Which of the following describes temporal summation? Two pre-synaptic cells send alternating signals to depolarize and then hyperpolarize. Two pre-synaptic cells send simultaneous signals to hyperpolarize. One pre-synaptic cell sends a signal to depolarize and another cell simultaneously sends a signal to hyperpolarize. One presynaptic cell sends a repeated signal to depolarize. Two pre-synaptic cells send simultaneous signals to depolarize.

Q: During excitatory synaptic transmission, the electrical signal carried along the axon of a…

A: The point of electric nerve impulse transmission between two nerve cells (neurons), or between a…

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

A: A single axon will have multiple branches, permitting it to create synapses on varied postsynaptic…

Q: Increasing the amount of action potentials that arrive at the presynaptic terminal will: (Can pick…

A: An action potential is generated when there are a rapid rise and fall of membrane potential across…

Q: If you inhibit the closing of sodium channels what do you predict the effect on neuronal function…

A: Action potential in neuron is the direct consequence of voltage gated sodium channel. During the…

Q: The refractory period goes from "absolute" to "relative" when:   The inactivation gate of Na+…

A: Introduction: When the stimulus strength reaches at least reach the strength of threshold, there is…

Q: Which of the following describe(s) the difference(s) between an EPSP and an IPSP? Select all that…

A: The synaptic junction can be excitatory or inhibitory in nature depending upon the release of which…

Q: Photoreceptor cells form glutamatergic synapses onto bipolar cells and when photoreceptor cells are…

A: When photoreceptor cells are illuminated, they hyperpolarize due to the closure of cation channels.…

Q: Which of the following statements is not true about neurons?   When there is no active nerve…

A: Neurons, specialized cells within the nervous system, play a vital role in transmitting electrical…

Q: Consider the circuit from Q5 (above). We want to add another inhibitory neuron to this circuit to…

A: An action potential is a rapid change in the electrical potential across the membrane of a neuronal…

Q: draw the events occuring at an excitatory synapse and an inhibitory synapse and name one excitatory…

A: The action potential travels from one neuron to another and generates a response as a result of the…

Q: 1.1 What would be the effect of blocking neurotransmitter degradation on neurotransmitter…

A: Neurotransmitter Degradation -- Deactivation of enzymatic degradation ,changes the structure of the…

Q: Compare (consider both similarities and differences), contrast, and give the physiological…

A: Comparison between electrical and chemical synapses are: Electrical synapses are direct connections…

Q: Predatory cone snails are beautiful (picture below), but deadly - they release a cocktail of toxins…

A: The neurons have the capability of generation of action potential and also transferred this action…

Q: Fluorescent FM dyes partition reversibly into biological membranes without penetrating through them.…

A: FM dyes are fluorescent compounds used in the examination of the process of recycling vesicles.…

Q: Identify the stages involved during the changes in membrane potential of the neuron represented in…

A: Nervous system is an important system which helps in maintaining the homeostasis of the human body.…

Q: You apply a drug to a batch of neurons and record membrane potential changes in the presynaptic and…

A: Ans: Chloride (Cl- )

Q: Using the neurons below, how can you decrease the connection strength (amplitude of EPSP) onto the…

A: Disclaimer: "Since you have asked multiple questions, according to the guidelines of Bartleby, only…

Q: Inhibitory postsynaptic potentials cause what type of change at the post-synaptic membrane?

A: Excitatory  Neuron excites their target post synaptic neurones  or target cells causing it to…

Q: When a neuron is a rest, the sodium ions flow through the membrane at a very low rate. Why is this?…

A: Ion channels are essential components of neurons that allow for the production and transmission of…

Q: You generate action potentials in a neuron bathed in solution in a petri dish by applying a…

A: An action potential is a rapid sequence of changes in the voltage across a membrane. This action…

Q: 2) Draw a typical neuron and the relative ion concentrations (high or low) for Na+ and K+ inside and…

A: Neurons are specialized cells responsible for transmitting information throughout the nervous…

Q: that Causes 18 gates been opened to cause this?

A: Hyperpolarization :It is the movement of a cell membrane potential to a more negative value. When a…

Q: When a neurotransmitter binds with receptors at the membrane, it may cause sodium channels to open.…

A: The endogenous chemicals which makes neurons to communicate with each other throughout the body are…

Q: An action potential at a given stretch of a neuron's axon does not re-stimulate the neighboring…

A: Action potential It is defined as the rapid rise and subsequent fall in membrane potential across a…

Q: After an action potential has been initiated, there are two processes that prevent the membrane from…

A: The generation of action potential is very much important characteristics in nerve cells that is…

Q: Besides the standard post- and pre-synapse that exchange information, non neuronal cell types also…

A: Astrocytes are cells having distinct morphological and functional characteristics present within…

Q: A post-synaptic cell responds to an incoming signal by opening chloride gates. What will be the…

A: The synapses are the neuronal connections in the nervous system. The synaptic junction allows the…

Q: Quantal hypothesis refers to all the following except . . . Neurotransmitter is released in packets…

A: The quantal analysis is a group of methods that use statistical models to extract the basic…

Q: What effect would you expect an antagonist that targets the voltage sensing domain of perisynaptic…

A: Introduction  A neuron is a specialized cell that is the fundamental unit of the nervous system. It…

Q: Would anyone be able to explain these different channels? I would like an explanation as to why…

A: All ion channels are primarily located at their respective sites depending on their response to that…

Q: Which phase of impulse transmission would be lacking in a person with Alzheimer's disease? Select…

A: Alzheimer's disease is a brain disorder that results in damage to the brain cells "neurons" and case…

Q: Describe synapses including: Components of a synapse How information is transferred from one neuron…

A: At a synapse signals are transmitted from the synaptic knob of an Axon terminal of the presynaptic…

Q: Distinguish between excitatory post-synaptic potential (EPSP) and inhibitory post-synaptic potential…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Which of the following would occur if you were measuring the voltage of a motor neuron that was…

A: They are regulated by inhibitory neurotransmitters such as glutamate and GABA. They prevent an…

Q: Neuroactive drugs, such as the antidepressant fluoxetine, function by affecting the metabolism of…

A: Fluoxetine is a selective serotonin reuptake inhibitor (SSRI) antidepressant.

Q: An action potential has reached the axon terminal of a presynaptic cell. As a result of the action…

A: An action potential can be defined as a short-term change that can be observed in electrical…

Q: What word is used to describe the release of neurotransmitters to stimulate another cell?

A: Neurotransmitters are chemicals released from axon terminals when their vesicles fuse releasing the…

Q: You have a neural system with three neurons; two presynaptic (PS1 and PS2) and one postsynaptic…

A: Neurons are the fundamental, structural, and units of both the central and peripheral nervous…

Q: Which of the following statements are true with regards to the differences between a neuromuscular…

A: The following statements are true with regards to the differences between a neuromuscular junction…

Q: f a post synaptic neuron is stimulated to threshold by spatial summation this implies that the post…

A: The nervous system is composed of millions of nerve cells called neurons. Synapses are junctions…