Sodium channel open Potassium channel closed Na - K pump closed The stage of the action potential that is shown above is the very end of the action potential repolarization resting potential depolarization

Q: “All-or-none” response in impulse conductionmeans that

A: A biological cell performs numerous biochemical functions. The longest cell is the neuron. It is…

Q: Pick two neurotransmitters and discuss their effects.

A: Neurotransmitters are the group of chemical messengers synthesized by the nerve fibers of an…

Q: A neuron receiving a large enough signal, a resting potential changes and produces electrical…

A: Introduction  Nerves play vital role in conduction of signals from CNS to various other organs,…

Q: What is the answer to the photos in the image - please have the question numbers to the answer

A: Noncoding regions of an RNA transcript, or the DNA that encodes it, are known as introns. Exons are…

Q: The neurotransmitter secreted at an adrenergic synapse is _____________.

A: Neurotransmitters are the biochemical messengers secreted from nerve cells used to transmit a…

Q: At __________ synapses, neurotransmitters hyperpolarize the membrane, by making it more permeable to…

A: The synapse is the connection between two neurons. In case of chemical synapse neurotransmitters are…

Q: Anaxonic Bipolar Multipolar Unipolar Zoom Reset ī

A: Neuron:-It is a specialized cell that is responsible for the conduction of impulses. Nervous tissue…

Q: The change in the electrical balance between the intra- and extra-cellular fluid that occurs when a…

A: The messages sent by neurons are in the form of electrochemical signals, indicating that these…

Q: Threshold is the minimum depolarization needed to________ Repolarize the membrane Open voltage-gated…

A: Neurons are the structural and functional unit of the nervous system that have the capability to…

Q: An influx of positive sodium ions causes opening of the activation gates of voltage regulated sodium…

A: VOLTAGE GATED SODIUM CHANNELS These are integral membrane proteins that change conformation in…

Q: A/An _____ synapse is formed when a presynaptic neuron synapses with the cell body of a postsynaptic…

A: Chemical synapse

Q: Part One:   The story begins with Synapse  Action potential travels down the axon and reaches the…

A: The neuromuscular junction is responsible for muscle contraction in which neurotransmitters are…

Q: Fill in the blank:  When sodium ions are actively transported outward through a nerve cell membrane,…

A: In neurons the plasma membrane is highly permeable to potassium ion (K+) and less permeable to…

Q: Local potentials are graded

A:

Q: During depolarization, the membrane potential becomes more positive. O True O False

A: Every cell in our body has cell membrane that separates it from the outer environment tissue, The…

Q: Describe the events that lead to the generation of an action potential.

A: Action potential generation is when a neuron rapidly depolarizes from a negative resting potential…

Q: A patient is given a drug that blocks the L-Type calcium channel blocker. Which phase of the action…

A: Signal transduction pathways translate signals received at the cell's surface into cellular…

Q: ________ "mimic" or enhance the action of certain neurotransmitters. Select an answer from the…

A: Neurotransmitters are chemical substances that transmit signals in the brain and other areas of the…

Q: Label: Vesicles Neurotransmitter Synaptic cleft Pre-synaptic neuron Target cell neurotransmitter…

A: A synapse is a structure that permits a neuron to pass an electrical or chemical signal to another…

Q: Fill in the blank:  The type of conduction in which an impulse seems to jump from node to node is…

A: The change in the electrical potential for a short period that travels along a cell is called an…

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: 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: which way does the neurotransmitter NO move

A: The chemical messengers that transmit a message from a nerve cell to a target cell across the…

Q: ____Synaptic potentiation ____ _________results when a presynaptic cell is stimulated repeatedly

A: Synaptic potentiation, synaptic potentiation results when a presynaptic cell is stimulated…

Q: _________________________ is an example of presynaptic modification of synaptic activity. Group of…

A: Presynaptic neuron sends message from its axon terminals and post synaptic neuron receive this…

Q: The change of membrane potential from -70mV to -90 mV is hyperpolarization. T/F

A: Introduction: An action potential is explained as the brief sequence of events in the membrane…

Q: A generator potential is: an EPSP an action potential an IPSP

A: The depolarization of sensory neurons capable of generating an action potential is known as a…

Q: An increase in the magnitude of depolarization by a graded potential will increase the threshold…

A: Graded potentials occur in plasma membrane of cells but in neurons they occur in the synaptic…

Q: Anatomically, the motor endplate potential is characterized by synaptic boutons active zones O…

A: Motor endplate-The specialized postsynaptic area of a muscle cell(myocyte). The motor endplate lies…

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

A: The resting membrane potential between the inner and outer side of the neural membrane is balanced…

Q: Choosing one neurotransmitter, discuss neurotransmission from synthesis to release in the…

A: Neurotransmitters are chemical messengers released by neurons for transmitting signals from nerve…

Q: O fascicle

A: Muscles and nerves are an important part of the body required for locomotion, movement as well as…

Q: Fill in the blank:  Myelin contains a high proportion of _______________________.

A: The basic unit of communication in the nervous system is the neuron. A neuron is also called as…

Q: Action potentials are produced by voltage-gated channels True False

A: In most animal cells, the membrane potential is dictated predominantly by the potassium ions…

Q: The picture here of a cell with extensions reaching to capillaries and a neuron is a(n)…

A: The basic structure of neurons comprises dendrites, cell body, and axon. The message or the…

Q: __________ receive electrical impulses while ___________ conduct them to the next. regarding…

A: Motor nerves are present in CNS mainly in the spinal cord and transmit signals from CNS to muscle.…

Q: Which of the following nerve types leads an action potential most slowly? Group of answer options…

A: Action potential is defined as the sequence of events that takes place during stimulation of…

Q: Synaptic vesicies store calcium

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The arrival of the action potential to the end of neuron causes:

A: When the action potential reaches the end of the neuron , it causes neurotransmitter containing…

Q: PNS is composed of ___________________

A: Sections of the nervous system outside of the brain and spinal cord are referred to as the…

Q: Synaptic terminal Neurotransmitter SENDING NEURON Vesicle Calcium channel Receptor for…

A: The transmission of nerve impulse from one neuron to the next neuron is performed by either chemical…

Q: What is a graded action potential ,when talking about the nervous system, in human anatomy?

A: Graded potentials are changes in membrane potential that vary in size. They include diverse…

Q: ACh that is found in the synapse is called AChE. True or false

A: Acetylcholine (ACh) is the neurotransmitter of parasympathetic nervous system,which contracts the…