which of the following is not characteristic of neurons?

High metabolic rate. b. they prevent axons from re-growing. to axon segment Axon segment 30. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. b. Sensory afferent neurons possess long dendrites and short axons. Which of the following is NOT a type of circuit? Functions. Which of the following is NOT a characteristic of neurons? d. improve recovery from traumatic brain injury. B) repolarization FUNCTIONS OF ORGANELL NEURONS<br><br>The nerve cell - neuron - is a structural and functional unit of nervous tissue. Answer (1 of 3): So a neuron is a specialized cell in the brain with certain characteristics. Some neuroglia remove debris and foreign material from the nervous system. Which of the following describes the excitatory postsynaptic potential? 57. c. end terminus. Identify the neuron type described: A functional neuron type most prevalent in the CNS. a. b. b. cerebellum. d. pituitary gland. c. Oligodendrocytes 51. d. tremor. Which of the following is not a function of the autonomic nervous system? A) senses changes in the environment 53. d. neuromuscular junctions. d. The blood-brain barrier, 17. a. Oligodendrocytes Resting potentials are not just characteristics of nerve cells; all cells in the body have resting potentials. What are the different types of neurons in the ANS and where are they located? c. pons As you start working out, you notice that your heart rate and breathing rate start to increase. a. Neurogenetics Which of the following is not a function of astrocytes? B) The release of neurotransmitter molecules gives cells the property of being electrically coupled. Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. When a gene is activated, a specific DNA segment is unraveled and transcribed onto: b. cause aggressive behavior. Select the correct statement regarding synapses. b. thalamus. Which of the following statements most accurately describes the effects caused by binding of the neurotransmitter (green dots) to the structure labeled C? The characteristic neurologic picture including loss of consciousness, temporary respiratory arrest, and loss of reflexes. d. Neurogenetics. D) positively charged and contains more sodium, If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. Similar to hormones, NO and CO promote longer-lasting effects by acting through intracellular second-messenger molecules. d . Why? A drug that inhibited the reticular activating system would most likely cause: D) astrocytes, What does the central nervous system use to determine the strength of a stimulus? d. The patient is at risk of a Mendelian disease. Responding to brain injury is an important function of astrocytes. D) potassium, Nerve cell adhesion molecules (N-CAMs) ________. The latter from the brain to the spinal cord. d. a transcription factor. a. Axons b. Neurons c. Neuroglia d. Synapses e. Type A fibers, Which of the following parts of a neuron contain excitable membranes? b. the person has a disease that affects myelin around axons. A neuron consists of a nucleus, a region of tissue that contains the cell body. c. Neuromuscular junction Fill in the blank. C) frequency of action potentials d. medulla. Events that occur during synaptic activity are listed here, but they are arranged in an incorrect order. 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. The _________________ facilitates balance and the timing of movements. c. decrease the activity of postganglionic parasympathetic neurons. 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. d. Neurotrophins. a. meninges. 38. 3 special characteristics of neurons. Integrate. D) control the chemical environment around neurons If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. c. The cerebral cortex includes the cerebellum. a. improve working memory. Identify the following: Acetylcholinesterase would be found in the synapse between neurons for this branch of the ANS and the effector cells. B) microglia D) glial cell, Saltatory conduction is made possible by ________. b. increasing glial scarring. a. Dendrites and axon An inhibitory intracellular matrix releases neurotrophins to impair axon re-growth. It is impossible in a single chapter to delineate comprehensively the extensive structural, topographical and functional variation achieved by this cell type. Which of the following is not true about the cerebral cortex? d. M1 microglial cells. 1.Introduction. a. reduced cerebrospinal fluid. 14. 