Re-uptake results in:     excitement of the neighboring neurons.     more neurotransmitter molecules in the synaptic gap.     less neurotransmitter molecules in the synaptic gap.     unchanged amounts of neurotransmitter molecules in the synaptic gap.

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: Describe the events that happen in between synapse. Start with an action potential in the…

A: The neurons are the cells of the nervous system that are responsible for generation and conduction…

Q: Extracellular recordings create a distinct action potential. Choose the option that best describes…

A: INTRODUCTION :  Extracellular recordings - These are recordings of electrical potentials which are…

Q: The regulation of neurotransmitters DOES NOT include reuptake of the neurotransmission from the…

A: Introduction Neurotransmitters are the chemical substance which is released at the end of a nerve…

Q: "After an action potential has just passed through the axon hillock, the voltage-gated Na+ channels…

A: Thank you for the question  Answer : If a second action potential can be generated it refers to as…

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: Of the below, what do neurotransmitters do?   stimulate presynaptic terminals.   remain in the…

A: Neurotransmitters are defined as the chemical messengers that allow the transmission of a message…

Q: What determines the effect of neurotransmitter release on the post-synaptic neurons? * 1 point…

A: Neurotransmitters are defined as the type of chemical messengers that are released by the neurons…

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: 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: You take a bite of a Fugu cake made with fresh puffer fish liver, and your lips rapidly develop a…

A: Introduction: Pufferfish poisoning can cause a constellation of symptoms including a tingling…

Q: At the axon terminus, gates for a new ion open. What is the ion and which direction does it flow…

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

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: From the time an action potential reaches the axon terminal of a motor neuron until cross bridge…

A: Muscle contraction happens when the sarcomeres are shortened, when the thick and thin fibers slip…

Q: What is the approximate magnitude of the IPSP (how many mV)?What is the approximate magnitude of the…

A: IPSP (inhibitory postsynaptic potential) and EPSP (Excitatory postsynaptic potential) are the action…

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: An autonomic neuroeffector junction Has the same structure as a somatic motor neuroeffector…

A: Neuroeffector junction is a site where a motor neuron releases a neurotransmitter to affect a…

Q: The autonomous nervous system regulates involuntary functions of the body and can be subdivided into…

A: The body shows different responses in different situations like in case of flight or fight the…

Q: If depolarization occurs at the neuromuscular junction and threshold is met, then…

A: If depolarization occurs at the neuromuscular junction and threshold is met, then, the…

Q: When a neuron is a rest, the sodium ions flow through the membrane at a very low rate. Why is this?…

A: Ion channels are essential components of neurons that allow for the production and transmission of…

Q: which of the following is a characteristic of both somatic and autonomic motor pathways? nicotonic…

A: The nervous system is responsible for running specialized mechanisms to maintain the body's…

Q: pre-synaptic neurons?     they stimulate post-synaptic neurons     they are neurons that haven’t…

A: Presynaptic neuros generates the spike which is accepted by the post synaptic neuron. Both types of…

Q: When a neurotransmitter binds with receptors at the membrane, it may cause sodium channels to open.…

A: The endogenous chemicals which makes neurons to communicate with each other throughout the body are…

Q: In the autonomic nervous system, the lower motor neurons directly innervate effector organs.…

A: The correct statement is:The lower motor neurons directly innervate effector organs.

Q: The motor end plate is extensively folded to allow for greater number of what structure? Terminal…

A: Motor end plates are called Neuromuscular junctions, are specialized chemical synapses formed at the…

Q: Which is NOT a criterion in order to be classified as a neurotransmitter? O It is synthesized in the…

A: They are the chemical messengers which transmit the signal from neurons to a target cell across a…

Q: Create Model that reper sents the action potentiel and the synapsa. Clearly explain how > each…

A: The neurons are the structural and functional units of the nervous system, also known as nerve…

Q: A post-synaptic cell responds to an incoming signal by opening chloride gates. What will be the…

A: The synapses are the neuronal connections in the nervous system. The synaptic junction allows the…

Q: Which of the following statements best defines temporal summation?     a single pre-synaptic…

A: Firing of action potential may occur in two ways - temporal summation and spatial summation.…

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: Once a pre-synaptic neuron has stopped firing, all of the following will stop the local potential in…

A: Once the neurotransmitters have been released and have bound to postsynaptic receptors,…

Q: The primary difference between an EPSP and an IPSP is what? The direction of membrane polarization…

A: In EPSP (excitatory postsynaptic potential) the binding of neurotransmitters causes depolarization…

Q: Which of the following best describes saltatory conduction? A process in myelinated axons where the…

A: In contrast to the slow continuous process of depression extending down an unmyelinated axon,…

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: Drag and drop the following events of an action potential into its correct order: Voltage-gated Na*…

A: An action potential occurs in neurons and muscles cell. It can be defined as a sudden, rapid,…

Q: During the resting state, a neuron is: polarized with sodium ions outside the cell and potassium…

A: Introduction :  The fundamental component of the nervous system is the neuron. A cell body,…

Q: Dopamine is a neurotransmitter produced by the nervous system that is involved in the…

A: The nervous system, also known as the neural system, is a complex network of neurons that are…

Q: Which of the following statements regarding the motor end plate in the somatic motor division of the…

A: The preganglionic nerve fibres synapse with the post synaptic membrane of the muscle sarcomere at…

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: If the neuron is stimulated such that its membrane potential changes to 50 mV, what is the sign of…

A: The membrane potential is defined as the variance in electrical potential throughout the plasma…

Q: An influx of positive sodium ions eventually causes closing of the inactivation gates of voltage…

A: When a cell is at a resting state, generally the interior of the cell has negative charge than…

Q: Select the correct term or phrase from the drop- down for each blank to complete the correct…

A: Generation of now impulse in naap fibres depends on distribution of sodium and potassium in and out…

Q: Phase Peak Phase Falling Phase Q2. Phases of the action potential Rising Phase membrane is…

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

Q: The neurotransmitter released by the presynaptic membrane (axon knob) for skeletal muscle…

A: Neurotransmitters are the chemical messengers which are secreted by the axon terminals for…

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: Once an action potential reaches a neurotransmitter release site, the release of the…

A: When an action potential reaches the end of an axon terminal, it triggers the opening of…

Q: How do ACh neurotransmitters cause the “second action potential”

A: Acetylcholine is the neurotransmitter of the parasympathetic nervous system that dilates blood…