Presynaptic inhibition is characterized by all the following, except :-a- increased Cl- influx into presynaptic terminalsb- increased Ca ++ influx into presynaptic terminalsc- decreased response of postsynaptic receptorsd- hyperpolarization of presynaptic terminals

Q: Each of the following contributes to the unidirectional propagation of nerve signals EXCEPT_ A)…

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Q: Distinguish between presynaptic & postsynaptic neurons and between axodendritic, axosomatic…

A: Synapse also called neuronal junction, the site of transmission of electric nerve impulses between…

Q: The release of a neurotransmitter from a terminal button produces an inhibitory postsynaptic…

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Q: In the central nervous system there may be many synaptic inputs on a postsynaptic neurons.  How does…

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Q: Which refers to the time during which a neuron can undergo an action potential? O the resting…

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Q: Postsynaptic receptors include all the following types, except :-a- G-protein coupled receptorsb-…

A: Metabotropic receptors are also referred to as G protein linked receptors or G protein coupled…

Q: An ____ neurotransmitter causes ____ of the postsynaptic membrane.a. inhibitory . . .…

A: Neurotransmitters are messengers that transfers the chemical message from one neuron to another…

Q: Synaptic transmission depends upon :- a-direct transmission of impulses from the presynaptic neuron…

A: Nerve cell consists of a dendrite which are branched extentions that help in receiving the stimulus.…

Q: n Neurology, please explain the relationship between suprathreshold depolarization and induced…

A: Neurons communicate with each other via electrical events called action potentials and chemical…

Q: Posttetanic potentiation of a synapse increases the amount of in the axonterminal.a.…

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A: Inhibitory Post Synaptic Potential is a kind of synaptic potential that prevents the generation of…

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Q: Synaptic transmission is inhibited by all the following, except :-a- oxygen lackb- alkalosisc-…

A: The synapse is the junction between two neurons where there is a small gap that neurotransmitters…

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A: Fluoxetin is an antidepressant of selective serotonin reuptake inhibitor(SSRI) class.It is sold…

Q: The ____________  is a period of time in which a neuron is producing an action potential and cannot…

A: Introduction  Nerves play vital role in conduction of signals from CNS to various other organs,…

Q: Saltatory conduction is a term applied to the "jumping" movement of action potentials Multiple…

A: Saltatory conduction is the movement of the action potentials along the myelinated axons from one…

Q: The postsynaptic potential produced in a neuron will be excitatory or inhibitory depending on the…

A: First let us understand the term Postsynaptic Potential. When a nerve impulse is transmitted…

Q: How do neurotransmitters directly affect the postsynaptic neuron? A)They cause a change in the…

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Q: Following release of a neurotransmitter and binding to a receptor, what is the next step in the…

A: Neurotransmitters are the secondary chemical messengers that help in the transit of messages…

Q: Inhibitory postsynaptic potentials (IPSP) are associated with depolarization repolarization…

A: Exchange of information between two or more nerve cells takes place at the synapse, which is the…

Q: A synapse with all of these; a postsynaptic dendrite, an astrocyte end foot, and the presynaptic…

A: Introduction :- Synapses are part of the circuit that connects sensory organs in the peripheral…

Q: A pre-synaptic neuron releases the excitatory neurotransmitter Glutamate. What must be present in…

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Q: Action potentials at a chemical synapse travel from presynaptic terminal to postsynaptic membrane.…

A: Chemical synapses are connections between two neurons. There is a 0.02 μ gap between the presynaptic…

Q: Mark the following statements as true or false. If a statement if false, correct it to make a true…

A: Introduction The excitatory and inhibitory postsynaptic potential is caused by opening Na+ or Na+-K+…

Q: Presynaptic inhibition depends upon :-a- augmented release of chemical transmitter from presynaptic…

A: Presynaptic inhibition is the inhibitory inputs to the nerve cells to make them less likely to…

Q: At an electrical synapse, presynaptic and postsynaptic membranes interface through a. neurofibril…

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Q: After NMDA receptors fully open in a post synaptic hippocampal neuron experiencing long term…

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Q: Two excitatory synapses on a neuron fire at the same time as one inhibitory neuron. Each synapse…

A: Synapse is also known as neuronal junction and it allows a neuron to pass an electrical or chemical…

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Q: Synaptic fatigue is due to : -a- decreased synthesis of neurotransmittersb- inability to release…

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Q: Which of the following statements concerning synapses is FALSE? O A) Modulation of synaptic strength…

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Q: Briefly describe how silent glutamatergic synapses become activated during long term potentiation,…

A: The principal excitatory synapses are the glutamatergic synapses in the brain. They contain…

Q: In a resting neuron, there are more ions inside the cell and more ions outside the cell. sodium;…

A: Introduction :- The voltage across a cell membrane during the resting stage is known as the resting…

Q: In which of these ways does a metabotropic synapse differ from an ionotropic synapse? a. Its effects…

A: The binding of neurotransmitters activates the ionotropic and metabotropic membrane-bound receptors.…

Q: which one of the following statements is incorrect? a. temporal summation occurs when a single…

A: A neuron is a basic unit that serves as a medium for the transmission of a signal (nerve impulse)…

Q: the postsynaptic mechanism of excitatory and inhibtory synapses

A: The postsynaptic conductance changes and the potential changes are that which accompany them alter…

Q: Opening of ligand-gated Cl- channels causes :-a- inhibition of the postsynaptic neuronb-…

A: Ligand gated ion channels open in response to specific ligand molecules binding to the extracellular…

Q: The central nervous system is connected with the peripheral nervous system by all the following…

A: Central nervous system is the nervous tissue that is aimed at controlling the activities of the…

Q: If a neurotransmitter increases the likelihood that the postsynaptic cell will send an action…

A: Answer: Neurotransmitters are the chemical messenger present in the body, which transmits the…

Q: In chemical synapses, transmission occurs in a forward direction     because :-a- neurotransmitter…

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Q: If a neurotransmitter molecule binds to postsynaptic receptors, the result can be the resting…

A: Neurotransmitters These are chemical messengers that are involved in carrying out the chemical…

Q: Lidocaine is an anesthetic that is used to prevent the propagation of action potentials. Which…

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Q: Match the description with the statement that best describes the following neural circuits. a single…

A: Neural circuits are groups of neurons interconnected by synapses to carry out a specific function…

Q: Long-term potentiation of synaptic transmission :-a- is involved in pain control systemb- is caused…

A: The nervous system is one of the vital systems of a body. It is a system of nerves which carry…

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