49. C) They can be called postsynaptic potentials. Visual disturbances, paralysis, and weakness, Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Elliot Aronson, Robin M. Akert, Timothy D. Wilson. b. expect to find increased blood flow. Which of the following is not a function of the autonomic nervous system? Growing numbers of sodium channels appear spontaneously in the demyelinated fibers so that conduction resumes, even if slower. A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. a. medulla. The characteristics that vary on a continuum among people, such as height, skin color, or intelligence, are most likely determined by polygenic inheritance. (a) Cell body (b) Dendrites (c) Axon (d) All of the above are structural features of a neuron. Which functional classification of neurons is the most numerous? A) long distance signaling E) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability. c. it increases flow to highly active neurons. D) stimulate the production of acetylcholine, Which of the following is not a function of the autonomic nervous system? B) muscle contraction would occur. cells would most likely be responsible? 100% (3 ratings) Which of the following is NOT a characteristic of neurons? c. the person had a past traumatic brain injury. The Quadratic Formula from Kinematics In this problem we show how the kinematic equations of motion can be used to derive the quadratic formula. Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte, Efferent nerve fibers may be described as motor nerve fibers. Estimate the mass of Hg vapor present in the type of long, thin fluorescent tubes used in offices. True or False, Axon diameter and degree of myelination determine nerve impulse conduction velocity. c. pons. b. reduce the activity of postganglionic sympathetic neurons. spindle fibres to divide the cell. A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. b. Neurotransmitters c. interneurons make inhibitory connections with damaged neurons. d. the hypothalamus. Oligodendrocytes form and maintain the blood-brain barrier. c. M2 microglial cells b. on the soma. Like the heart, lungs, and stomach, the nervous system is made up of specialized cells. - Neurons have a cell body, which contains the majority of the cell's organelles. When excited electrically, the Hg atoms emit UV light, which excites the phosphor coating of the inner tube, which then emits visible (white) light. b. medulla True or False, Which of the following is not a function of astrocytes? The sheath of Schwann is also called the ________. Central Nervous System C) Sodium gates will open first, then close as potassium gates open. 78. 1. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. 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. 67. c. basal ganglia. What functional class of neuron carries impulses away from the CNS to muscles or glands? D) ligand-gated channel, An impulse from one nerve cell is communicated to another nerve cell via the ________. c. Ganglia Which of the following statements is true of both membrane potential responses shown in the graphs? Which of the following is expected to occur first if the membrane potential decrease shown in the graph on the left were to reach the threshold value indicated at ~ -55 mV? D) effector, What is the role of acetylcholinesterase? Calcium influx into the synaptic terminal causes vesicle fusion. Which of the following is NOT a characteristic of epithelial tissue? Neurons are a type of cell and are part of the nervous system. researcher would: Motor afferent neurons possess long dendrites and short axons. A. B) They can form on receptor endings. When the neurons were damaged, the number of Nissl corpuscles decreased significantly . 23. Melatonin is released from the: They are electrically excitable cells which generate action potentials. (a) dendrites (b) cell body (c) myelin (d) axon terminal. b. A severe tremor in someone's hands could be caused by abnormal functioning in the: The person would have impaired decision making while the drug's effects were active. Schwann cells are functionally similar to ________. Which of the following are functions of the CNS? b. What does the central nervous system use to determine the strength of a stimulus? From a historical standpoint, no other cell type has attracted as much attention or caused as much controversy as the nerve cell. d. hypothalamus. b. 76. b. autosomal chromosomes. b. smooth muscle cells are uninucleated. Which of the following is not a structural feature of a neuron? a.) The neuronal membrane. b. cholinesterase. ___________ are clusters of neuron cell bodies in the sympathetic and parasympathetic b. cingulate cortex. d. the person has a history of drug abuse. B) Ions always move passively across membranes. A) origin of the stimulus What symptoms would a nurse focus on in his or her care of a patient with multiple sclerosis? The synapse more common in embryonic nervous tissue than in adults is the ________. c. Transcription factors The parasympathetic division includes the splanchnic nerves. Which of the choices below describes the ANS? d. Hypothalamus, 37. The actual cause of the neurodegenerative component of the disease is however unclear. a. Amygdala What effect might a disease that destroyed oligodendrocytes have on neuronal function? c. myelin around axons. 