1. Please draw the action potential graph (label everything) and describe what happens to the cell membrane during an action potential. I need ion flow in sequence and charges across the membrane, as well as a description of what is going on at each stage (ex. Name of the stage, which ion gates are open, which wat ions are flowing).

Q: Why do voltage-gated sodium channels have three states (open, closed, refractory/open-block)? Select…

A: The refractory period is the time during which a second action potential cannot be initiated &…

Q: This patient's hypokalemia was due to his profuse sweating the previous day and the subsequent loss…

A: Potassium is a mineral, our body cells need this, it regulates our major body parts functions such…

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: +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: 1. Graded potentials are short lived and travel only short distances. Action potentials are long…

A: Graded potential: its the change in electric potential across the membrane of an excitable cell like…

Q: 2. Immediately after an action potential is propagated, which one of the following ions rapidly…

A: Neurons are the basic unit of the nervous system. They are involved in the generation and…

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: Consider the following graph of an action potential: 60- 30- membrane potential (mV) O -30- -60 line…

A: Action potential refers to the sudden rise and fall of membrane potential across a cellular membrane…

Q: Figure 1 shows a schematic of an action potential. How do voltage-gated sodium channels contribute…

A: A neuron can take input from the other neurons and, if the input is powerful enough, convey the…

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: An action potential is shown below. Number 4 on the graph is showing which phase? 3 Membrane…

A: Action potential is a brief reversal of membrane potential where the membrane potential changes from…

Q: Discuss what happens to the action potential shape when the neuronal environment has sodium removed.…

A: Introduction  When the membrane potential of a particular cell site rapidly increases and decreases,…

Q: Potassium flows the cell through leak channels, its gradient. into, down out of , up into , up out…

A: Generation of nerve impulse in nerve  fibre depends on distribution of sodium and potassium in and…

Q: 8. Explain what is happening within the neuron at each step each step of the action potential…

A: Neuron is one of vital component of muscular system which actually helps in transmission of signal…

Q: Graph an action potential, showing the change inelectrical potential on the y-axis and time on the…

A: Neurons communicate with each other and with the controlled organs by passing an electric current…

Q: 1. Describe the role of differential electrical charge across the cell membrane in both non-…

A: Definition: -  Membrane potential or Transmembrane Potential is a the difference of electric…

Q: +50 CD Membrane Potential (mV) -50- A -100 E Time -> O A OB

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

Q: The potential difference that must be met in order for an action potential to be generated When the…

A: Action potential An action potential is defined as an electric impulse that travels down through a…

Q: Match the stages of action potential with the appropriate image or description.   PICK AND MATCH…

A: Action potential is defined as the rapid depolarization and repolarization of the membrane…

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: Compare graded and action potentials are similar and different.

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

Q: which can initially be either depolarizing or hyperpolarizing?

A: The correct answer is graded potential, as graded potentials can initially be either depolarizing or…

Q: An action potential is shown below. At 1 what point in the graph are there lots of sodium ion…

A: Action potentials are a temporary shift (from negative to positive) in the neuron’s membrane…

Q: Compare and contrast action and graded potentials. Your answer should include a definition of each,…

A: An action potential is generated when the potential of a biological membrane rises or falls rapidly…

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: ACTION PÔTENTIAL Describe what happens in each phases of action potential and explain the following…

A: The membrane potential of a cell is determined by the unequal distribution of positive and negative…

Q: Why is action potential considered an “all or nothing” event. (Short answer)

A: An action potential occurs when a neuron has reached a state in which an electrochemical stimulus is…

Q: 6. 7. Identify the following structures on an image of a synapse: Postsynaptic neuron Presynaptic…

A: Transmission of nerve impulse from one neuron to the next neuron occurs at the synapses. There are…

Q: You find a neuron whose resting potential is -90mV. Which of the following are likely to be true?

A: Neurons are structural and functional units of the nervous system. They are originated from…

Q: Select one: O A. hyperpolarizing phase; K channels open B. hyperpolarizing phase: Na channels open…

A: The action potential is the change in the electric potential across the plasma membrane.

Q: What is Membrane Potential t how does it function is it Considered an nd For what? action pokential…

A: The nerve cells or neurons has the capability of generating electrical impulses and conducting the…

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 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: A Membrane potential (V) +50 mV +25 mV Omv -25 mV -50 mV - Open - Closed - Open - Closed - Closed…

A: Answer :- The provided graph illustrates the current generated by a voltage clamp protocol through a…

Q: explain as precisely as you can but in no more than 100 words the ionic basis of an action potential…

A: Introduction :- An action potential (AP) occurs in physiology when the membrane potential of a…

Q: Which image represents depolarizing graded potential?

A: The depolarizing graded potential is most commonly seen due to the influx of Na+ and Ca+ ions into…

Q: An action potential Membrane potential (mV) -40 40 -65 II -80 0 -Overshoot Rising Falling phase…

A: Answer.  Voltage-gated sodium channel are inactivated and locked at point III. Option (b) is…

Q: Determine whether each description refers to local (graded) potentials, action potentials, or both.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 1. Action potential down a neuron: For each step of an action potential, provide a brief summary of…

A: Stages of action potential generation in a neuron - A) Resting membrane potential is established at…

Q: al 40 20 Sodium enters the neuron Potassium exits the neuron -40 Neuron reaches threshold Na+/K+…

A: Diagram is the graphical representation of the action potential that occurs in the nerve cell.

Q: During the action potential waveform, the voltage returns to the resting membrane potential at -70mV…

A: An action potential is a rapid change in the electrical potential of a cell membrane, caused by the…

Q: 4. From the list of terms that follow, please label the figure (at least once) below accordingly:…

A: Electrical and biochemical signals are used in conjunction by nerve cells, or neurons, to…

Q: 4) A neuron with ionic gradients described in the table below receives a synaptic input that opens…

A: The formula to calculate sodium current is V = IR VOLATAGE POTENTIAL ( V) I - CURRENT R - RESISTANCE

Q: Explain all the electrical and mechanical events which occur during each measured wave, segment and…

A: The difference in electrical charge between the inside and outside of a cell membrane is known as…