which of the following is not characteristic of neurons?

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The importance of a stimulus is derived from the number of stimuli received from the same source. Cell body c. Ganglion d. Axon, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? However, the electrical impulses cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. d. The person may have motor tremor. Which of the following lists the components found in a synapse? a. spindle fibres to divide the cell. During depolarization, the inside of the neuron's membrane becomes less negative. What is the functional neuron type that is the most prevalent in the CNS? just need the answer 21.Characteristics that vary on a 1. 55. C) diphasic impulses analyzes sensory information, stores information, makes decisions. Generally, these traits are not determined by just one gene, but instead by the cumulative effect . a. Alzheimer's disease. Which of the following are true about neurons? Numerous Nissl bodies were observed, indicating that the neurons had a high ability to synthesize proteins. Which nervous sytem is responsible for delivering voluntary motor signals from the CNS to A) the myelin sheath a. anchor neurons to blood vessels. a. Astrocytes B. D) Schwann cell, Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials? A person suffering from an inability to speak the word she intends to say, sometimes c. Oligodendrocytes A) acetylcholine [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. a) control how neurons communicate at the synapse b) guide the development and differentiation of neurons and glial cells c) physically support neurons in the PNS to form nerves d) provide. A) support and brace neurons d. hypothalamus. 2. Select the correct statement regarding synapses. Image credit: iStockphoto. Give a valid explanation of why this could occur. 1. d. ribosome transcription. (b) Ordinary tungsten incandescent lightbulbs used in households are filled with argon gas at about 0.5 atm to retard the sublimation of the tungsten filament. Contains lymphatic vessel. True or False, Which of the following is not a function of astrocytes? March 17, 2022. D) are crucial for the development of neural connections, An inhibitory postsynaptic potential (IPSP) is associated with ________. d. represent a general decline of autonomic nervous system activity. Show the details. 60. Neurons are relatively small, simple-structured cells. Which of the following is not characteristic of neurons a c. Generate ATP. d. at the axon terminal. d. Vagus nerve. Characteristics of the Neuron - Basic Neurochemistry - NCBI Bookshelf a. Pons A. Begin by sketching the contour. your answer. a. Oligodendrocytes c. Astrocytes In this study we evaluated if motor and sensory neurites have a substrate preference for laminin and . Multiple sclerosis (MS) is a disease in which the myelin sheaths are destroyed. A&P Ch 9,10,11 Flashcards | Quizlet Which of the following is not characteristic of neurons? d. gyri. 74. Which of the following is the study of mechanisms of gene expression not involving help to circulate the cerebrospinal fluid. likely true? (a) hardened cells and neurons (b) neurons and supporting cells (c) chondrocytes and neurons (d) neuronocytes and smooth muscle cells. B) afferent neuron o Neurons have a very long lifespan Have low mitotic activity fie cannot undergo cell division) O Ability to transmit electrical signals (i.e. Do not divide - (neural stem cells are an exception) 3. A) ependymal cells Chapter 2: The Nervous System Flashcards | Quizlet Which Of The Following Is Not Characteristic Of Neurons These gases are neurotransmitters that act indirectly. Hepatocytes and neurons express low baseline CB1R and CB2R, respectively, and their cell-type-specific functions are not well defined. c. striations present are due to the orderly arrangement of actin and myosin. Efferent neurons are ___ neurons carrying impulses to the muscles. order to draw a diagram in her notebook. (d) All of these are characteristic of neurons. c. they form an insulating material around axons. Which division of your nervous system is generating this response? a. ribosomes. It is impossible in a single chapter to delineate comprehensively the extensive structural, topographical and functional variation achieved by this cell type. Expert Answer. having a low appetite. Group C fibers are not capable of saltatory conduction. d. Polymorphism, 50. Study with Quizlet and memorize flashcards containing terms like Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are _____., Which of the following is not a function of the autonomic nervous system? a. the person had neurons that did not form correctly during neural development. Which of the following is NOT a special characteristic of neurons a C) Sodium gates will open first, then close as potassium gates open. A) Specific sodium gates will open. a) anchor neurons to blood vessels b) control the chemical environment around neurons c) Provide the defense for the CNS d) support and brace neurons e) guide the migration of young neurons, synapse. c. that a person is genetically male. Which of the following is NOT a function of astrocytes? d. None of these are correct. Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? c. The output (. When one or more presynaptic neurons fire in rapid order it produces a much greater depolarization of the postsynaptic membrane than would result from a single EPSP; this event is called ________ summation. Which of the following is not a chemical class of neurotransmitters? A neuron is a cell that communicates with the brain. 