1. The autonomic nervous has control centers in the: A. Sensory. c. gamma aminobutyric. a. Pons Identify the neuron type described: Two neuron types whose cell bodies are in the spinal cord (CNS). In which area of the neuron is an action potential initially generated? inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. What should the nurse explain to the patient regarding the role of serotonin and depression? For skeletal muscle cells to contract, they must be excited by motor neurons. Which of the following is NOT a characteristic of the parasympathetic division? c. a ventricle. ________ is a disease that gradually destroys the myelin sheaths of neurons in the CNS, particularly in young adults. A) axon B) dendrite C) neurolemma DI) Schwann cell. a. on dendrites. The cerebral cortex has features called gyri and sulci. What are the basic divisions of the peripheral nervous system? C) oligodendrocytes c. Astrocytes b. Neurons have . Alzheimer's disease (AD) is a progressive neurodegenerative disorder with an increasing worldwide prevalence. Do not divide - (neural stem cells are an exception) 3. 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) found in ganglia It impacts your spinal cord and the nerves that transmit and receive messages between your brain and the rest of your body. E) nucleic acid. Motor afferent neurons possess long dendrites and short axons. A gap between Schwann cells in the peripheral system is called a(n) ________. c. neurotrophins. d. touch information. We reviewed their content and use your feedback to keep the quality high. What are the neuron functions for the peripheral nervous system? The presence of at least one Y chromosome indicates: 2. 79. If a person ingested a substance that temporarily impaired the functioning of the Answer: They are constantly dividing Explanation: Neurons are like different cells in the body on the grounds that: Neurons are encircled by a cell . Current flows continuously, Local current flows c. working memory. Which nervous system was the drug most Question. What two physiological characteristics are highly developed in the neurons? Classify neurons according to their function. alternations to DNA sequences? Required fields are marked. b. it provides a medium for nutrients to cells. a. Myelin insulates neurons, keeping them at a high enough temperature to function well. a. Multi-polar neurons b. Bipolar neurons c. Uni-polar neurons. D. They have an exceptionally high metabolic rate., These cells in the CNS have cilia that move in order to circulate cerebrospinal fluid ________. a. sensory neuron b. interneuron c. motor neuron d. gland e. muscle. 72. The axon hillock is located: B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. a. astrocytes play a role in neurotransmission. . A. neuronal fibers; axons B. axons; dendrites C. dendr. d. Inhibited salvation. c. Astrocytes In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? If a loud noise made you jump, which structure was most likely responsible for this a. it provides a protective cushion for the brain. D) nitric oxide, Which of the following describes the excitatory postsynaptic potential? d. increased protection of the brain. A) innervation of smooth muscle of the digestive tract Expert Answer. C) depolarization Aim: The Combining Mechanisms for Better Outcomes randomized controlled trial assessed the effectiveness of various spinal cord stimulation (SCS) modalities for chronic pain. 64. ce3z/(4zi)3dz. innervation of skeletal muscle. a. decrease a neurons's aerobic energy metabolism. a. Oligodendrocytes Neurons: The part of the neuron responsible for receiving, integrating, and sending nerve impulses is the A. dendrite. Which of the following is not characteristic of neurons? 22. 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 . d. Nuclei. Which of the following best describes the function of astrocytes? Hepatocytes and neurons express low baseline CB1R and CB2R, respectively, and their cell-type-specific functions are not well defined. The membrane potential of the postsynaptic membrane changes. b. Gliosis B) called neuroglial cells Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. DI) They have an exceptionally high metabolic rate. A) acetylcholine b. glial cells. If a neuroscientist described a structure as more lateral to a particular area, this means that: The STN also forms a reciprocally connected network with the GABAergic external globus pallidus that converges onto common basal ganglia output neurons. Explain why some forms of MS are characterized by periods of remission and exacerbation. Which of the following conducts impulses to an effector? A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. Psych 4035 Ch 3 Practice and Reading Quizzes, David N. Shier, Jackie L. Butler, Ricki Lewis, Charles Welsh, Cynthia Prentice-Craver, David Shier, Jackie Butler, Ricki Lewis, Chapter 3 Formatting Documents- Val Caylor. Expert Answer. Which of the following is a factor that determines the rate of impulse propagation, or conduction velocity, along an axon? b) The preganglionic neuron (sometimes called the ganglionic neuron), is the second motor neuron. What is the functional neuron type that is the most prevalent in the CNS? What market share did Mountainside have? Neurons can function optimally for over 100 years. This disease causes gradual muscle stiffness . True or False, The overlapping functions of the nervous system are sensory input, integration, and motor output. Its cell body is in an autonomic ganglion outside the CNS. . 