which of the following is not characteristic of neurons? which of the following is not characteristic of neurons?

d. Extrapyramidal System. The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. Which of the following is not true concerning the structural classification of neurons? 55. d. proteins. What does myelin do for neurons? Growing numbers of sodium channels appear spontaneously in the demyelinated fibers so that conduction resumes, even if slower. likely to occur? The axon c. The dendrites d. The Nissl bodies. Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? A. ependymal cells B. Schwann cells C . This disease causes gradual muscle stiffness . a. medulla. Even though someone is diagnosed with MS, the axons are not damaged. What is the function of dendrites in a neuron? Discovering that early life stress may cause polymorphisms that increase the risk of 66. Group C fibers are not capable of saltatory conduction. [25] designed a voltage output feedback controller, which uses the neural network feed-forward (NNFF) with the harmony search algorithm (HSA) to control the PEMFC output voltage. Which of the following statements regarding nervous tissue is not true? The former make connections from the spinal cord to the muscles. a. postganglionic terminals. d. increase the density of dendritic spines. b. glial cells. d. pineal gland. 7. What parts of a neuron are completely contained within a ganglion? B) They have extreme longevity. Neurons are responsible for transmitting signals throughout the body, a process that allows us to move and exist in the world around us. Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. Touch stimulation of this sensory receptor will open the mechanically gated ion channels, but action potentials are still not initiated because propagation of an action potential requires the opening of voltage-gated Na+ channels. c. reduced oxygen delivery to cells. B) Schwann cells Which type of neurons are used to convey the special senses of sight? c. sleepiness. a. polymorphisms. B) Group A fibers are mostly somatic sensory and motor and are the smallest in diameter. 18. C) calcium A) long distance signaling c. sensory and motor neurons that su. The principles outlined above can be applied to the neuron and its ionic contents.. 3. Integrate. C) sensory neurons that convey information from somatic receptors in the head, body wall, and limbs and from receptors from the special senses of vision, hearing, taste, and smell to the CNS In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? What type of neuron connects sensory and motor neurons in neural pathways? Sensory and motor divisions. b. cholinesterase. What functional class of neuron carries impulses away from the CNS to muscles or glands? Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. d. Neurons. d. ventral root. A) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands b. oligodendrocytes. b. forebrain. a. improve working memory. A) act as a transmitting agent 59. C) found in ganglia Specialized cells in the nervous system that control behavior, senses, and movement are called: a. neurons. What mechanism is responsible for axonal transport? Neurons are a specific type of nervous system cell that is able to generate signals and transmit them to other neurons or target end-cells. c. genes. c. the person had a past traumatic brain injury. It is impossible in a single chapter to delineate comprehensively the extensive structural, topographical and functional variation achieved by this cell type. d. cerebral blood vessels. If a drug severely depressed the functioning of the medulla, which of the following might be Responding to brain injury is an important function of astrocytes. a) The preganglionic neuron (sometimes called the ganglionic neuron), is the first motor neuron. D) control the chemical environment around neurons Increased diameter results in increased surface area on the membrane for sodium channels. In addition to diffusion, what are two other mechanisms that terminate neurotransmitter activity? Which of the following is NOT a characteristic of neurons? c. nucleus accumbens. Identify the following: Acetylcholinesterase would be found in the synapse between neurons for this branch of the ANS and the effector cells. What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? b. that a person is genetically female. 22. Write a paragraph describing the Identify the neuron type described: Two neuron types whose cell bodies are in the spinal cord (CNS). Which nervous sytem is responsible for delivering voluntary motor signals from the CNS to c. meninges. Preganglionic neurons are located in the brain stem and sacral segments of the spinal cord. a. temporal lobe. Sensory receptors for touch (and pressure) respond to physical deformation of the receptors, resulting in the opening of specific mechanically gated ion channels. As you start working out, you notice that your heart rate and breathing rate start to increase. 12. c. the structure is further out to the side of the brain. c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? Which of the following correctly describes a graded potential? likely acting upon? a. corpus callosum. When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. group cfibers are not capable of salatory conduction. If a physician identified her patient as a low drug metabolizer, which of the following is most 27. How can a single axon respond to several different kinds of events? - Neurons have one or more long, slender projections called dendrites, which receive electrical impulses from other neurons. 