Q: If a neuron starts in the anterior gray matter horn of the spinal cord and leaves and reaches the…
A: Step 1 The human nervous system comprises two subsystems, the CNS (central nervous system) and PNS…
Q: The autonomic system has two divisions, called thea. CNS and PNS.b. somatic and skeletal systems.c.…
A: The nervous system is the main part of the body that controls all activities that occur in the body.…
Q: What do you mean by unipolar neurons?
A: Based on number and placement of axon neurons are mainly divided into 4 types: unipolar, bipolar,…
Q: In the CNS, myelin is produced by glial cells called ___________ .
A: Myelin is an insulating layer or sheath that surrounds the nerves and it is produced by specialized…
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: surrounds a bundle of nerve fibers A. Neurium B. Perineurium C. Epineurium D. Endoneurium E. None of…
A: A nerve fascicle is also termed as fasciculus. The fascicles are formed of a bundle of axons. These…
Q: What are polymodal neurons?
A: Introduction: Neurons or nerve cells are the basic structural and functional unit of the brain and…
Q: What is the Difference between Autonomic and Somatic Nervous System?
A: The nervous system in human is divided into two main branches that are central nervous system and…
Q: Why are impulses transmitted more quickly down a myelinated axon than down an unmyelinated axon?
A: A neuron with myelin sheath can conduct impulse faster than the neurons which are without the myelin…
Q: The outermost connective tissue wrapping of a nerve is called thea. epineurium.b. perineurium.c.…
A: Answer is a.) epineurium.
Q: Describe how the connective tissue wrappings of a nerve compare to those of a muscle.
A: Types of muscle fiber: Smooth muscle cells are spindle-shaped cells with a single nucleus, present…
Q: The neurotransmitter secreted at an adrenergic synapse is _____________.
A: Neurotransmitters are the biochemical messengers secreted from nerve cells used to transmit a…
Q: Another name for the axon of a neuron is:- a. nerve fiber. b. neurofibril. c. neurilemma. d.…
A: Answer- Neuron is the main cell of the nervous system that helps in conduction of nerve impulses or…
Q: Whose job is it to carry nerve impulses away from a cell body in a neuron? аxons dendrites spinal…
A: The nervous system is composed mainly of neurons. Neurons are cells that carry impulses from the…
Q: What is an electrical synapse? Describe its operation
A: Synapse is the junction where the axon of one neuron cell contact with another. Two types of…
Q: WHich are three types of coverings of the CNS (between sof neural tissue and bones)
A: The central nervous system consists of the brain, which controls complex body functions, and the…
Q: CNS is composed of _____________ and ______________.
A: Most systems and organs of the body manage only one role, however the central nervous system perform…
Q: What are axons of neurons
A: Neurons are fundamental components of the nervous system and also the brain. These structures are…
Q: surrounds a bundle of nerve fibers A. Neurium B. Perineurium C Epineurium D. Endoneurium E.…
A: A. nerium is a drug which is a derivative of thioctic acid, which is used for seizures.
Q: Why is it important that different body structures have differentdensities of nerve innervation?
A: The palmar skin of the palms and the periorbital area of the face are by far the most highly…
Q: Why is Myelin made up of Lipids and protein macromolecules?
A: Myelin is a sheath-like substance that surrounds nerve fibres, insulating & protecting them.…
Q: How would nervous system function be affected if both the presynaptic and postsynaptic neurons at…
A: The synaptic vesicles are missing toward the end of neuron and subsequently postsynaptic neuron…
Q: What do you mean by medullated nerve fibres?
A: INTRODUCTION: NERVE FIBRE: Nerve fibre or axon is a long slender like projection of a nerve cell or…
Q: Since all APs generated by a given nerve fiber have the same magnitude, how does the CNS “know”…
A: The generation of an action potential is an " all or none phenomenon". An action potential will only…
Q: At a given synapse, the _____ neuron has neurotransmitter receptors.
A: Neurotransmitter receptors: The receptors present in the plasma membrane of…
Q: A myelinated nerve fiber can produce action potentials only in specialized regions called…
A: Myelin: Myelin is a fatty substance that is situated around the nerve cell axons. It insulates and…
Q: Describe how an action potential occurs in a neuron and contributes to neuronal communication?