1. Which of the following is not characteristic of neurons? Begin by sketching the contour. Damage to the ________________ could cause changes to one's motivation to eat, such as Neurons generate and conduct electrical impulses called action potentials. a. M4 nervous system. certain disorder would most likely investigate which of the following? Local anesthetics block voltage-gated Na+ channels, but they do not block mechanically gated ion channels. Select the correct statement about serial processing. ATP neurotransmitters have what basic effect on the body? Describe the types of neurons, their structure and their function. 74. Oligodendrocytes are a type of neuroglia. 2. a. Trigeminal nerve 69. 9. To find the time when this object reaches the position x=0x=0x=0 we can use the quadratic formula, or apply the following two-step procedure: (a) Use Equation v2=v02+2a(xx0)=v02+2axv^2=v_0^2+2 a\left(x-x_0\right)=v_0^2+2 a \Delta xv2=v02+2a(xx0)=v02+2ax to show that the velocity of the object when it reaches x=0x=0x=0 is given by v=v022ax0v=\pm \sqrt{v_0^2-2 a x_0}v=v022ax0. 11. The function of neurons is to communicate information from one part of the body to other parts. Name the two other neuron types which are cholinergic. Cell body c. Ganglion d. Axon, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? The patient is noncompliant and needs additional monitoring. The person may have an increase in heart rate. Cedric S Raine. C) diphasic impulses The synapse more common in embryonic nervous tissue than in adults is the ________. Write a paragraph describing the C) neurolemma A) the myelin sheath Generally, these traits are not determined by just one gene, but instead by the cumulative effect . b. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. (c) They have an exceptionally high metabolic rate. Discover and discuss the meaning of dendrites, axon, membrane polarization, membrane depolarization, and synapses. d. increase the density of dendritic spines. 1. Classify Neurons by their Function. Even though someone is diagnosed with MS, the axons are not damaged. Unipolar,Bipolar,Multipolar. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. Which neurons reside only within the CNS? True or False, A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. c. Electrical impulses would be unable to travel down axons. The person may have constricted pupils. Cerebrospinal is located in the following structures except: 2. _____________ is a process for responding to brain injury. - Neurons have one or more long, slender projections called dendrites, which receive electrical impulses from other neurons. B) norepinephrine 48. b. ventricles. Expert Answer. A toxin that destroyed the presynaptic terminal on an axon would likely: 7. A) short distance hyperpolarization B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. your answer. I was doing so well." 77. (a) Voltage-gated calcium channels open (b) Neurotransmitter binds to receptors (c) Action potential arrives at axon terminal (d) Neurotransmitter is removed from the synaptic cleft (e) Neurotransmitter released into synaptic cleft (f) Graded potential generated in postsynaptic cell, (c) Action potential arrives at axon terminal (a) Voltage-gated calcium channels open (e) Neurotransmitter released into synaptic cleft (b) Neurotransmitter binds to receptors (f) Graded potential generated in postsynaptic cell (d) Neurotransmitter is removed from the synaptic cleft. Some axon terminals contain more than one kind of neurotransmitter. a. extrapyramidal motor system. Differentiate the actions and chemical messengers in the endocrine system from those in the nervous system. d. Sympathetic ganglion, 24. a. Somatic Nervous System Relative to the central nervous system, motor neurons are referred to as afferent neurons. 12. A. thow ion selectivity C. are gated A. The interior is ________. b. motor fibers that conduct nerve impulses from CNS to skeletal muscles. What portion of the neuron receives signals from other neurons? d. Parkinson's disease. The importance of a stimulus is derived from the number of stimuli received from the same source. B) amplify or enhance the effect of ACh Specialized cells in the nervous system that control behavior, senses, and movement are called: a. neurons. The following is a list of characteristics of neurons: - Neurons are cells that specialized in the transmission of electrical impulses. An experimental drug that reduces the release of chemicals that inhibit axon growth may: d. astrocytes. Describe annual cleanupthat isfrequently present in these agreements. 