True or False, The overlapping functions of the nervous system are sensory input, integration, and motor output. . If a neuroscientist described a structure as more lateral to a particular area, this means that: 13. Correct option is C) Sensory neurons receive sensory inputs from the internal and external environment and transmit it to CNS (brain and spinal cord) for processing. c. neurotrophins. A) Sensory neuron B) Motor neuron C) Interneuron D) All of the above. muscles throughout the body? A&P Ch 9,10,11 Flashcards | Quizlet a. other neurons b. muscles c. glands d. all of the above, All of the following are characteristics of sympathetic preganglionic neurons EXCEPT: a. mastering a&p- chapter 11 (part of 12) EXAM 5, Anatomy & Physiology Test 2: Tissues & Integu, UTA Biol 2458- A&P 2 Aranda Test review 1, Mastering Homework Questions and Notes: Actio, The Language of Composition: Reading, Writing, Rhetoric, Lawrence Scanlon, Renee H. Shea, Robin Dissin Aufses, Edge Reading, Writing and Language: Level C, David W. Moore, Deborah Short, Michael W. Smith. c. a Mendelian disease. The sheath of Schwann is also called the ________. Which Of The Following Is Not A Characteristic Of Neurons Which of the following is not a structural feature of a neuron? Which of the following is not characteristic of neurons. 25 26 Which of the following is not a special characteristic of neurons c. medulla. Which of the following is NOT characteristic of nervous tissue in the brain a. Neurons create extensive communication networks throughout the nervous system. 100% (3 ratings) Which of the following is NOT a characteristic of neurons? STRUCTURAL FUNCTIONAL CHARACTERISTICS OF NERVOUS AND GLIAL CELLS. a. ribosomes. Which of the following statements is true of both membrane potential responses shown in the graphs? c. reduced oxygen delivery to cells. A Pyrex container is completely filled with 275cm3275 \mathrm{~cm}^3275cm3 of mercury at 10.0C10.0{\degree} \mathrm{C}10.0C. What is a credit line? Characteristics of neurons Flashcards | Quizlet nervous system? Which cell causes endothelial cells to fit closely together? e. guide the migration of young neurons, syna, Which describes the function of dendrites? Reflexes are rapid, automatic responses to stimuli. b. Microglial cells a. Oligodendrocytes 52. Visual disturbances, paralysis, and weakness, Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Elliot Aronson, Robin M. Akert, Timothy D. Wilson. 44. b. transcription factors. D) They can be called postsynaptic potentials. Which of the following is not characteristic of neurons a a. the hippocampus. B) Group A fibers are mostly somatic sensory and motor and are the smallest in diameter. The function of neurons is to communicate information from one part of the body to other parts. d. They are the same as any other cells. The plasma membrane of the neuron is semipermeable, being highly permeable to K + and slightly permeable to Cl and Na +.In the extracellular fluid, electroneutrality is preserved by a balance between a high concentration of Na + on the one hand and a high concentration of Cl , as . C) acetylcholine b. Sensory afferent neurons possess long dendrites and short axons. The person would have impaired decision making while the drug's effects were active. Sensory receptors for touch (and pressure) respond to physical deformation of the receptors, resulting in the opening of specific mechanically gated ion channels. B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. Do not divide - (neural stem cells are an exception) 3. Which of the following is NOT a special characteristic of neurons a Resting potentials are not just characteristics of nerve cells; all cells in the body have resting potentials. a. Dendrite b. C) action potential 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. ch. 11 test 4 Flashcards | Quizlet d. cerebral blood vessels. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. a. synapses. High metabolic rate C. Require continuous supplies of glucose and oxygen D. Extreme longevity E. No exceptions; all of these are characteristic of neurons. If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. They control, in this way, from the movement of an arm, thoughts and even feelings through electrical signals that are called nerve impulses. 