Which part of the neuron provides insulation for the neurons, to prevent the loss of charged ions from the nerve cell? glial cell cell body myelin sheath dendrite axon

Q: longer functional. Ependymal cells Oligodendrocytes Microglial cells Astrocytos system which remove…

A: introduction The nervous system is a network of neurons whose primary function is to create, modify,…

Q: O Axon terminal O Dendrite O Neuroglia O Target cell O Synaptic cleft

A: This shows space between two neurons.  It is known as Synaptic cleft  The correct option would be…

Q: Where in a myelinated axon are nearly all of the ion channels concentrated?   options:   the cell…

A: In myelinated axons we see myelin layer on the surface of axon. So, we don't see ionic channels…

Q: refers to the ability of neurons to produce action potentials that travel from axon hillock up…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is Excitability. Excitability Is Ability Of A…

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: For each FALSE statement, explain why it is incorrect.

A: The afferent division transmits impulses from peripheral organs to the CNS. The efferent or motor…

Q: What refers to the ability of neurons to respond to different stimuli? excitability secretion…

A: A neuron is the basic unit of the nervous system. It consist of a cell body with dendrites that help…

Q: Which of the following structures could NOT be a post-synaptic cell? Group of answer choices a bone…

A: Introduction: A specific cell that carries signals and messages from and to the brain and various…

Q: Which of the following accurately describes neurons? (Select all that apply.) All neurons have four…

A: A typical neuron is made up of a cell body, which contains the nucleus and the surrounding…

Q: Give one word function of these three types of neurons. (e.g.microglia - protection) Unipolar…

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

Q: List and describe the two types of cells found in the nervous system.  Discuss, in detail, how…

A: Introduction The nervous system, as well as the endocrine system, is the major controlling and…

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: developed independently of the CNS, so their cell bodies are outside of the CNS, situated along…

A: The central nervous system (CNS) is involved in regulating various physiological, metabolic,…

Q: In an experiment, a freshly isolated neuron is placed in a bath that has been almost completely…

A: A neuron is a specialized type of cell found in the nervous system that transmits electrical signals…

Q: A nerve impulse travels faster in small myelinated fibers large myelinated fibers large unmyelinated…

A: Answer : large myelinated fibres. - at the speed of 179-268 miles per hour.

Q: Which characteristic does not refer to electrical potentials? involve gap junctions are slower by…

A: Introduction  A synapse is the junction between two neurons or between a neuron and a target or…

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: When they are not being stimulated, neurons have an electrical charge across their membranes called…

A: The control and coordination of the body in humans occur by two systems: the nervous system and the…

Q: The following are characteristics of the myelin sheath EXCEPT:   A formed by the oligodendrocytes…

A: The nervous system is comprised of neurons, special structures capable of acquiring and transmitting…

Q: The general function of neurons is to ________ , whereas the general functions of neuroglia are to…

A: A neuron is a functional entity of the brain and helps transmit information to other cells,…

Q: Which is not true about axons? They arise from the cell body they send information to other cells…

A: The control and coordination of the body are carried out by the nervous and hormonal systems. The…

Q: Each neuron potentially connects physically with a few axons with thousands of other neurons with…

A: Answer: Introduction: Brain as a part of central nervous system controls all important functions…

Q: Place the following structures in the order that an electrical impulse would travel beginning with…

A: Neuron:-It is a specialized cell that is responsible for the conduction of impulses. Nervous tissue…

Q: what will happen if the membrane channels opened and allowed a negatively charged ion such as…

A: NOTE: Options are numbered as 1, 2, and 3. Also, option 1 must be "action potential is less likely…

Q: Compare and contrast neurons and neuroglia; be sure to include: General structure of the two types…

A: Neurons: a. It is found in the central nervous system and the autonomic ganglia.b. It conducts nerve…

Q: Which mechanism consumes energy to move ions across the neuron cell membrane? sodium-potassium…

A: There are two types of transport mechanisms- active transport and passive transport. Active…

Q: Which ion channels are controlled by change in membrane potential?     Voltage-gated channels…

A: Membrane potential can be defined as the concentration of ions across the plasma membrane and their…

Q: which of the following is not functional neeuron?? sensory afferent efferent interneuron…

A: The basic functional unit of nervous system is neurones. Neurones are the specialised cells  that…

Q: Neuron(key terms:dendrites, axo,electrical signals, communication) One important structure/feature…

A: The brain is made up of neurons and glial cells. These neurons are made up of components that helps…

Q: Match the letters with the correct part of the neuron in the picture below: A B A V [ Choose ] Axon…

A: Neurons are connected to each other to make nervous system. Different external stimulus is sensed by…

Q: Which of the following is not true of glial cells?     They are more numerous than neurons.…

A:

Q: Which determines a neuron's maximal rate of firing? The duration of the refractory phase O The…

A: Neurons (also known as neurones or nerve cells) are the basic units of the brain and nervous…

Q: After a neuron fires an action potential, the lon concentration gradients are disrupted, What…

A: The neurons are the nerve impulse generating and transmitting cells in the nervous system. It is…

Q: Which neuron component correctly corresponds to an element of an electrical circuit? Extracellular…

A: Introduction :- A protective layer or sheath called myelin develops around nerves, including those…

Q: The connective tissue wrapper around individual axons in a nerve are known as what? endoneurium…

A: Connective tissue provides structural scaffolding to other tissues in the body. The connective…

Q: Which of the following pairs of terms is correctly matched?   Voltage-gated calcium channels :…

A: Correctly matchedTransmission of chemical synapses occurs when a nerve impulse reaches the…

Q: Neuroglial cells in the peripheral nervous system composed of myelin that are wound tightly around…

A: Myelin is a white, fatty substance that forms a protective layer around nerve fibres in the brain…

Q: The place where a neuron and myocyte communicate is a call a _ junction

A: Neurons interact with other neurons and muscle cells through action potentials. They are short…

Q: Which part of the neuron transmits impulses toward the cell body

A: Neurons (likewise known as neurones or nerve cells) are the main units of the brain & sensory…

Q: Which component of the neuron sends action potentials away from the cell body?

A: A neuron is a building block of the nervous system. There are millions of neurons present in our…

Q: Which of the following neuron structure - function parings is incorrect? Axon - extension of cell…

A: According to the question, we have to find out the neuron structure-function pairings which is…

Q: The NerveEpineurium - BluePerineurium - RedEndoneurium - YellowAxon - PurpleFascicle - Orange

A: Neurons, are nerve cells, also known as  brain cells that send and receive signals. While neurons…

Q: Which of the following is NOT true of glial cells? O They form the myelin for axons. O They are…

A: Glial cells are non-neuronal cells in the central nervous system (CNS), are engaged in various…