When is an action potential triggered? (Choose 1)     When IPSPs exceeds EPSPs   When EPSPs exceeds IPSPs   When chloride channels open   When potassium channels open

Q: What causes Hyperpolarization following the spike of the action potential?

A: The neurons have the capability to generate and transmit nerve impulses that ultimately guide the…

Q: What is a depolarizing graded potential?

A: In depolarization, certain physiological changes happen inside the cell, during which, a shifting of…

Q: a.Would an action potential travels faster in an axon with a wide diameter or a small diameter? b.…

A: The structural and functional unit of the nervous system is called a neuron. A neuron is composed of…

Q: Oligodendrocyte Neurlemma Reset Zoom Schwann cell Basal lamina Nucleus Dendrite Endoneurium…

A: Neurons are nerve cells specialized in conducting nerve impulses in response to stimuli from the…

Q: What are the steps to action potential

A: Action potential  An action potential is a short burst of electrical event that occurs in the…

Q: Describe how graded potentials can lead to an action potential (temporal summation and spatial…

A: The measurable brain reaction to a given sensory, cognitive, or motor event is known as an…

Q: +30 mV Threshold Potential Resting Potential Time Question: In the abnormal action potential (bottom…

A: Action potential  The excitation of neurones by the action of stimulus generates action potential.…

Q: Use Figure Q1(b) of an action potential to answer questions (i) until (iv) below. Choose the correct…

A: The neurons have the capability of generating and transmitting nerve impulses throughout the body.…

Q: conduction velocity will be faster in the patient. conduction velocity will be slower in the…

A: Multiple sclerosis is a permanently disabling disease that affects the brain and the spinal cord. In…

Q: Explain how myelination of the axon results in saltatory conduction, and how this increases the…

A: Neurons are the basic umit of the nervous system and helps in control qnd coordination.

Q: Explain the relationship between threshold potential and an action potential.

A: An action potential can be defined as the phenomenon when there occurs at excitation of the nerve or…

Q: Describe the following terms: specificity, stimulus, receptor potential, synapse, neurotransmitter,…

A: Specificity indicates what percentage of those who do not have the condition have a negative result…

Q: What does summation mean when we talk of postsynaptic potentials? When is summation non-linear?

A: Introduction  Postsynaptic potentials are those that usually occur as a result of alterations near…

Q: Compare and contrast graded potentials and action potentials. What are the functions of graded…

A: In animal cells, the plasma membrane expresses several types of ion channels that participate in the…

Q: What is action potential?

A: Action potential is the short term change in the electric potential on the cell’s surface in…

Q: An EPSP causes a depolarization of 15 mV on a proximal dendrite.  At the same time, an IPSP causes a…

A: The excitatory postsynaptic potential (EPSP) refers to the change in membrane potential of a…

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: The axon of neurone is stimulated experimentally with 25 mv pulse which initiates an action…

A: A neuron is made up of a soma or cell body and a neurite. Neurons transmitting signals away from the…

Q: Describe the changes in the neuron membrane that occur throughout the course of an action potential.…

A: The action potential is an explosion of electrical activity that is created by a depolarizing…

Q: What letter(s) represent the starting point of an action potential?

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

Q: what would happen to the action potential if the potassium channels opened before the sodium channel

A: Neurons and muscles have cells that generate an action potential in response to stimuli. These are…

Q: What is the role of maximal potassium conductance in the generation and propagation of action…

A: An action potential is an electrical signal that travels along the membrane of a neuron. It is…

Q: How do ion channels and sodium-potassium pumps contribute to the resting potential?

A: Ion channels are pore forming membrane proteins that allow ion to pass through the channel pore.…

Q: Explain the all-or-none law of action potentials, and describe the effect of increased stimulus…

A: In reaction to stimuli, the axon membrane permeability to and depends on the opening of gated…

Q: Describe how ion movement generates the action potential.

A: Action potentials can be defined as the nerve signals which are characterized by the sudden, fast,…

Q: Describe how following a threshold stimulus, a action potential is carried along an unmyelinated…

A: Myelination refers to the presence of a myelin sheath on the axons. Myelin sheath is composed of…

Q: Explain summation of EPSPs and IPSPs and the relationship to the initiation of an action potential.

A: The neuromuscular junctions exert stronger effects than the postsynaptic effects generated due to…

Q: What is the point A on the graph? Define this term. B) What ions are moving at B on the graph, what…

A: Action potential An action potential is defined as the sudden rise and fall in the membrane…

Q: Describe the changes that occur to the membrane that result in the action potential? *Include the…

A: Introduction: The brief sequence of events in the membrane potential following excitation is…

Q: Which ion concentration relationship is true when a neuron is at rest? (Select all that apply) More…

A: When a neuron is not sending a signal it is at 'rest'. During the rest state, all the voltage-gated…

Q: IT (4 5. Draw a graph of an action potential. Label the resting potential, threshold potential,…

A: The action potential is also called as nerve impulse. It can be defined as the electrical potential…

Q: what does the oscillatory behavior in action potential indicate or mean?

A: A resting neuron is the one that is not transmitting any impulse and is in the resting stage with…

Q: What happens if a potassium channel opened before sodium channels during the action potential…

A: Rapid change in the membrane voltage across the cell membrane is called as action potential. This…

Q: Explain functions of graded potential, resting potential, and action potential seen in neurons?

A: Neurons are the unit of neural system that helps in communicating point to point and helps in…

Q: How can an EPSPs ability to stimulate action potential be enhanced?

A: The neuron is a specialized cell that is capable of generating an action potential on the cell…