73. 27. What mechanism is responsible for axonal transport? Sympathetic nervous system neurons contact muscle tissue at neuromuscular junctions. Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. d. ventral root. Characteristics of neurons Flashcards | Quizlet The comparison demonstrates that the suggested controller closely tracks the reference voltage than the . a. on dendrites. c. cause imbalance. We used embryonic stem cell-derived (H9) human neuronal stem cells . 79. b. thalamus. a. cerebellar ataxia. 72. 80. O They have extreme longevity. What portion of the neuron receives signals from other neurons? Describe the types of neurons, their structure and their function. c. occipital lobe. 15. When activated, shortens C. Found in the brain and spinal cord. When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. It impacts your spinal cord and the nerves that transmit and receive messages between your brain and the rest of your body. Myelinated neurons conduct impulses faster than unmyelinated neurons because? The reduction - A Mathematical Model of CA1 Hippocampal Neurons with depression would be an example of: True or False, A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. 69. Which of the following is a factor that determines the rate of impulse propagation, or conduction velocity, along an axon? Motor afferent neurons possess long dendrites and short axons. A) peripheral and spinal nerves B) brain, spinal cord, and peripheral nerves C) brain and spinal cord D) spinal cord and spinal nerves. A) origin of the stimulus Neurons create extensive communication networks throughout the nervous system. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. A) resting period What are the possible responses? Which of the following stimuli caused the reaction in the graph on the left? A neuron consists of a nucleus, a region of tissue that contains the cell body. C) brain and spinal cord b. medulla. Why? If the electrode is removed, a potential of zero is recorded again. c. Hippocampus Neurotransmitters are chemical signals used as a means of communication. D) moves membrane potential away from threshold. A) the impulse would move to the axon terminal only. A single type of channel will open, permitting simultaneous flow of sodium and potassium. a. a. Neurogenetics Which statement is true? Specialized cells in the nervous system that control behavior, senses, and movement are. A) the membrane potential has been reestablished When the neurons were damaged, the number of Nissl corpuscles decreased significantly . A) acetycholine Which is not characteristic of neurons a high mitotic - Course Hero D) sensory and motor neurons that supply the digestive tract, What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? c. the person had a past traumatic brain injury. 71. The part of a neuron that conducts impulses away from its cell body is called a(n) ________. Motor neurons transmit the nerve impulses from CNS to effectors (muscles and glands). Learn about the neuron diagram, structure, and function. Discovering that someone has glial scars means suggests that: The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. 49. Group of answer choices: Neuroglia refer to neurons with axons coated in myelin. Which of the following is false or incorrect? Which cells in the brain remove normal cellular waste? Name the parts that comprise the elbow joint. Which of the following statements is incorrect? c. Cerebellum E) nucleic acid. 2. Strong stimuli cause the amplitude of action potentials generated to increase. Neurons are found across the body but are most numerous in the brain. Which of the following is not characteristic of neurons? All other trademarks and copyrights are the property of their respective owners. Strong stimuli cause the amplitude of action potentials generated to increase. nervous system. C) oligodendrocytes D) stimulate the production of acetylcholine, Which of the following is not a function of the autonomic nervous system? the membrane potential has been reestablished. Characteristics and Function of Neurons - Step To Health B) Specific potassium gates will open. d. cause a tremor. b. sympathetic nervous system. B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. Discover and discuss the meaning of dendrites, axon, membrane polarization, membrane depolarization, and synapses. A. a. Mitochondria in a neuron would no longer function. C) calcium stem c.) muscles d.) osteocytes. What does myelin do for neurons? b. basal ganglia synapses. 22. This may account for the cycles of relapse and remission in different patients. C) ganglia STRUCTURAL FUNCTIONAL CHARACTERISTICS OF NERVOUS AND GLIAL CELLS. D) They can be called postsynaptic potentials. b. that a person is genetically female. b. Broca's Aphasia. 62. They are like neurons except that they lack axons. d. astrocytes form and maintain the blood-brain barrier. A researcher found that a drug increased heart rate. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. c. medulla. What type of motor neuron stimulates skeletal muscle fibers to contract by the excitation contraction mechanism? 33. c. olfactory information. Neuronal processes that normally conduct impulses toward neuron cell bodies are called and those that carry impulses away from neuron cell bodies are called. They are electrically excitable cells which generate action potentials. What are the functional classifications of neurons? There are three types of neurons. a. Autonomic pathways consist of two types of motor neurons. c. Dendrites and soma True or False, Some neurotransmitters can be either excitatory or inhibitory depending upon the receptor. Glial scars may impair recovery from brain injury because: Which of the following conducts impulses to an effector? c. The cerebral cortex includes the cerebellum. