Since neurotransmittersare not consumed in thesynaptic process, what are themechanisms to reduce theirconcentrations in the synapticcleft after they have beenused?

Q: Distinguish between presynaptic & postsynaptic neurons and between axodendritic, axosomatic…

A: Synapse also called neuronal junction, the site of transmission of electric nerve impulses between…

Q: Although one pinch did not cause a dog to flex its leg, several simultaneous pinches at nearby…

A: The brain is the organ that is Central to the nervous system. The nerves throughout our body carries…

Q: What is the relationship between action potentials andimpulses?

A: The nervous system is highly complex among different organ systems in animals. By transmitting…

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: Parkinson disease is the result of decreased levels of theneurotransmitter dopamine in the brain.…

A: DopamineIt is present in the brain of the majority of animals and they belong to a drug family…

Q: Which type of neuron, based on its shape, is bestsuited for relaying information directly from one…

A: Neurons are the structural and functional unit of the brain. They involved in sensory signal…

Q: What neurotransmitter do motor neurones release

A: Biochemistry is a branch of science that deals with the study of chemical processes related to the…

Q: What are the functions of the anterolateral and dorsalcolumn/medial-lemniscal systems? Describe…

A: The dorsal column-medial lemniscus pathway is a sensory pathway which is one of the ascending tracts…

Q: Transmission of the nerve impulse across a synapse isaccomplished bya. the release of Na+ at the…

A: Introduction  Neuron/Nerve: A neuron is a single nerve cell which consists of central cell body,…

Q: Which of the following is not a method for removing neurotransmitter from the synaptic cleft?

A: Neurotransmitters chemical stimulus that is transmitted from one neuron to the other until the…

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: Contrast the two major types of descending motor pathways interms of structure and function?

A: The motor neurons are those neurons that take the message (response to the stimulus) from the brain…

Q: A motor neuron in the spinal cord typically receives input from neurons that originate in several…

A: There are approximately 86 billion electrically excitable neurons in the human brain. Based on the…

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: Regeneration of a severed axon has a better chance forsuccess in the PNS than in the CNS. Why is…

A: The nervous system involved in the transmission of impulses from all parts of the body to the brain…

Q: How is it structurallyexplained that the motoractivity of the left side of thebody is controlled by…

A: The brain is divided into three main parts. 1. Cerebrum : this consists of the largest part of the…

Q: All of the following are directly involved in synaptic transmission excepta. voltage-sensitive ion…

A: All of the following are directly involved in synaptic transmission except

Q: The autonomic portion of the PNS functions _________.a. consciouslyb. voluntarilyc. without…

A: Answer is b.) voluntarily.

Q: What are the two major classes of neurotransmitter? How dotheir modes of action differ? Give an…

A: Neurotransmitters are the substances which neurons use to communicate with one another and with…

Q: Sunhil suffers from a stroke and loses the ability to move his right arm and hand. However, after…

A: * stroke mainly affects the shoulder,elbow and upper limb and hand. *Stroke will usually affect the…

Q: Visit this site (http://openstaxcollege.org/l/neurolab)to see a virtual neurophysiology lab, and to…

A: The nervous system consists of nervous tissues. Neurons, also known as nerve cells are the…

Q: Cell bodies of UMN that synapse on LMN lie in all of these areas EXCEPT    a) Medulla            b)…

A: An upper motor neuron is a term used to describe what is damaged when a patient displays a variety…

Q: Why would you expect the motor skills of a child to improve as myelinationcontinued during early…

A: Myelination helps in increasing the connection. Between the neuron so that a signal transmit faster

Q: Three-year-old Jessica proudly shows you how she can wiggle her left big toe in the sand. Where…

A: Anatomy is the study of the structure of the human body. The body is composed of cells that are the…

Q: What is the mechanism bywhich the neural impulse istransmitted along the axon?

A: Communication between neurons is achieved at synapses by the process of neurotransmission. To begin…

Q: Neurotransmitter binding to the receptor is transient andreversible. True or false?

A: In human physiology, neurotransmitters are defined as the chemical compound or substances of the…

Q: A patient with a cerebral lesion exhibits loss of fine motor control ofthe left hand, arm, forearm,…

A: The right cerebral cortex controls the left portion of the body. The cortical region includes a…

Q: Some movements (such as picking up a cup) are visuallyguided, or steered. Others (such as throwing a…

A: The nervous system helps the muscular system (muscles in our body) to contract. There are two types…

Q: If your body was transmitting a signal between hemispheres of the brain, the signal would travel O…

A: If your body was transmitting a signal between hemispheres of the brain, the signal would travel A.…

Q: What are some diseasescharacterized by progressiveloss of the axonal myelinsheath?

A: An abnormal condition which affects the structure or function of a part or whole body organism…

Q: What is the excitationthreshold of a neuron? Howdoes this threshold relate tothe “all-or-nothing”…

A: Neurons, also known as nerve cells are the fundamental unit of brain and nervous system. They are…

Q: Contrast the functions of upper and lower motor neurons.

A: Neurons are the cells of the nervous system that conduct nerve impulses.

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: A synapse with all of these; a postsynaptic dendrite, an astrocyte end foot, and the presynaptic…

A: Introduction :- Synapses are part of the circuit that connects sensory organs in the peripheral…

Q: What is resting potential?

A: Plasma membrane is the outer boundary of the cell. It is selective permeable in nature that is it…

Q: Why is that if A, B, and D neurons were all activated, an action potential in neuron C would not…

A: Because A and D are excitatory neurons and when B is activated it suppresses the activity of A which…

Q: Lower motor neuron lesions cause all the following, except :-a- decreased number of transmitter…

A: Lesion basically refers to the damage. Lower motor neuron lesion as the term suggests is the lesion/…

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

A: When a Nerve membrane is stimulated, a very rapid change in nerve membrane potential occurs, which…

Q: Which is typically the most effective temporal NS-US arragement? Why?

A: Introduction By Organising The Neutral And Unconditional Responses In Various Ways, The Effective…

Q: In chemical terms how isthe neuronal repolarizationachieved?

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

Q: How do individual neurons establishand maintain their characteristicintrinsic firing properties?

A: Introduction:- Neurons (also known as neurones or nerve cells) are the basic components of the brain…

Q: What neurotransmitter is released at the neuromuscularjunction?a. norepinephrineb. serotoninc.…

A: Neuromuscular junction, also known as myoneural junction refers to the chemical synapse between the…

Q: Following the arrival of an action potential in stimulated cells, synaptic vesicles rapidly fuse…

A: Action potential Is an instantaneous, fast, temporary, and spreading change in the resting membrane…

Q: What are the two mainions that participate in theelectrical impulsetransmission in neurons?

A: An action potential, likewise called a nerve impulse, is an electrical charge that moves along the…

Q: Jessica was knocked off her bicycle and fractured the medialepicondyle of her elbow. The neurologist…

A: Immobility is a reduced or altered state of mobility characterized by diminished motion or…

Q: Which type of synapse is better suited for vision and hearing, and why?A. Metabotropic synapses…

A: Neurons are the basic unit of the nervous system. They are involved in the generation and…