64. (a) can maintain ionic balance of extracellular environment for neurons (b) can take glucose from blood to provide to neurons to make ATP (c) can take up neurotransmitter from a synapse (d) can phag, Which of the following are characteristics of myelinated axons? Anatomy and Physiology questions and answers. d. Parkinson's disease. Which of the following is not a function of astrocytes? a) ion b) cholinesterase c) neurotransmitter d) biogenic amine. D) Schwann cells, Schwann cells are functionally similar to ________. ce3z/(4zi)3dz_ce^{3z}/(4z-i)^3dz All of the following describe the functions of astrocytes except: A) They are short-lived. Which of the following is not characteristic of neurons? (a) They A) the myelin sheath Saltatory propagation occurs in _________ axons, in which action potentials _________. a. Epigenetic markers b. oligodendrocytes. Classify neurons according to their structure. Some neuroglia remove debris and foreign material from the nervous system. B) nerves It impacts your spinal cord and the nerves that transmit and receive messages between your brain and the rest of your body. A) the membrane potential has been reestablished Inhibitory postsynaptic potentials (IPSPs) are "firing," but due to the neurotransmitter released and its action, the postsynaptic neuron is inhibited from "firing" (hyperpolarized). b. Somatics A) motor neurons A. Motor neurons transmit the nerve impulses from CNS to effectors (muscles and glands). True or False, If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and destroy them. D) effector, What is the role of acetylcholinesterase? a. visual information. a. messenger ribonucleic acid. 66. 1. c. decrease the activity of postganglionic parasympathetic neurons. What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? a. Basal ganglia The cerebellum is located in the: a. Schwann cells b. oligodendrocytes c. astroc, What kind of nerve cells are thought to be helpers for the neurons? A chemical messenger that does not directly cause ESPSs or IPSPs but does affect the strength of synaptic transmission is a ________. Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? Contains cells with macrophage activity c. Exhibits regenerative capacities d. Contains lymphatic vessel. Neurons may be classified according to several characteristics. True or False, The autonomic nervous system is under voluntary control; whereas, the somatic nervous system is involuntary. c. Neuromuscular junction The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. D) They are short-lived. Myelinated neurons conduct impulses faster than unmyelinated neurons because? A single type of channel will open, permitting simultaneous flow of sodium and potassium. b. medulla Which of the following is not a function of neurons? - Toppr Ask Oligodendrocytes are a type of neuroglia. Motor afferent neurons possess long dendrites and short axons. a. Trigeminal nerve a. polymorphisms. They may live as long as the organism they are part of, and they have an exceptionally high metabolic rate, requiring large amounts of glucose and oxygen to produce ATP. Our experts can answer your tough homework and study questions. B) voltage-gated channel a. Neurogenetics 1. d. The blood-brain barrier, 17. 55. Which of the following describes the nervous system integrative function? b. increasing glial scarring. a. anchor neurons to blood vessels. 11. 75. The generation of an action potential in a neuron requires the presence what type of membrane channels? A) They increase amplitude as they move away from the stimulus point. Describe the structure of neurons 2. Structural Functional Characteristics of Nervous and Glial Cells a) The preganglionic neuron (sometimes called the ganglionic neuron), is the first motor neuron. D) erratic transmission of nerve impulses, Which of the following is not a chemical class of neurotransmitters? C) Sodium gates in the membrane can open in response to electrical potential changes. O They conduct impulses. Conduct chemo-electrical impulses. 31) Neurons may be classified according to several characteristics. b. Axon and soma Which of the following is false or incorrect? D) potassium, Nerve cell adhesion molecules (N-CAMs) ________. Get access to this video and our entire Q&A library. What do neurons synapse with? The point where a motor neuron meets a muscle fiber is called the: B) muscle contraction would occur. FUNCTIONS OF ORGANELL NEURONS<br><br>The nerve cell - neuron - is a structural and functional unit of nervous tissue. March 17, 2022. B) type of stimulus receptor 12. c. enhance the activity of reactive astrocytes. 4. c. it increases flow to highly active neurons. Which of the following statements is true? a. cerebellar ataxia. Imagine a neuron that has several hundred axonal knobs impinging on it. Types of neurons: Characteristics and functions - Muy Salud Crosstalk between m6A mRNAs and m6A circRNAs and the time-specific All other trademarks and copyrights are the property of their respective owners. d. The person would have dulled senses for some period of time after taking the substance. 40. 2. True or False, Axon diameter and degree of myelination determine nerve impulse conduction velocity. Which membrane potential occurs because of the influx of Na+ through chemically gated channels in the receptive region of a neuron? a. reduced cerebrospinal fluid. A severe tremor in someone's hands could be caused by abnormal functioning in the: 2003-2023 Chegg Inc. All rights reserved. Which of the following are the cells of nervous tissue? D) ligand-gated channel, An impulse from one nerve cell is communicated to another nerve cell via the ________. The comparison demonstrates that the suggested controller closely tracks the reference voltage than the . a. