Postsynaptic terminal - Study guides, Class notes & Summaries

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WVU Biology 102 Exam 5 Questions and  Answers Already Passed
  • WVU Biology 102 Exam 5 Questions and Answers Already Passed

  • Exam (elaborations) • 15 pages • 2024
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  • WVU Biology 102 Exam 5 Questions and Answers Already Passed What are the functional units of the nervous system? neurons Basic structure / function of the neuron - dendrites, cell body and axon. Dendrites- receive impulses from the synapses of other Axon- place along which the message is sent. Long rope like object. Myelin Sheath- cover around the Axon, increases the speed of the message sent. What happens during an "action potential"? Sodium (Na) start out and then rushes in- ...
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Biology 1107 Final Exam Study Guide (University Of Connecticut) 2024
  • Biology 1107 Final Exam Study Guide (University Of Connecticut) 2024

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  • Biology 1107 Final Exam Study Guide (University Of Connecticut) 2024 along the length of the axon c. Action potential needs to be regenerated by the presence of more voltage gated sodium and potassium channels along the length of the axon d. So if axon is damaged, you would not have transmission of AP, it would never drive at the axon terminal and never release a neurotransmitter e. Myelin- a fatty cell type that wraps around the axon, allowing for jumping of action potential alon...
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NSC Chapter 5 Test with Complete Solutions
  • NSC Chapter 5 Test with Complete Solutions

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  • NSC Chapter 5 Test with Complete Solutions transporters - Answer-special proteins embedded in the vesicle membrane that concentrate neurotransmitters inside the vesicle once the amino acid and amine neurotransmitters are synthesized in the cytosol and then taken up by the synaptic vesicles. voltage-gated calcium channels - Answer-following the depolarization of the terminal membrane, these channel proteins open and let in Ca++ ions; resulting elevation in the ions is the signal that causes n...
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OCCTH 583 Midterm Exam (Answered;graded A+)
  • OCCTH 583 Midterm Exam (Answered;graded A+)

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  • Branchlike parts of a neuron that are specialized to receive information - Answer-Dendrites The part of the neuron that contains the nucleus, which processes and integrates information - AnswerCell Body / Soma A threadlike extension of a neuron that carries nerve impulses away from the cell body - Answer-Axon Nerve - Answer-A bundle of axons makes up a ___ Branches of the axon that allow one neuron to pass the signal to multiple effectors - Answer-Axon Collaterals At the axon hillock - Ans...
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AQA PSYCHOLOGY- BIOPSYCH EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++
  • AQA PSYCHOLOGY- BIOPSYCH EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++

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  • AQA PSYCHOLOGY- BIOPSYCH EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ Divisions of the Nervous System Central Nervous System (CNS): Involves both brain and the spinal cord. Brain is the centre of all conscious awareness. The brain's outer layer is the cerebral cortex and is highly developed in humans. Brain is divided into two hemispheres. Spinal cord transmits messages to and from the brain and also to the PNS. Peripheral Nervous System (PNS): Made up of the nerves outsid...
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NSG 552 Psychopharmacology Exam 1 Study Guide – Complete Latest 2024/2025
  • NSG 552 Psychopharmacology Exam 1 Study Guide – Complete Latest 2024/2025

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  • NSG 552 Psychopharmacology Exam 1 Study Guide – Complete Latest 2024/2025. Phenylalanine (amino acid from diet) -> phenyalanine hydroxylase -> Tyrosine -> Tyrosine hydroxylase -> DOPA -> Dopa decarboxylase -> Dopamine KEY POINT: Dopamine is synthesized directly from tyrosine or indirectly from phenylalanine • Dopamine is packed and stored into synaptic vesicles via the vesicular monoamine transporter (VMAT2) and stored until its release into the synapse. • When dopam...
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PCS Exam 2 Questions & Answers 2024
  • PCS Exam 2 Questions & Answers 2024

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  • PCS Exam 2 Questions & Answers 2024 Electrical Synapse - ANSWERSoccurs in CNS, spanning protein connects cell 1 and 2, voltage change in 1 leads to voltage change in 2. Important in cardiac cells Ca++, into - ANSWERS_____ flows _____ the cell when action potential reaches the axon terminal Excitatory synapse - ANSWERSpostsynaptic channel voltage is greater than threshold Inhibitory synapse - ANSWERSpostsynaptic channel voltage is less than threshold CNS - ANSWERSIn the _____ 1 E...
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Bio 252 Test 2 Review Questions and Correct Answers
  • Bio 252 Test 2 Review Questions and Correct Answers

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  • Presynaptic neurons can form synapses with a post synaptic neuron Axosomatic Interaction between axon and some (or cell body) Axoaxonic synapses Interaction between axon of one neuron and the axon of another Axodendritic interaction between axon and dendrite Electrical syanpses via gap junctions between two adjacent neurons Allows bidirectional transmission Very quick Synchronized action potentials Associated with programmed, autonomic behaviors (breathing) Chemical synapses 1. Action p...
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HUBS 191 Nervous System Exam Questions and Answers |100% Verified and Updated 2024
  • HUBS 191 Nervous System Exam Questions and Answers |100% Verified and Updated 2024

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  • HUBS 191 Nervous System Exam Questions and Answers |100% Verified and Updated 2024 Resting membrane potential -Answer--70mV Open -Answer-Voltage gated ion channels are ? at -60mV Inactive -Answer-Voltage gated ion channels are ? at+30mV Na+ -Answer-Extracellular fluid as a high ? concentration and is therefore positive in comparison to the ICF K+ -Answer-Intercellular fluid has a high ? concentration and is therefore slightly negative in comparison to the ECF Depolarisation -Answer-The ...
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Walden Nurs 6630 Psychopharmacology Study Guide
  • Walden Nurs 6630 Psychopharmacology Study Guide

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  • Walden Nurs 6630 Psychopharmacology Study Guide classic synaptic neurotransmission - ANSWER-stimulation of a presynaptic neuron (e.g., by neurotransmitters, light, drugs, hormones, nerve impulses) causes electrical impulses to be sent to its axon terminal. These electrical impulses are then converted into chemical messengers and released to stimulate the receptors of a postsynaptic neuron. The synaptic cleft - ANSWER-is the gap between the presynaptic neuron and the postsynaptic neuron; it con...
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