Cells that insulate and speed impulse conduction between neurons in the pns are

Q: Explain why damaged nerve fibers in the PNS can regenerate but damaged fibers in the CNS cannot?

A: Each neuron consists of a cell body called Cyton and it has numerous branches called nerve fibers…

Q: Which of the following is a part of the PNS? a. microglia b. spinal cord c. brain d. neurolemmocyte

A: Peripheral nervous system is the main part of the nervous system which consists of nerves and…

Q: Draw a neuron, label its parts, and describe the functions of these parts.

A: Neurons can be defined as neurones or nerve cells are  know  as the fundamental units of the brain…

Q: Explain how a nerve impulse is initiated and transmitted along a neurone and across the synaptic gap

A: The neurons that basic fundamental units of the nervous system and also called ass nerve cells. Just…

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

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

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: Which type of neurons are typically myelinated

A: Step 1 Neurons are structural and functional units of neural tissue. Their number is quite high,…

Q: An influx of positive sodium ions causes opening of the activation gates of voltage regulated sodium…

A: VOLTAGE GATED SODIUM CHANNELS These are integral membrane proteins that change conformation in…

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: Describe how the permeability of the axon membrane to Na+ and K+ is regulated and how changes in…

A: Introduction  Sodium and Potassium are the two most important ions which plays a crucial role in…

Q: Neurons receive incoming signals by way of specialized processes called _____.

A: A typical neuron consists of three processes namely, 1. Dendrite 2. Nerve cell or cell body 3. Axon…

Q: If extracellular [Na1] is elevated, how would the resting potential and action potential of a neuron…

A: The nervous framework is a profoundly intricate piece of a creature that facilitates its actions and…

Q: Describe the shape of Efferent neurons/ What is its role?

A: The neuron is a cell that transmits information to other tissues, nerve cells, muscles. When a…

Q: Compare the shapes of the three types of neurons, relating shape to function.

A: The nervous system comprises the brain, neurons and spinal cord. The nerves are responsible for…

Q: Describe the structure and function of a neuron.

A: Nervous system of an organism is aimed at maintaining control and coordination. The basic unit 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 depolarization occurs along an unmyelinated neuronal axon

A: Propagation of action potential leads to the depolarization of neuron.

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: Distinguish between convergence and divergence in a neuronal pool.

A: The term neuronal pool refers to the group of nerve cells that receive and transmit information via…

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: Neurons have three main components. Describe the function of each one a. Dendrites b. Cell body…

A: Nervous system is the complex system in our body which controls the entire body and coordinates the…

Q: Describe communication between neurons

A: Neurons are cells within the nervous system that transmit information to other nerve cells, muscles,…

Q: describe the events of neuron depolarization and repolarization

A: The action potential is referred to as the process in which there occurs variation within the…

Q: Describe what happens in the "All or None" response, including terms such as depolarization,…

A: The principle all- or - none states that the responses of the nerve cells or muscle fiber are not…

Q: The cells responsible for the transmission of the nerveimpulse are ________. a. neuronsb.…

A: Irritability is basic function of living beings which involves 'responses to stimulus'. A stimulus…

Q: The opening through which neuron communicates with another neuron is called

A: Neuron is the basic structural and functional unit of nervous system

Q: Explain how the nerve impulse is transmitted across a synapse.

A: A neuron comprises dendrites, cell body, axon, myelin sheath, and axon terminals. The place where…

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

A: Nerve cells form a complicated network in the nervous system. The neurological system's basic unit…

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: Saltatory conduction occurs in non-myelinated nerve fibers.

A: Introduction: In contrast to the slower continuous advancement of depolarization spreading down an…

Q: Describe the four types of neurons according to the number of their processes and explain each

A: The four types of neuron based on their processes are unipolar, anaxonic, multipolar, and bipolar.…

Q: Distinguish between afferent neurons and efferent neurons.

A: The nervous system is a complex of network of nerves and cells that carry messages to and from the…

Q: Describe how neurons use neurotransmitters to communicate with each other and with the body.

A: Introduction  In multicellular organisms there is a specialised control and coordination between all…

Q: Albert accidentally ingests the poison tetrodotoxin from the pufferfish, which you know blocks…

A: Tetrodotoxin is one of the most dangerous natural poison found on earth. It is a neurotoxin meaning…

Q: Differentiate between Myelinated and non-myelinated axons.

A: The axon functions to transmit messages to different body parts such as muscles, other neurons,…

Q: Name the ions responsible for conduction of nerve impulse.

A: BASIC INFORMATION  NERVE IMPULSE It is the electrical signals which helps in transfer of…

Q: Gap Junctions are found at             synapses Fill in the blank A.Chemical B. Electrica

A: The electrical and chemical synapse are essential for transmission of nerve impulse. Electrical…