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. d. The person may have motor tremor. 1. What symptoms would a nurse focus on in his or her care of a patient with multiple sclerosis? a. postganglionic terminals. d. endothelial cells., 2. 2.Motor. c. afferent neuron. Cells may have long extensions. c. gene duplication. These K+ ions decrease the positive ion concentration momentarily below the normal -70mV and thus hyperpolarize the cell. a. periaqueductal gray. 67. A) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. Which pattern of neural processing is important for higher level mental processing such as problem solving? d. Nuclei. These neurons are inhibitory neurons, meaning they release neurotransmitters that keep other neurons from firing. the sympathetic division of the autonomic nervous system. 36. a. alertness. Which of the following is NOT a characteristic of the parasympathetic division? your answer. b. Ventral root B) chloride 1 and Klioutchnikov et al. The majority of these axonal knobs are shown to be "firing." ________ potentials are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized. Hint. b. they prevent axons from re-growing. The human body is made of about 100 billion neurons. 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? Image credit: iStockphoto. a. meninges. B They have extreme longevity. a. interneuron. CREB3L2-ATF4 heterodimerization defines a transcriptional hub of o Neurons have a very long lifespan Have low mitotic activity fie cannot undergo cell division) O Ability to transmit electrical signals (i.e. All rights reserved. Neurons require continuous and abundant supplies of oxygen, and cannot survive for more than a few minutes without it. When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. Harvard University Laboratory Technician Job in Cambridge, MA | Glassdoor c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? depolarized to Central Nervous System - Neurons have a cell body, which contains the majority of the cell's organelles. Be The characteristic neurologic picture including loss of consciousness, temporary respiratory arrest, and loss of reflexes. b. What type of neuron connects sensory and motor neurons in neural pathways? The part of a neuron that sends neurotransmitters into a synapse is called a(n): 6. Events that occur during synaptic activity are listed here, but they are arranged in an incorrect order. Which of the following is not a function of the autonomic nervous system? A. Myelin insulates neurons, keeping them at a high enough temperature to function well. b. Reactive astrocytes d. pituitary gland. A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. A thirestold potential must be excecded or reached. Which cranial nerve receives sensory information from the heart, liver, and intestines? c. midbrain. d. hippocampus. C) oligodendrocytes 56. C) the impulse would spread bidirectionally Which nerve cells carry impulses from the brain to the muscles? ANSWER : The neurons are included in the somatic body cells but are. A substance that directly activates gene transcription is likely acting as a: D) A small . d. parasympathetic nervous system. A&P Chapter 12 Flashcards | Quizlet A drug that caused someone to make a reckless decision might be affecting the: 8. a. What is the function of dendrites in a neuron? c. Extrapyramidal System D) The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. The latter from the brain to the spinal cord. D) glial cell, Saltatory conduction is made possible by ________. . Specifically, combination therapy (simultaneous use of customized sub-perception field and paresthesia-based SCS) versus monotherapy (paresthesia-based SCS) was evaluated. A toxin that destroyed the presynaptic terminal on an axon would likely: 7. A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. D) size of action potentials, Bipolar neurons are commonly ________. Which of the following is true about the movement of ions across excitable living membranes? The cerebral cortex is located in the forebrain. The resting membrane potential is maintained by Na+-K+ pumps that actively transport __ into and ___ out of the cell. b. smooth muscle cells are uninucleated. Two subtypes of motor neurons have been identified: inferior and superior. 34. The nucleus accumbens facilitates fear and aggression. Motor. That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. 59. Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte. Name the parts that comprise the elbow joint. 