is it possible for a second action potential to start during the refractory period?

Q: How does hyperpolarisation decrease amplitude of an action potential during a train of action…

A: The rapid and large change of membrane potential of a nerve cell during which the potential reverses…

Q: Describe the propagation of an action potential. Contrast this eventin myelinated and unmyelinated…

A: An action potential is produced in the body of the neuron and spread through its axon.  The action…

Q: sodium rushing into the cell, making the potential difference positive

A: Neurons are the structural and functional units of the nervous system. These cells are specialized…

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: 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: Based on the graph, how soon could another action potential be easily initiated (at the end of the…

A: Nerve cells or muscle cells have a tendency to transmit impulses. The changes in the electrical…

Q: Temporal summation refers to: summation of action potentials in the temporal cortex. summation of…

A: IntroductionThe process of summing, which encompasses both spatial and temporal summation, decides…

Q: action potentials develop at the initial segment of the axon because

A: The neuron is the basic working unit of the brain, a specialized cell designed to transmit…

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: explain diffreence between synapse and neurotransmitter

A: A Synapse is a connection between two nerve cells (neurons) that allows them to communicate. It's…

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: Tru or

A: There is release of neurotransmitters by the inhibitory pre synaptic neurons that bind to the post…

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: An axon has a membrane capacitance of 4 x 10 F and the membrane resistance of 2 KQ. If the speed of…

A: Introduction The part of a nerve cell (neuron) that transports nerve impulses away from the cell…

Q: The rising phase of the action potential is due to: O Na+ influx through voltage-gated Na+ channels.…

A: Introduction  An electrical signal called an action potential passes briefly over the membrane of a…

Q: Explain why the strength of an action potential doesn’t decrease as it travels down an axon.

A: Action potential involves a transient change in the potential of a neuronal membrane that is caused…

Q: What is the term used to describe an action potential apparently jumping from one node of Ranvier to…

A: Action potential refers to the change in the voltage or potential across the membrane of the neuron,…

Q: The rising phase of the action potential is the direct result of the: O inflow of potassium O inflow…

A: A transient membrane potential reversal known as an action potential occurs when the membrane…

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: Efferent neurons of the Multiple Choice ANS innervate skeletal muscle. somatic motor nerves…

A: Efferent neurons are motor neurons that carry neural impulses away from the central nervous system…

Q: Why is the cell unable to initiate another action potential if stimulated during the refractory…

A: The time between two consecutive action potentials is called refractory period. Action potential…

Q: Does the refractory period limit the number of action potentials that a nerve cell can produce per…

A: Action potential is initiated due to a presence of a  stimulus. Normally the potential of a cell…

Q: When is an action potential triggered? (Choose 1)     When IPSPs exceeds EPSPs   When EPSPs exceeds…

A: The development of action potential depends on the movement of specific ions into the neurons that…

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: 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: Discuss the production of an action potential, includingdepolarization and repolarization

A: An action potential is defined as a sudden, fast, transitory, and propagating change of the resting…

Q: Define the refractory period in the propagation of action potential in two sentences. Give its…

A: Introduction: The brief cascade of events in the membrane potential after excitation is termed…

Q: Indicate which gate is responsible for halting the rising phase of the action potential.  1- Na+…

A: Action potentials are the electrical impulses that are responsible for transmitting information…

Q: Local potentials are graded

A:

Q: Describe what happens in the nerve terminal when an action potential reaches there

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

Q: 6. How is all RNA made? Describe the process of translation in terms of the three types of RNA…

A: Introduction  RNA (ribonucleic acid) is a type of nucleic acid that plays a central role in gene…

Q: Neurotransmitter binding to the receptor is transient andreversible. True or false?

A: In human physiology, neurotransmitters are defined as the chemical compound or substances of the…

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: the refractory period limits the number of action .2 potentials that a given nerve cell can produce…

A: The neurons communicate with each other by generating action potentials. An action potential is…

Q: More than one answer may apply When voltage gated sodium channels of a resting neuron open O Na…

A: Neurons (or nerve cells) are the ones that send and receive signals from your brain. They are…

Q: What will happen if threshold value for the generation of action potential is not reached?

A: Action potential is an electrical signal that travels along the cell membrane of neurons. It is…

Q: Temporal summation occurs when local potentials overlap in time.   a TRUE   b FALSE

A: An action potential is defined as the sudden, fast, transitory and propagating change in the resting…

Q: Is an action potential more or less likely under these conditions? Explain.

A: Here, we are asked to explain the behavior's of an unaffected neuron at its membrane resting…

Q: Which one of the following statements about the propagation of the action potential is incorrect? O…

A: The action potential is any shift in the membrane potential due to an increase or decrease of…