A: According to the question, we have to describe how an action potential occurs in a neuron and…
Q: The term central nervous system refers to the
A: Introduction Nervous system is the main controlling centre of the body which controls all voluntary…
Q: What the gap between two neurons is called?
A: The neuron is also known as the nerve cell, the main component of the neural system. The millions…
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: What does nervous system mean
A: The organ systems present inside the body are responsible for performing all the physiological…
Q: What is the autonomic nervous system and what activities distin-guish it from the somatic nervous…
A: The nervous system comprises the peripheral and central nervous system (CNS).
Q: In a nerve at rest, the low potassium ion concentration inside the axon is responsible for a…
A: At rest the membrane potential of the neuron is about -70 mv. This is called as resting membrane…
Q: The motor division of the nervous system carries nerve impulses from:
A: The given question is about nervous system.
Q: Which nerves carry impulses from receptors to CNS.
A: Neurons, also known as nerve cells are the fundamental unit of brain and nervous system. They are…
Q: Why is level of consciousness the most critical index of central nervous system function?
A: The level of consciousness is a measure of how aware a person is and how responsive they are to…
Q: Schwann cells are a type of glial cell found in the nervous system. In addition to the conduction of…
A: Wounds and cuts in skin of hands or feet usually heal perfectly. But when the brain gets…
Q: Which of the following is true of nerve impulse conduction? O Saltatory conduction occurs on…
A: Introduction A nerve fiber is a long and a slender projection of the neuron. It conducts the…
Q: True or False The peripheral nervous system is made up of the brain and spinal cord.
A: The nervous system acts as a coordination and regulation center of various activities taking place…
Q: Efferent neurons transmit information to sympathetic and parasympathetic division of the CNS.
A: The brain is the most complex organ of the human body, which is composed of neurons. We, humans,…
Q: What do you mean by association neurons?
A: Neurons are the most important cells of the body. They are also called nerve cells. Nerve cells are…
Q: The central nervous system is connected with the peripheral nervous system by all the following…
A: Central nervous system is the nervous tissue that is aimed at controlling the activities of the…
Q: What is the difference between a nerve, such as that found in an arm or leg, and a neuron?
A: The nervous system is a part of the organisms body that helps in coordination of the behaviour and…
Q: The gap between two neurons is called……?
A: Neurons are nerve cells responsible for transferring signals in the form of chemical and electrical…
Q: 31. surrounds a bundle of nerve fibers A. Neurium B. Perineurium C. Epineurium D. Endoneurium E.…
A: Neurons are cells that are capable of transmitting information to other cells such as muscle cells,…
Why is conduction in a nerve called an electrical phenomenon?
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Solved in 2 steps
- What is the difference between a nerve, such as that found in an arm or leg, and a neuron?Why are ganglia and nerves not surrounded byprotective structures like the meninges of the CNS?What kinds of neurons (sympathetic or parasympathetic, preganglionic or postganglionic) are found in the following? a. cranial nerve nuclei b. lateral horn of the thoracic spinal cord gray matter c. lateral portion of the sacral spinal cord gray matter d. chain ganglia e. ganglia in the wall of an organ
- How would nervous system function be affected if both the presynaptic and postsynaptic neurons at every synapse had both synaptic vesicles and neurotransmitter receptors?Schwann cells are a type of glial cell found in the nervous system. In addition to the conduction of nerve impulses, the outermost layer called neurilemma aids in nerve development and regeneration. Which of the following explains why the neurons in the brain cannot repair damage like the neurons in your hands or feet can?sometimes the terms neuron and nerve are mistakenly used interchangeably. explain the difference between the two structures.
- The outermost connective tissue wrapping of a nerve is called thea. epineurium.b. perineurium.c. endoneurium.d. arachnoid mater.e. dura mater.There are two divisions of the autonomic nervous system: Sympathetic and parasympathetic What are the functions of each system?If a neuron starts in the anterior gray matter horn of the spinal cord and leaves and reaches the leg muscle, is that neuron in the CNS, PNS or both?
