Action potentials at a chemical synapse travel from presynaptic terminal to postsynaptic membrane. travel from postsynaptic membrane to presynaptic terminal. travel back and forth from presynaptic terminal to postsynaptic membrane. travel from presynaptic terminal to presynaptic membrane. stop at the presynaptic terminal and are regenerated on the postsynaptic membrane.

Q: Which of the following describes a threshold potential?   A brief reversal of the charge difference…

A: Answer. All cells have an electrical potential difference, or membrane potential, across the plasma…

Q: Increasing the amount of action potentials that arrive at the presynaptic terminal will: (Can pick…

A: An action potential is generated when there are a rapid rise and fall of membrane potential across…

Q: In a combination of excitatory or inhibitory synaptic connections the following is true it is poorly…

A: The Stretch reflex is an example of a monosynaptic reflex with direct connections between the…

Q: If you inhibit the closing of sodium channels what do you predict the effect on neuronal function…

A: Action potential in neuron is the direct consequence of voltage gated sodium channel. During the…

Q: If the membrane potential at the axon hillock becomes subthreshold, an action potential will be…

A: The region of the neuron from which the axon develops is known as axon hillock, and this region is…

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: Compare (consider both similarities and differences), contrast, and give the physiological…

A: Comparison between electrical and chemical synapses are: Electrical synapses are direct connections…

Q: When ionotropic receptors allow the influx of ions, the postsynaptic cell depolarizes. When they…

A: The neurons are the cells of nervous system that has the conducting capability. The nerve impulse…

Q: Put the events for action potential generation in a neuron in the correct order (From 1-9)

A: Action potential generation is a fundamental process in neurons, allowing them to transmit…

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: You apply a drug to a batch of neurons and record membrane potential changes in the presynaptic and…

A: Ans: Chloride (Cl- )

Q: When they are not being stimulated, neurons have an electrical charge across their membranes called…

A: The control and coordination of the body in humans occur by two systems: the nervous system and the…

Q: Describe how different post-synaptic potentials can be summated on a single neuron to determine if…

A: Synapse is a junction that mediates information transfer from one neuron to another neuron or an…

Q: From an action potential traveling towards the presynaptic terminal to the potential change in the…

A: Ionotropic synaptic transmission This transmission involves the ionotropic receptors which are also…

Q: ATP is used to power the creation of a neuron's resting potential. True False

A: Resting potential of the neuron is -70 mV.

Q: Describe synapses including: Components of a synapse How information is transferred from one neuron…

A: At a synapse signals are transmitted from the synaptic knob of an Axon terminal of the presynaptic…

Q: When you consider the entire synapse (which includes the presynaptic membrane, the synaptic cleft,…

A: Synapse is a gap between the membrane of two nerve fibres. These membranes are called presynaptic…

Q: Which of the following would occur if you were measuring the voltage of a motor neuron that was…

A: They are regulated by inhibitory neurotransmitters such as glutamate and GABA. They prevent an…

Q: An action potential has reached the axon terminal of a presynaptic cell. As a result of the action…

A: An action potential can be defined as a short-term change that can be observed in electrical…

Q: f a post synaptic neuron is stimulated to threshold by spatial summation this implies that the post…

A: The nervous system is composed of millions of nerve cells called neurons. Synapses are junctions…

Q: Which of the following describes the concentration of K+ and Na+ ions in and around a resting…

A: An action potential is an electrical signal that travels along the surface of a cell. This signal is…

Q: Order the following in the correct sequence that results in generation of action potential

A: An action potential is primarily known as a sudden, rapid, propagating, and transitory change of the…

Q: In chemical synapses, neurons communicate with other neurons or skeletal muscles via…

A: Following are the steps in the neurotransmission in chemical synapses :- 1) synthesis of…

Q: Summation means that a post-synaptic neuron only has an action potential if:     there are no…

A: The neurons have the capability of generating and transmitting electrical impulses throughout the…

Q: Draw a presynaptic and postsynaptic neuron at to demonstrate the release and acceptance of a…

A: SNARE protein play important role in release of neurotransmitter from synaptic vesicles  as they…

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: Which very specific synapse will produce the fastest propagation of an action potential? axosomatic…

A: Introduction A synapse is a junction where the axon of one neuron cell contacts another. Two types…

Q: Neurotransmitters, the chemicals used in signaling across synapses, can be either re-absorbed by the…

A: Neurotransmitters can serve as chemical messengers for ion channels, neurotransmitter mainly causes…

Q: Inhibitory postsynaptic potentials cause what type of change at the post-synaptic membrane?…

A: Introduction:  Post-synaptic potentials are neurotransmitter receptors that mediate changes in…

Q: Explain the mechanism by which action potentials are prevented from being propagated to a…

A: Action potential Is a shift in the resting membrane potential that is immediate, rapid, transitory,…

Q: In terms of function when a presynaptic neuron receiving input from a nearby inhibitory neuron,…

A: After a signal molecule binds to the cell receptor, a sequence of conformational changes occurs. The…

Q: Early in an action potential, the inside of the axon becomes less negatively charged relative to the…

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

Q: Which of the following is FALSE about action potentials?      At resting potential, there are more…

A: Change in the membrane potential are brought about by changes in ion movement across the membrane.…

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…