If an excitatory neurotransmitter binds to the post-synaptic neuron, what type of an event will that cause? What happens if the neurotransmitter is an inhimitory neurotransmitter? What type of ion will move into the post-synaptic neuron?

Q: What is the difference between an excitatory postsynaptic potential and an inhibitory postsynaptic…

A: Postsynaptic potentials are changes within the membrane potential of the postsynaptic terminal of a…

Q: In the central nervous system there may be many synaptic inputs on a postsynaptic neurons.  How does…

A: A single axon will have multiple branches, permitting it to create synapses on varied postsynaptic…

Q: What will happen when ligand gated sodium channels open on a neuron? What will enter/exit the cell?…

A: Ligand-containing ion channels bind to neurotransmitters and are open to responding to ligand…

Q: An undisclosed drug (Drug A) is a drug that can block voltage-gated K+ channels when being…

A: Snake venoms that are neurotoxic mainly impact the neuromuscular junction, disrupting…

Q: How do the structural and chemical propertiesof the synapse ensure that communication proceeds in a…

A: Neurons can be described as the brain cells that can be excited electrically to transmit information…

Q: If you increase the amount of neurotransmitter in the synaptic cleft, how would you expect the…

A: Neurotransmitter These are defined as the chemical messengers that carry chemical signals from one…

Q: Photoreceptor cells form glutamatergic synapses onto bipolar cells and when photoreceptor cells are…

A: When photoreceptor cells are illuminated, they hyperpolarize due to the closure of cation channels.…

Q: When serotonin blocks potassium channels on the presynaptic terminal, what is the effect on…

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

Q: 1.1 What would be the effect of blocking neurotransmitter degradation on neurotransmitter…

A: Neurotransmitter Degradation -- Deactivation of enzymatic degradation ,changes the structure of the…

Q: 14) Review the process by which an action potential is conducted across a synapse. Suppose that in…

A: A neuromuscular junction is a biochemical synapse between muscle fiber and a motor neuron. It…

Q: Let’s say the synapses of a neuron’s dendrites are filled with glutamate-gated channels which, when…

A: EPSP refers to the excitatory postsynaptic potential which is generated as a result of the…

Q: Which of the following is the most direct result of depolarizingthe presynaptic membrane of an axon…

A: Neurotransmitters refer to the endogenous chemicals, which enable neurotransmission. These are the…

Q: A new drug opens calcium ion channels in the membrane of the postsynaptic neuron. Would this produce…

A: There are many different types of cells in the body which form various organs and organ systems. For…

Q: Tetrodotoxin is a poison that prevents voltage-gated channels from opening. Would this toxin prevent…

A: Tetrodotoxin is a potential neurotoxin which is extremely poisonous and can be found in the liver…

Q: How might the disease multiple sclerosis affect transmission of action potentials along a myelinated…

A: Sclerosis : It is the stiffening of a tissue or anatomical feature, usually caused by a replacement…

Q: n Neurology, please explain the relationship between suprathreshold depolarization and induced…

A: Neurons communicate with each other via electrical events called action potentials and chemical…

Q: Why does neuronal function require the voltage-gated K+ channels to open more slowly than the…

A: Voltage-gated channels are specialized proteins that are essential for the generation and…

Q: Which of the following glial cells provide myelin in the central nervous system?

A: The central nervous system is composed of the brain and the spinal cord. The brain is a complex…

Q: Arrange the events that occur during synapti correct sequence. Use the diagram on the right as a…

A:

Q: Since at any moment a neuron is likely to have thousands of neurons releasing neurotransmitters at…

A: Neurons are communication messengers. They utilize electrical impulses and chemical signals to…

Q: Why does a myelinated axon conduct action potentials faster than a nonmyelinated axon?

A: The neuron is the basic working unit of the brain, a specialized cell designed to transmit…

Q: ou observe that a neuron treated with a metabolic inhibitor which prevents ATP generation still can…

A: Neurons are the basic unit of the nervous system. The lipid bilayer is selectively permeable and is…

Q: I have stimulated a neuron with dopamine for a second followed by treating it with cocaine and…

A: Homeostasis of calcium ions is essential for survival and neuronal function. In the nerve cells,…

Q: 2) Draw a typical neuron and the relative ion concentrations (high or low) for Na+ and K+ inside and…

A: Neurons are specialized cells responsible for transmitting information throughout the nervous…

Q: A F - E Match the labelled synapse structure with the correct structure or function. Place the…

A: We can say that A synapse is a junction between two neurons. This helps in the signal transmission…

Q: Describe how following a threshold stimulus, a action potential is carried along an unmyelinated…

A: Myelination refers to the presence of a myelin sheath on the axons. Myelin sheath is composed of…

Q: Impact of heat on A Impact of ice on Al Impact of drug X on A Impact of drug X on B

A: Inhibitory neurons are those neurons that produce neurotransmitters to reduce the ability of…

Q: What is the point A on the graph? Define this term. B) What ions are moving at B on the graph, what…

A: Action potential An action potential is defined as the sudden rise and fall in the membrane…

Q: What triggers neurotransmitter release at the synaptic cleft?

A: The nervous system is a complex system of nerves and specialized cells known as neurons. The nervous…

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: What would happen to synaptic transmission if you blocked the degradation and/or reuptake of…

A: Neurons or nerve cells are the basic structural and functional unit of the brain. Brain tissue…

Q: Ethosuximide is a drug used to treat epilepsy, particularly absence seizures. It blocks ion channels…

A: Ethosuximide is the drug that is used to control the seizure. It helps to control the absence of…

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: Why is saltatory conduction along a myelinated axon faster than continuous conduction along an…

A: The cell body comprises the nucleus and other cell organelles. Dendrites expand from the cell body…

Q: Describe the resting potential for neurons. How is this potential established? Describe the…

A: A neuron or a nerve cell is the structural and functional unit of the nervous system. They are…

Q: What are the differences between myelinated and unmyelinated axons? Which conducts axon potentials…

A: Neurons(nerve cells) are defined as the specialized cell which acts as the fundamental unit of brain…

Q: Which is the most likely outcome? ✓ [Choose ] Both interneurons fire action potentials The…

A: These are the types of Graded Potential. EPSPs are excitatory signals which causes depolarisation of…

Q: If a neuron is stimulated simultaneously by 2 stimuli at its dendrites (one generates a very large…

A: The cells of nervous system are called neurons. They have 3 distinct parts, including the body of…

Q: what happens to the conduction velocity of an axon that is isometrically twice as  big as another…

A: Axons can emanate from dendrites known as axon-carrying dendrites in some animals. No neuron ever…