What happens during the rising phase of the action potential?

Q: Both potassium and sodium channels located along the nerve membrane are voltage-gated. This means…

A: Neurons send the signal electrochemically. The chemical molecules are called ions to have an…

Q: What guarantees that there are unidirectional action potentials? Choice A threshold  B.…

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

Q: Voltage-gated Na+ channels open upon reaching what state? a. resting potential b. threshold c.…

A: Voltage-gated ion channels can be defined as the transmembrane proteins which formed the ion…

Q: Can you explain to me why choice E is the correct answer and break down why the other options are…

A: Resting potential is the membrane potential when the neurons are not sending electrical signals,…

Q: During an action potential, the inside of the cell membrane becomes more positive than the outside.…

A: Action potentials are a method of propagation of signal along the axon of a neuron and are required…

Q: Which of the following voltages would most likely be measured during the relative refractory period?…

A: The action potential is the continuous rise and drop of the voltage of the cell membrane. Neurons…

Q: What membrane protein of the neuron is responsible for briefly increasing the Na+ permeability of…

A: Ans:- the option is (c)-the voltage gated sodium chennel.

Q: Depolarization and repolarization changes that occur during the action potential are produced by…

A: Introduction: Just neurons and muscle cells are fit for creating an action potential and that…

Q: Which of the following is the plateau stage of the action potential? A. Phase 0 B. Phase 1 C. Phase…

A: The heart is an excitable organ which can spontaneously generate action potentials. There are three…

Q: Which of the following statements is TRUE of the action potential?

A: Sodium –potassium pump is one of the major biochemical pathways leading to critical physiological…

Q: A local potential will only lead to an action potential if is reached O a. depolarization b. resting…

A: A sudden, rapid, transitory, and spreading change of resting membrane potential is an action…

Q: A channel opens on a postsynaptic membrane that causes a negative ion to leave the cell. What type…

A: Graded potentials are changes in membrane potential that vary in size, as opposed to being…

Q: Using cable theory to describe axon conduction would tell us a. the larger the diameter of the axon…

A: In an ion cascades, action potentials move along neuronal axons. Transmembrane pathways near the…

Q: What guarantees that there are unidirectional action potential? A. threshold B. depolarization…

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

Q: an excitatory synapse and inhibitory synapse generate postsynaptic potentials on the same neuron…

A: PSP defines the changes of electric potential in a neuron for a transient period of time. It happens…

Q: Use this illustration to place these events in the order they occur during synaptic communication:…

A: The above image shows the transmission of nerve impulses across a synapse. A synapse is a small…

Q: What determines the effect of neurotransmitter release on the post-synaptic neurons?  a. the size of…

A: Neurotransmitters are chemicals responsible for carrying a signal or an impulse via a synapse. They…

Q: Which of the following allows the cell to recover from hyperpolarization during an action potential?…

A: The transmission of signals across the different regions of the body occurs in the form of…

Q: During the rising portion of the action potential, which ions are moving across the membrane and in…

A: Action potential exhibits the potential difference across the membrane of a neuron.

Q: The nerve impulses always travel in one direction from dendrites to axon terminals. What prevents an…

A: The neurons are the specialized cells which make up the nervous system. These cells have a special…

Q: In the membrane of a neuron, what happens during an IPSP? A. All the ion gates in the membrane…

A: The nerve tissue is made up of many nerve cells called as neurons. These neurons are the structural…

Q: When a vigorous pinch excited a dog’s flexor muscle, it decreased excitation of the extensor muscles…

A: In animals and in humans, the muscular system is responsible for producing movement. This system is…

Q: What statement about synapse activity is false? A.The input of sodium ions by AMPA receptors is…

A: The actual location where information is passed between neurons is at synapses. The connectors known…

Q: The made-up drug leakyhose degrades myelin resulting in myelin becoming more porous and therefore a…

A: The longest cell in the human body is called the neuron or nerve cell. This cell transmits the…

Q: In an experiment you place a neuron and its synaptic contacts into a medium containing no calcium…

A: Neuron  Neuron is basic structural and functional unit of brain. It helps in transmission of signal…

Q: Post synaptic neurons membrane potentials are less negative than resting membrane potentials when…

A: Post-synaptic neurons are the neurons that receive signals (in the form of neurotransmitters) from…

Q: In which of these ways does a metabotropic synapse differ from an ionotropic synapse? a. Its effects…

A: The binding of neurotransmitters activates the ionotropic and metabotropic membrane-bound receptors.…

Q: Assume a neuron's membrane potential is -60 mV, what's the net consequence on the membrane potential…

A: Action potentials are produced by axons and transmitted to local neurons. When a local neuron gets…

Q: Which best defines depolarization?   A. At first polarity is reversed the continues until the…

A: Polarization is the existence of opposite electrical charges on either side of a cell membrane.…

Q: etermine whether each statement is true or false. If a statement is false, explain why. A. Voltage…

A: These statements are regarding the conduction of impulse. An impulse is a kind of electrical changes…

Q: The axon hillock of a neuron reaches the threshold of excitation and the membrane potential becomes…

A: Potential for action is a fast reversal of membrane potential in which the membrane potential shifts…

Q: A neuron may receive signals from thousands of synaptic terminals. What determines whether the…

A: The peculiar structure of a neuron allows it to carry electrical messages, often known as nerve…