28. Demyelination interferes with saltatory conduction, which would result in a slowing down of nerve impulse propagation. conditions in Russian society that led to the Revolution of 1917. Relative to the prefrontal cortex, the neuron would be called a(n): Classify neurons according to their structure. These neurons are inhibitory neurons, meaning they release neurotransmitters that keep other neurons from firing. A. What is the role of acetylcholinesterase? c. genes. b. prevent electrical impulses from traveling down axons. d. Extrapyramidal System. Which of the following is not characteristic of neurons? D) control the chemical environment around neurons sure to include the influence of German philosopher Karl Marx in True or False, Unipolar neurons have axons structurally divided into peripheral and central processes. Be d. Sensory, Which neuron structure receives impulses from the preceding cell? a. Doral root 63. B) synapse During depolarization, the inside of the neuron's membrane becomes less negative. What type of motor neuron stimulates skeletal muscle fibers to contract by the excitation contraction mechanism? What process does this interfere with and what would be the consequence? c. Motor efferent neurons possess long dendrites and short axons. B) muscle contraction would occur C) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. Schwann cells myelinate PNS axons. A) sodium 2. c. provide the defense for the CNS. There are two well-characterized cannabinoid receptors (CB1R and CB2R and other candidates): the central nervous system (CNS) enriched CB1R and peripheral tissue enriched CB2R with a wide dynamic range of expression levels in different cell types of human tissues. The point where a motor neuron meets a muscle fiber is called the: The prefrontal cortex is important for working memory function. 31. a) axons b) dendrites c) Schwann cell d) cell body, Which of the following forms myelin in axons at PNS? b. Microglial cells The nucleus accumbens facilitates fear and aggression. d. Autonomic Nervous System, 21. Neurons and muscle cells are considered excitable tissues because they do what? 11. Which of the following correctly describes a graded potential? c. the thalamus. Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? b. cerebellum. D) all sodium gates are closed, In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? c. Dendrites and cell bodies are found in the lateral gray columns of thoracic and the firs, Which type of neuron transmits impulses from the central nervous system to effectors such as muscles and glands? Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? a. pituitary gland. b. What are the possible responses? 73. a. medulla. 39. Which of the following plays an integral role in saltatory conduction? a) The preganglionic neuron (sometimes called the ganglionic neuron), is the first motor neuron. A) positively charged and contains less sodium a. Autonomic pathways consist of two types of motor neurons. Motor has two divisions: the somatic and autonomic. 1. The frequency of impulse transmission indicates the stimulus intensity and the brain responds appropriately. d. acetylcholine. b. Neurons would be unable to form the blood-brain barrier. What is the function of dendrites in a neuron? d. Neurotransmission from the neuron would increase. A) support and brace neurons a. synapses. View the full answer. c. The person may stop breathing. Site of mRNA translation for proteins of the axolemma c. Axon fibres are covered by a white sheath called myelin. c. synapses. (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. b. dorsal horn a. parietal lobe. What are the advantages and disadvantages of Europe's communications systems? described as having a word on the tip of your tongue, might have abnormal functioning in the: It is shown that localized co-injection of lidocaine derivative QX-314 and receptor agonists is able to block cold sensitivity in mice in a targeted way, with implications for treating cold pain associated with injury and disease. Which of the following is not a characteristic of ion channels? The pons is activated when someone startles. D) Schwann cells, Schwann cells are functionally similar to ________. b) Myelin prevents conduction of electricity from the axon hillock to the axon terminal. a. visual information. a) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands b) motor fibers that conduct nerve impulses from the CNS to skeletal muscles c) sensory and motor neurons t. 1. Glial scars may impair recovery from brain injury because: What are the different classes of neurons and their functions? 5. Which of the following is not characteristic of neurons. C) biogenic amine b. Myelin prevents conduction of electricity from the axon hillock to the axon terminal.

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which of the following is not characteristic of neurons?

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