12. c. Epigenetics B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. b) Neurological cells protect and support neurons. D) biogenic amine, A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. A&P Ch. 14 Flashcards - Cram.com In general, neurons cannot be replaced if destroyed. D) the impulse would move to the axon terminal only, and the muscle contraction would occur, Which of the following neurotransmitters inhibits pain and is mimicked by morphine, heroin, and methadone? Identify the cell type below that assists the function of neurons and has a supportive role within the nervous system? The Macklis Lab is directed toward (1) understanding molecular controls and mechanisms over neuron sub-type development, diversity, axon guidance-circuit formation, and degeneration in the cerebral cortex, and (2) applying developmental controls toward brain and spinal cord regeneration and directed differentiation for in vitro therapeutic and mechanistic screening. Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? Oligodendrocytes form and maintain the blood-brain barrier. Answer (1 of 3): So a neuron is a specialized cell in the brain with certain characteristics. Solved Question 35 1.5 pts Which of the following is not a - Chegg Damage to the hypothalamus may alter someone's motivation to eat. It also affects your cerebellum, the part of your brain that controls movement and balance. When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. David N. Shier, Jackie L. Butler, Ricki Lewis, Anatomy and Physiology: An Integrative Approach, Michael McKinley, Theresa Bidle, Valerie O'Loughlin, LELCB 1B (28/1) - Collocation review (gap fil. Which of the following plays an integral role in saltatory conduction? The neuronal membrane. Answered: In the discussion section the authors | bartleby d. at the axon terminal. A person suffering from an inability to speak the word she intends to say, sometimes Site of mRNA translation for proteins of the axolemma c. Axon fibres are covered by a white sheath called myelin. b. inhibit axon growth. 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. A) sodium d. support and brace neurons. d. cingulate cortex. C) neurotransmitter d. transcription factor. The significance of the myelin sheath surrounding axons of werve neurons is that ia is B. composed of synaptio vesieles, which corapletely botate the nouron due w ins whter dianecer. 32. See Page 1. C) biogenic amine Which of the following is the mechanism by which these viruses travel from the ganglia (located within the head . C) leakage channel 2. C) are crucial in the production of neurotransmitters True or False, Some neurotransmitters can be either excitatory or inhibitory depending upon the receptor. 57. ______________ are chemicals that promote the growth and development of neurons. The oligodendrocytes can myelinate several axons. b. cingulate cortex. The preclinical phase of AD, which can last 10 to 20 years, is characterized by the gradual accumulation of -amyloid and tau aggregates in the brain, together with neuroinflammation and synaptic alterations ().Several lines of evidence indicate that -amyloid deposition precedes . d. Neurogenetics. Which of the following is not found in the limbic system? Which of the following is NOT a function or characteristic of neurons? c. Motor efferent neurons possess long dendrites and short axons. d. touch information. [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 is not a special characteristic of neurons? 13. c. working memory. d. Neurotransmission from the neuron would increase. According to the signal, carried by motor nerves to effector organs, the muscles and glands . Solved Which of the following is NOT a characteristic of - Chegg a. Oligodendrocytes A) short distance hyperpolarization b. glial cells. This is an example of: 26. b. astrocytes respond to injury. Classify Neurons by 3 Structures. Central Nervous System Biochemical Characteristics of iPSC-Derived Dopaminergic Neurons from These gases are neurotransmitters that act indirectly. Which of the following is the study of mechanisms of gene expression not involving Collections of nerve cell bodies outside the central nervous system are called ________. c. cause the release of neurotrophins. d. pineal gland. c. It is avascular. 9. 1. a. Microglial cell activation (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 . nervous system. Which division of your nervous system is generating this response? PDF Quiz 42, Understanding Motor SystemsSR - SNACC The axon c. The dendrites d. The Nissl bodies. a. inhibit the production of neurotrophins. The interior is ________. The presence of at least one Y chromosome indicates: D) Ions always move from an area of higher concentration to an area of lower concentration, A second nerve impulse cannot be generated until ________. Nervous system - The neuronal membrane | Britannica Saltatory conduction is made possible by ________. a. Responding to brain injury is an important function of astrocytes. Schwann cells myelinate PNS axons. the membrane potential has been reestablished. a. Oligodendrocytes A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. What