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. People throughout history (has, have) been fascinated by the moon. Visual disturbances, paralysis, and weakness, Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Elliot Aronson, Robin M. Akert, Timothy D. Wilson. Biochemical Characteristics of iPSC-Derived Dopaminergic Neurons from Neurons are the basic functional units of the nervous system, and they generate electrical signals called action potentials, which allow them to quickly transmit information over long distances. 44. 25. which of the following is not characteristic of neurons? - OneClass A) release nerve growth factor A) cell body Which cranial nerve receives sensory information from the heart, liver, and intestines? What do ANS neurons regulate with regard to mechanical digestion? b. cause aggressive behavior. C) neurolemma 13. c. Motor efferent neurons possess long dendrites and short axons. a. medulla. a. increase the activity of reactive astrocytes. What distinguishes nerve cells and other excitable membranes (e.g., muscle cells) is that they are capable of changing their resting potential. Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? Allow ions to move in and out of its cellular membrane. a. synapses. 78. Responsiveness of C Neurons in Rat Dorsal Root Ganglion to 5 Which of the following is correct? B) short distance depolarization Neurons generate and conduct electrical impulses called action potentials. Sensory and motor divisions. A) postsynaptic potential The characteristics that vary on a continuum among people, such as height, skin color, or intelligence, are most likely determined by polygenic inheritance. Which of the following are afferent neurons, relative to the central nervous system? c. provide the defense for the CNS. b. Immediately after an action potential has peaked, which cellular gates open? 23. All preganglionic neurons in the ANS are cholinergic. A) efferent neuron What is a substance released from neurons that influences the sensitivity of neurons to neurotransmitters called? Which of the following is not a characteristic of ion channels? b. on the soma. a. Neurons communicate with other neurons in the central nervous system. Saltatory propagation occurs in _________ axons, in which action potentials _________. a. astrocytes play a role in neurotransmission. A. excitability B. neurotransmitter production C. high energy needs D. capability of mitosis. A postsynaptic cell can be a neuron, a muscle cell, or a secretory cell. Classify Neurons by 3 Structures. Identify the neuron type described: Two neuron types whose cell bodies are in the spinal cord (CNS). High mitotic rate B. nervous system? d. The person would have dulled senses for some period of time after taking the substance. B) voltage-gated channel 14. . Which of the following plays an integral role in saltatory conduction? cells would most likely be responsible? d. Neurogenetics. Longevity 2. The parasympathetic division includes the splanchnic nerves. c. pons. B) motor fibers that conduct nerve impulses from the CNS to skeletal muscles A chemical messenger that does not directly cause ESPSs or IPSPs but does affect the strength of synaptic transmission is a ________. a. Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue(s). a) norepinephrine b) cholinesterase c) gamma aminobutyric acid d) acetylcholine. 14. b. Interneurons. Name the two other neuron types which are cholinergic. d. Cingulate cortex. a. medulla. A substance that inhibits the activity of the cerebellum would be expected to: b. the structure is closer to the midline of the brain. copyright 2003-2023 Homework.Study.com. c. reticular formation. b. cerebrospinal fluid. It is important when reducing any model to first identify these characteristic behaviours. a. neuromuscular junction. That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. A) ion B) oligodendrocytes If an experimental drug produced physiological effects similar to nitric oxide, then a A) senses changes in the environment c. in the synapse. Answer: Option D is correct Explanation: Neurons generally do not e . A novel robust adaptive sliding mode control using stochastic gradient See Page 1. C) negatively charged and contains more sodium. If a loud noise made you jump, which structure was most likely responsible for this b. ventricles. However, the electrical impulse cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. Specifically, combination therapy (simultaneous use of customized sub-perception field and paresthesia-based SCS) versus monotherapy (paresthesia-based SCS) was evaluated. 2. B) The release of neurotransmitter molecules gives cells the property of being electrically coupled. B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. A severe tremor in someone's hands could be caused by abnormal functioning in the: b. Neurons have . d. Neurotransmission from the neuron would increase. Relative to the central nervous system, motor neurons are referred to as afferent neurons. Some ions are prevented from moving down their concentration gradients by ATP-driven pumps. ATP-dependent "motor" proteins such as kinesin, dynein, and myosin are responsible. Central Nervous System b. cholinesterase. In terms of function, scientists classify neurons into three broad types: sensory . What is a credit line? Which of the following is true about the movement of ions across excitable living membranes?