Q: What is the role of the Efferent neuron?
A: The nervous system is involved in the coordination and controlling of various activities in the…
Q: Define the following terms: neuron, axon, dendrite, myelin sheath, afferent neuron, efferent neuron,…
A: Introduction Neuron: A neuron is a single nerve cell which consists of central cell body, terminal…
Q: Based on the graph, how soon could another action potential be easily initiated (at the end of the…
A: Nerve cells or muscle cells have a tendency to transmit impulses. The changes in the electrical…
Q: Unmyelinated axons are found in both gray and white matter.
A: ANSWER) Gray matter mainly consists of unmyelinated axons whereas the areas of white matter only…
Q: What are the purposes of the Absolute and Relative Refractory Periods?
A: Action potentials can be defined as the swift rise and succeeding fall in the membrane potential or…
Q: Describe how the speed of nerve signal conduction varies with axon diameter and the presence or…
A: Neurons send information and instructions throughout the brain and body. The information is sent via…
Q: Describe one situation in which these sensory neurons are important.
A: BASIC INFORMATION NEURON It is the longest cell inside the human body It is found in the brain…
Q: Name the major parts of an axon.
A: A long, slender projection of a neuron or a nerve cell is referred to as an axon. It is involved in…
Q: The output from the hypothalamus and the other brain areas to the effectors is via?
A: The effectors can be described as the bodily organs, tissues, or muscles activated in response to…
Q: Describe how gating of Na+ and K+ in the axon membrane results in the production of an action…
A: In reaction to stimuli, the axon membrane permeability to K+ and Na+ depends on the opening of gated…
Q: Describe the structure of Afferent neurons? List its function?
A: The sensations travel through afferent neurons through variety of pathways due to their structural…
Q: what is relative refractory?
A: The refractory period refers to the specific time interval when the excitable cells (like neurons)…
Q: At maximal stimulation, much above threshold, how long will it be until an axon fires the next AP?…
A: The action potential is defined as the quick variation in the membrane potential that occurs when a…
Q: with creative freedom illustarte the events of resting potential, depolirization and repolirisation…
A: Resting membrane potential is electrical potential difference across the membrane when the cell is…
Q: Contrast the somatic and autonomic divisions of the efferentnervous system; mention at least three…
A: The nervous system of a human being is a complex system that helps to coordinate behavior and to…
Q: Explain how ligand-gated channels produce synaptic potentials, using the nicotinic ACh receptor as…
A: Ligand-gated channels are also known as the ionotropic receptors which help in the movement of ions…
Q: What is the role of Efferent neurons?
A: Efferent neurons send signals from the brain to the muscles, glands and organs of the body in…
Q: What is the difference of depolarization and hyperpolarization? Why do cold receptors depolarize…
A: both are the phases in the generation and conduction of an action potential.
Q: Summing incoming neural signals is part of (a) reception (b) transmission (c) integration (d) action…
A: Ans: Neural signal: These are mainly responsible for sending the electrical signals in response to…
Q: Contrast continuous conduction with saltatory conduction.
A: Nerve impluse if conducted in two ways- 1. Propagation along an unmyelinated axon is referred to as…
Q: Where are afferent neurons, efferent neurons, and interneurons located in the nervous system? Are…
A: Neurons are the basic unit that consists of axons, dendrites, cyton, and telodendria for…
Q: Areas of myelinated axons create the appearance of _______ matter, while neuron cell bodies and…
A:
Q: Gray matter consists of... cell bodies, dendrites, and unmyelinated axons myelinated axons…
A: The central nervous system is composed of the brain and spinal cord, and the peripheral nervous…
Q: Match the informational signal in the left column with the appropriate category from the right…
A: Afferent fibers brings sensory information from peripheral receptors to central nervous system .…
Q: Explain the physiological basis of the absolute and relative refractory periods?
A: The absolute refractory period can be defined as the period during which another action potential…
Q: Describe how depolarization occurs along an unmyelinated neuronal axon
A: Propagation of action potential leads to the depolarization of neuron.
Q: What area represents the axon hillock? В NEURON K NEURON L E D A G LABEL C LABEL G LABEL H LABEL B
A: Neurons are the fundamental units of the nervous system and consist of a cell body, axon and…
Q: Differentiate between Dendrites and axons.
A: The network of nervous system consists of brain, spinal cord and nerves. The nervous system plays an…
Q: Why can a greater-than-normal stimulus trigger an AP during the relative refractory period but not…
A: Our brain sends and receives information in the form of electrical signals. These electrical signals…
Q: How can you tell the difference between a dendrite and an axon
A: Neurons are the fundamental units of the nervous system. Neurons are also known as nerve cells.…
Q: . Describe the basic pathway of information flow throughneurons that causes you to turn your head…
A: Neurons are the cells of the nervous system, and are the structural unit of the nervous system. A…
Q: Once an EPSP is produced in a dendrite, how does it stimulate the production of an action potential…
A: An excitatory postsynaptic potential in short ESEP is a modification in the post-synaptic cell’s…
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: State the function and location of axon.
A: Nervous tissue is a major class of tissues that plays an essential role in building up the central…
Q: Explain Differentiate receptors from effectors.
A: Nerves and cells make up the nervous system, which is responsible for sending impulses between…
Q: Distinguish between saltatory nerve signal conduction in myelinated axons versus unmyelinated
A: Saltatory conduction is a form of nerve impulse conduction in which the action potentials are…
Q: State the functions of efferent neurons.
A: The neuron can be defined as the basic unit of the brain and it is the type of specialized cell that…
Q: The neuron activated in a candlelit room is called a ___.
A: Other neurons to which a neuron is linked activate a neuron. Its own activity then encourages the…
Q: Name the afferent process of a neuron.
A: Neurons are the structural and functional unit of the nervous system. Nervous system coordinates and…
Q: Explain the anatomy and function of the reticular activating system (RAS).
A: The brain is the most complex organ of the body that forms the part of the central nervous…
Q: Define refractory period, saltatory conduction, and synapticintegration.
A: The various activities of the body are coordinated by the functions of the nervous system. This…
Q: Explain what is represented in the image (neuron) in five sentences or less
A: Neuron It is the cell which can carry stimulus in the form of electrical impulses to the brain and…
Q: Which of the statements below describe a situation in which the change in membrane potential above…
A: Membrane action potential changes results in firing of action potential.
Compare and contrast the meanings of afferent and efferent.
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Solved in 2 steps
- Explain how a polarized axon responds to stimulation.Compare and contrast EPSPs and IPSPs. Include the following information: Where each are produced Ions involved Direction and size of polarization (generally, not a specific value) Neurotransmitters involved Receptor types involvedDefine the following terms: neuron, axon, dendrite, myelin sheath, afferent neuron, efferent neuron, association neuron.