Re-uptake results in:     excitement of the neighboring neurons.     more neurotransmitter molecules in the synaptic gap.     less neurotransmitter molecules in the synaptic gap.     unchanged amounts of neurotransmitter molecules in the synaptic gap.

Q: Which of the following describes a threshold potential?   A brief reversal of the charge difference…

A: Answer. All cells have an electrical potential difference, or membrane potential, across the plasma…

Q: Propagation of action potential and transmission mean:   current flow along the cell membrane…

A: Introduction: The action potential is the name given to the brief series of events that occur in 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: Describe the events that happen in between synapse. Start with an action potential in the…

A: The neurons are the cells of the nervous system that are responsible for generation and conduction…

Q: If the membrane potential at the axon hillock becomes subthreshold, an action potential will be…

A: The region of the neuron from which the axon develops is known as axon hillock, and this region is…

Q: "After an action potential has just passed through the axon hillock, the voltage-gated Na+ channels…

A: Thank you for the question  Answer : If a second action potential can be generated it refers to as…

Q: Which of the following occurs immediately after the peak of an action potential? The membrane…

A: Change in electrical potential related with the impulse entry along the membrane of a muscle cell or…

Q: What determines the effect of neurotransmitter release on the post-synaptic neurons? * 1 point…

A: Neurotransmitters are defined as the type of chemical messengers that are released by the neurons…

Q: During the relative refractory period: Can select more than one   K+ channels are open. Na+…

A: The action potential propagation is the method in which a stimulus travels through the neurons, and…

Q: Which of the following does NOT contribute to the establishment or maintenance of the neuron resting…

A: Neuron or nerve cells are cells that act as messengers, they are able to undergo  electrical…

Q: You take a bite of a Fugu cake made with fresh puffer fish liver, and your lips rapidly develop a…

A: Introduction: Pufferfish poisoning can cause a constellation of symptoms including a tingling…

Q: At the axon terminus, gates for a new ion open. What is the ion and which direction does it flow…

A: Action potential generates when the neurons want to pass the information along the body from its…

Q: Which neuron will conduct impulses most rapidly? Neurons with large diameter unmyelinated axons…

A: Neurons are the basic building blocks of the brain and nervous system; they are the cells that…

Q: In the resting state, before or long after an action potential occurs, the activation gates of…

A: Voltage-gated Na+ channels have three main conformational states: closed, open and inactivated.…

Q: Which of the following can an EPSP give rise to? Group of answer options Local hyperpolarization…

A: The nervous system of a human being is a complex system that helps to coordinate behavior and…

Q: In an experiment, a freshly isolated neuron is placed in a bath that has been almost completely…

A: A neuron is a specialized type of cell found in the nervous system that transmits electrical signals…

Q: A nerve impulse travels faster in small myelinated fibers large myelinated fibers large unmyelinated…

A: Answer : large myelinated fibres. - at the speed of 179-268 miles per hour.

Q: If depolarization occurs at the neuromuscular junction and threshold is met, then…

A: If depolarization occurs at the neuromuscular junction and threshold is met, then, the…

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: pre-synaptic neurons?     they stimulate post-synaptic neurons     they are neurons that haven’t…

A: Presynaptic neuros generates the spike which is accepted by the post synaptic neuron. Both types of…

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: 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: Describe the events that occur during action potential  ANSWER SHOULD INCLUDE: Explanation of how…

A: Action potential is defined as the sudden, fast, propagating change of resting membrane potential…

Q: Immediately after an action potential is .34 propagated, which one of the following ions :rapidly…

A: Action potential of a neuron is caused due to a change in the cationic gradients - sodium and…

Q: The ions that most contribute to the voltage properties of the neuronal membrane are: chloride,…

A:

Q: Once a pre-synaptic neuron has stopped firing, all of the following will stop the local potential in…

A: Once the neurotransmitters have been released and have bound to postsynaptic receptors,…

Q: The primary difference between an EPSP and an IPSP is what? The direction of membrane polarization…

A: In EPSP (excitatory postsynaptic potential) the binding of neurotransmitters causes depolarization…

Q: The speed of action potential propagation and synaptic transmissiondecreases with aging. List…

A: Ageing is a natural process that leads to several structural (such as decreased elasticity of the…

Q: In the autoimmune disease multiple sclerosis, a person's immune system attacks and destroys the…

A: Introduction The nervous system is a major regulatory, regulatory, and communication system in the…

Q: Drag and drop the following events of an action potential into its correct order: Voltage-gated Na*…

A: An action potential occurs in neurons and muscles cell. It can be defined as a sudden, rapid,…

Q: During the resting state, a neuron is: polarized with sodium ions outside the cell and potassium…

A: Introduction :  The fundamental component of the nervous system is the neuron. A cell body,…

Q: the action potential starting from the neuron at resting

A: The signals are sent by neurons to long distances by the generation and propagation of action…

Q: The voltage-gated channels potential threshold. O cr Na*

A: The communication of neurons with each other take place with the help of brief electrical signals…

Q: If the neuron is stimulated such that its membrane potential changes to 50 mV, what is the sign of…

A: The membrane potential is defined as the variance in electrical potential throughout the plasma…

Q: If a potassium channel is held open for even longer, leading to an even bigger hyperpolarization of…

A: The Action potential are temporary shift( -ve to +ve)  in the neuron's membrane potential brought…

Q: Summation means that a post-synaptic neuron only has an action potential if:     there are no…

A: The neurons have the capability of generating and transmitting electrical impulses throughout the…

Q: An influx of positive sodium ions eventually causes closing of the inactivation gates of voltage…

A: When a cell is at a resting state, generally the interior of the cell has negative charge than…

Q: Phase Peak Phase Falling Phase Q2. Phases of the action potential Rising Phase membrane is…

A: The nervous system establishes its function by the means of neurons or nerve cells that aid in the…

Q: The neurotransmitter released by the presynaptic membrane (axon knob) for skeletal muscle…

A: Neurotransmitters are the chemical messengers which are secreted by the axon terminals for…

Q: Once an action potential reaches a neurotransmitter release site, the release of the…

A: When an action potential reaches the end of an axon terminal, it triggers the opening of…

Q: Which of the following situations O None of these result in exten O Compromising the inactivatio…

A: Normally, the cells maintain a negative charge compared to the exterior of the cell. This charge…

Q: Which very specific synapse will produce the fastest propagation of an action potential? axosomatic…

A: Introduction A synapse is a junction where the axon of one neuron cell contacts another. Two types…

Q: Which of the following can increase the likelihood of a neuron generating an action potential?…

A: Genesis and conduction of Action potential The axoplasm inside the axon of a nerve contain high…