Albert, the patient in question 3, takes the drug lithium, which reduces the permeability of the neuronal axolemma to Na+. Predict the effect this would normally have on his neuronal action potentials. Do you think this drug would be beneficial or harmful, considering his condition?

Q: Alpha2 receptors are found on _____________ neurons and mostly for modulation of the synapse.…

A: The alpha-2 (α2) adrenergic receptor is a G protein-coupled receptor (GPCR) related to the Gi…

Q: is there a benefit to memorizing the names of the cells, tissues, bones and joints?

A: Memorization refers to the process of learning something and committing it to memory. The memory…

Q: sometimes the terms neuron and nerve are mistakenly used interchangeably. explain the difference…

A: Neurons are the structural and functional unit of nervous system. They are composed of mainly two…

Q: A synapse is basically the same thing as a neurotransmitter. a. True b. False

A: Neuron is the structural and functional unit of nervous system. Electrical signals are transmitted…

Q: In multiple sclerosis, nerve fibers in the CNS lose their myelin. Explain why this loss affects…

A: The nervous system plays an important role in transmitting the reflexes from the tissues to the…

Q: This is a major inhibitory neurotransmitter which slows CNS function

A: Nervous system is majorly classified into two types, central nervous system and peripheral nervous…

Q: Tricyclic antidepressants, such as imipramine hydrochloride, have been prescribed for treatment of…

A: Attention deficit-hyperactivity-disorder is commonly found in children. The condition is…

Q: action potentials develop at the initial segment of the axon because

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

Q: A child eats a whole bottle of salt (NaCl) tablets. What effect doesthis have on action potentials?

A: The resting membrane potential can be described as the potential caused due to the difference in the…

Q: he rate of conduction of an action potential along a nerve fiber is affected by a range of things.…

A: Introduction Nerve conduction:- It is an electrochemical process, Conduction of nerve impulse occurs…

Q: Hyperkalemia was discussed at length in this module.  If a cell is experiencing hyperkalemia, what…

A: Question-  Hyperkalemia was discussed at length in this module.  If a cell is experiencing…

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

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

Q: Chemicals such as organophosphate pesticides inhibit the activity of acetylcholine esterase. What…

A: In the central nervous system, a synapse is a small gap at the end of a neuron . It allows the…

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: To maintain ________ action potentials are sent through ______ neurons.

A: Introduction  The fast rise and fall of the membrane potential at a particular cell site is known as…

Q: Monoamine oxidase inhibitors (MAOIs) are drugs that inhibit MAO, the enzyme which normally would…

A: Dopamine is a neurotransmitter. When it binds to it's receptors present on the post synaptic neuron…

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: 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: Tru or

A: There is release of neurotransmitters by the inhibitory pre synaptic neurons that bind to the post…

Q: In the peripheral nervous system, Schwann cells form myelin sheaths.

A: The axons of both the central nervous system and the peripheral nervous system are myelinated by…

Q: 8. Explain what is happening within the neuron at each step each step of the action potential…

A: Neuron is one of vital component of muscular system which actually helps in transmission of signal…

Q: Describe how action potentials are conducted by unmyelinated nerve fibers. Why is saltatory…

A: Introduction :- Conductability is the capacity to conduct the electrical along it's pathway. The…

Q: Classify the following neurotransmitters as excitatory or inhibitory: Acetylcholine Serotonin…

A: Neurotransmitters are secondary chemicals used by the neurons use to communicate with one another…

Q: If postsynaptic membrane permeability is increased, is theneuron more easily stimulated or less…

A: The permeability of a cell refers to the transportation of ions that occurs through the cell…

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: Select ALL statements that are TRUE regarding a drug that would inactivate the enzyme…

A: A drug that inactivates the enzyme called acetylcholinesterase is known as Acetylcholinesterase…

Q: Define the refractory period in the propagation of action potential in two sentences. Give its…

A: Introduction: The brief cascade of events in the membrane potential after excitation is termed…

Q: f a patient was experiencing difficulty controlling their movement and displaying motor tremors and…

A: The nervous system can be described as an organ system associated with the flow of information from…

Q: There is no cure for Alzheimer’s disease, but cholinesterase inhibitors can be used to treat…

A: Alzheimer’s disease is a neurodegenerative disease that is characterized by progressive loss of…

Q: In the introduction section the authors wrote “In general, the polarity-dependent mechanisms are…

A: Anodal stimulation is a type of electrical stimulation that involves passing a positive electric…

Q: A patient takes a stimulant that produces euphoria, as well as an increase in heart rate and blood…

A: Introduction Stimulants are known for enhancing CNS and PNS activity, despite their abuse. These…

Q: If two action potentials from two different presynaptic nerve cells reach the target cell at the…

A: Summation means addition of any two or more things. Summation is of two types namely: Spatial…

Q: viour Choose ] His neurons will be incapable of graded potentials It will take larger-than-usual…

A: Voltage gated potassium ion channels are transmembrane channels that play a very important role…

Q: At a given synapse, the _____ neuron has neurotransmitter receptors.

A: Neurotransmitter receptors:                       The receptors present in the plasma membrane of…

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: In some cases of ADD (attention deficit disorder) the impulsive, erratic behavior can be normalized…

A: Introduction: Attention deficit disorder is a neurological disorder that includes symptoms like…

Q: A damaged axon in the PNS may be able to regenerate only if the cell body is intact. why do you…

A: A neuron comprises many dendrites and each of them has one axon, which is also known as the nerve…

Q: Discuss and draw the Hodgkin–Huxley model of action potentials in neurons

A: Hodgkin and Huxley were the researchers who performed experiments in Axon of the Squid and found the…

Q: Which of the following nerves would be expected to have the slowest conduction rate of action…

A: An axon is a long, slender projection of a neuron (nerve cell) that typically conducts electrical…

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…