSCIENCE EXAM #1 DRQ QUESTIONS AND ANSWERS
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    NEUROSCIENCE EXAM #1 DRQ QUESTIONS AND ANSWERS

  • NEUROSCIENCE EXAM #1 DRQ QUESTIONS AND ANSWERS What does the PNS consist of? - Answer-All nerves outside of the CNS. How are the CNS and PNS related? - Answer-The PNS has afferent and efferent pathways that both provide the CNS with sensory input and carries out the commands of the CNS. What is the difference between the ANS and SNS? - Answer-SNS associated with voluntary movements while ANS involved with automatic processes such as heart rate and digestion. How does the ANS and SNS ...
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NEUROSCIENCE PRACTICE EXAM QUESTIONS WITH VERIFIED ANSWERS
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    NEUROSCIENCE PRACTICE EXAM QUESTIONS WITH VERIFIED ANSWERS

  • NEUROSCIENCE PRACTICE EXAM QUESTIONS WITH VERIFIED ANSWERS Nucleolus - Answer-A substructure within the cell nucleus where ribosomes are produced Ribosome - Answer-An organelle in the cell body involved with protein synthesis Endoplasmic Reticulum - Answer-An organelle in the cell body that participates in protein synthesis Golgi Apparatus - Answer-An organelle in the cell body that packages proteins in the vesicles Mitochondria - Answer-Organelles that provide energy to the cell ...
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