Postsynaptic terminal - Study guides, Class notes & Summaries
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WVU Biology 102 Exam 5 Questions and Answers Already Passed
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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
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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
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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+)
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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++
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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
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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
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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
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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
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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
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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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