40. Immediately after an action potential the potassium gates, being slow gates that do not respond to change in the electrical charge, allow additional K+ ions to flood into the cell. True or False, The action potential is caused by permeability changes in the plasma membrane. d . 19. b. She asks the nurse,"Why did this have to happen to me again? Which of the following stimuli caused the reaction in the graph on the left? Which of the following types of glial cells monitors the health of neurons, and can transform into a special type of macrophage to protect endangered neurons? A researcher found that a drug increased heart rate. The comparison demonstrates that the suggested controller closely tracks the reference voltage than the . D) tracts, The term central nervous system refers to the ________. The part of a neuron that conducts impulses away from its cell body is called a(n) ________. Saltatory conduction is made possible by ________. ependymal cells____ help to circulate the cerebrospinal fluid: which of the following is an excitatory nerotransmitter secreted by motor neurons innervating skeletal muscles? If a neuroscientist described a structure as more lateral to a particular area, this means that: The characteristic neurologic picture including loss of consciousness, temporary respiratory arrest, and loss of reflexes. C) innervation of glands What is the long outgrowth of a neuron along which electrical impulses are transmitted? First, consider an object with an initial position x0x_0x0, an initial velocity v0v_0v0, and an acceleration aaa. Experts are tested by Chegg as specialists in their subject area. Its cell body is in an autonomic ganglion outside the CNS. (c) They have an exceptionally high metabolic rate. c. Hypoglossal nerve D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. b. Microglial cells Why does a hyperpolarization phase generally follow a repolarization phase in an action potential? Which pattern of neural processing is important for higher level mental processing such as problem solving? Which of the following is NOT characteristic of nervous tissue in the brain a. c. basal ganglia. When a gene is activated, a specific DNA segment is unraveled and transcribed onto: True or False, The autonomic nervous system is under voluntary control; whereas, the somatic nervous system is involuntary. Both excitatory and inhibitory potentials impinge on neurons. Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic and a postganglionic neuron? Which of the following is true about the movement of ions across excitable living membranes? 74. Visual disturbances, paralysis, and weakness, Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Elliot Aronson, Robin M. Akert, Timothy D. Wilson. C) oligodendrocytes What is the role of calcium in synaptic activity? a. a. parietal lobe. Define neurotransmitter. your answer. Which of the following is not a function of the autonomic nervous system? Which of the following conducts impulses to an effector? (1991) finds that the CA1 neuron exhibits trains of action potentials when a small current (< 1 nA) is applied to the soma, but a full calcium spike and burst followed by trains of action potentials when the same small current is applied to . Which nerve cells carry impulses from the brain to the muscles? A) acetylcholine A) the myelin sheath d. spines along dendrites. In doing so, mention: a) the names of the neurons involved, b) where the neurons synapse with each other (2 possible ganglia), c) what Nt is released from each of the neurons. b. inhibit axon growth. Tell why you think so. Neuroglia found in the CNS that bind axons and blood vessels to each other are called ________. Just what does pass from the neurons to the muscle c. Neurons are specialized cells that can do which of the following that most other cells cannot do? The cell body is the metabolic center of the neuron. March 17, 2022. Local anesthetics block voltage-gated Na+ channels, but they do not block mechanically gated ion channels. The latter from the brain to the spinal cord. c. pineal gland. A neuron consists of a nucleus, a region of tissue that contains the cell body. b. prevent electrical impulses from traveling down axons. The generation of an action potential in a neuron requires the presence what type of membrane channels? B) large nerve fibers spindle fibres to divide the cell. Which of the following are the cells of nervous tissue? Neurons may be classified according to several characteristics. ANSWER : The neurons are included in the somatic body cells but are. Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? a. midbrain. (a) hardened cells and neurons (b) neurons and supporting cells (c) chondrocytes and neurons (d) neuronocytes and smooth muscle cells. a. neuromuscular junction. D) positively charged and contains more sodium. The parasympathetic nervous system prepares the body for rigorous activity. c. working memory. Nanoscale integrated circuit technologies have become popular for designing and implementing biologically inspired pulse-based brain systems [1].These advanced Nanoscale devices are implemented in specific defined models of neuronal recording [[2], [3], [4]].Especiallyto replace a dead neuron system with an artificial neuron system to activate the paralyzed body parts.