structural classification describes this neuron? This may account for the cycles of relapse and remission in different patients. a. decrease a neurons's aerobic energy metabolism. As you start working out, you notice that your heart rate and breathing rate start to increase. Sensory Neurons Motor Neurons Inter-Neurons What are the two(2) functional neuron types that are structurally multipolar neurons? I was doing so well." B) norepinephrine a. the classification is based on the number of processes extending from the cell body b. multipolar neurons have several axons and one dendrite c. most neurons in the; Which of the following neurons forms the blood-brain barrier? C) They are mitotic. sure to include the influence of German philosopher Karl Marx in Some axon terminals contain more than one kind of neurotransmitter. View the full answer. the somatic nervous system. c. Transcription factors 42. a. medulla. Unipolar,Bipolar,Multipolar. e. neurons that innervate smooth muscle are under involuntary control. a. Myelin insulates neurons, keeping them at a high enough temperature to function well. b. sulci. c. Astrocytes 15. Damage to the hippocampus would likely cause impairments to long-term memory A) act as a transmitting agent c. the structure is further out to the side of the brain. 7. d. tremor. When excited electrically, the Hg atoms emit UV light, which excites the phosphor coating of the inner tube, which then emits visible (white) light. E) nucleic acid. b. Microglial cells the afferent division of the nervous system. True or False, A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. D. They have an exceptionally high metabolic rate., These cells in the CNS have cilia that move in order to circulate cerebrospinal fluid ________. Unipolar neurons have axons structurally divided into peripheral and central processes, Neurons in the CNS are organized into functional groups, If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and destroy them, The nodes of Ranvier are found only on myelinated, peripheral neuron processes. It is important when reducing any model to first identify these characteristic behaviours. c. preganglionic terminals. In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? Name the following: Nervous tissue cells that regulate the chemical environment of neurons. Diminished release of acetylcholine from preganglionic sympathetic neurons would: to axon segment Axon segment People throughout history (has, have) been fascinated by the moon. She asks the nurse,"Why did this have to happen to me again? A drug that increases appetite would likely affect: It is the main component of the nervous system- both the central nervous and peripheral nervous system. Distinct reward processing by subregions of the nucleus accumbens c. the thalamus. Which of the followings cells accounts for roughly half of the volume of the nervous system? How can a single axon respond to several different kinds of events? If a person ingested a substance that temporarily impaired the functioning of the c. hindbrain. To reveal how individual NAc neurons respond to reward, we implanted gradient index (GRIN) lenses in the NAcLat and the NAcMed and recorded single-neuron calcium activity using a miniature head-mounted microscopy (Figures 2 A and 2B). D) moves membrane potential away from threshold. 78. 31. Begin by sketching the contour. D) spinal cord and spinal nerves, The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. b. Neurotrophins Expert Answer. The parts of neurons that receive information from other neurons are called: 4. C) negatively charged and contains more sodium B) the Na ions have been pumped back into the cell The parasympathetic division includes the pelvic nerves. While taking notes in class, a student had keep in mind what the professor had just stated in 4. 25. C) opens K+ or Cl- channels Preganglionic neurons are located in the brain stem and sacral segments of the spinal cord. Neuroglia (a) conduct electrical impulses, (b) are nerve stem cells, (c) are support cells that aid neurons, (d) are an abnormal growth of neural tissue. a. Amygdala lowers the probability of producing an action potential. b. hypothalamus d. proteins. c. lead to foreign substances entering the brain from the circulatory system. D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. C) diphasic impulses Discovering that early life stress may cause polymorphisms that increase the risk of C) Neurotransmitter receptors are located on the axons terminals of cells. Which of the following stimuli caused the reaction in the graph on the left? Different types of neurons include sensory, motor, and interneurons, as well as structurally-based neurons, which include unipolar, multipolar, bipolar, and pseudo-unipolar neurons. Polygenic inheritance is the inheritance of traits that are influenced by multiple genes.
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