which of the following is not characteristic of neurons?josh james tech net worth

taking the substance. 19. likely true? The midbrain contains the: d. oligodendrocytes fail to myelinate re-growing axons. negatively charged and contains less sodium. 77. - Neurons have a cell body, which contains the majority of the cell's organelles. Are most pedagogues more interested in automation or orthography? (d) All of these are characteristic of neurons. d. it fills spaces in the brain. The parasympathetic nervous system prepares the body for rigorous activity. Which of the following is true about the movement of ions across excitable living membranes? A) acetylcholine A) ependymal cells c. Astrocytes Which of the following best describes the function of astrocytes? When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. If a neuroscientist stated that a brain structure had efferent neurons, what can be concluded? d. Extrapyramidal System. a. the structure is below the area. Stimulation of initial axon segment The part of the neuron responsible for receiving, integrating, and sending nerve impulses is the A. dendrite. b. b. prevent electrical impulses from traveling down axons. a. the hippocampus. b. M3 acetylcholine ________ are found in the CNS and bind axons and blood vessels to each other. 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? Aim: The Combining Mechanisms for Better Outcomes randomized controlled trial assessed the effectiveness of various spinal cord stimulation (SCS) modalities for chronic pain. Expert Answer. c. olfactory information. Which of the following is true about the movement of ions across excitable living membranes? a. adjacent axon segment. 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. What are the properties of myelinated axons which makes them ideal for long-distance motor control of skeletal muscle? C) Sodium gates will open first, then close as potassium gates open. A neuron is a cell that communicates with the brain. A. Discover and discuss the meaning of dendrites, axon, membrane polarization, membrane depolarization, and synapses. What does the central nervous system use to determine the strength of a stimulus? Citation 17 - Citation 21 However, the effect of CH on axonal plasticity within the white matter following ischemic stroke is not known in detail. A patient was admitted for depression. A disorder that damaged oligodendrocytes would be expected to impede neurotransmission. c. Motor neurons. b. medulla A. D) astrocytes, Immediately after an action potential has peaked, which cellular gates open? (a) Fluorescent lightbulbs contain a small amount of mercury, giving a mercury vapor pressure of around 1*10^(-5) atm. Which of the following is not characteristic of neurons? A thirestold potential must be excecded or reached. B) synapse Which of the following is NOT a function or characteristic of neurons? b. the person has a disease that affects myelin around axons. The cell bodies of the upper motor neurons are located in the spinal cord B. 2. a. astrocytes play a role in neurotransmission. 10. Which of the following is an EXCITATORY neurotransmitter secreted by motor neurons innervating skeletal. Which of the following is NOT a characteristic of epithelial tissue? 34. Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? A researcher found that a drug increased heart rate. Saltatory propagation occurs in _________ axons, in which action potentials _________. A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. c. Neuromuscular junction a. cerebral aqueduct. Which of the following would be most likely to increase heart rate? That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. Which of the following is false or incorrect? c. Activation of preganglionic parasympathetic neurons Neurons create extensive communication networks throughout the nervous system. 31) Neurons may be classified according to several characteristics. b. Glossopharyngeal nerve What is a credit line? 62. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. d. that a person has autochromosomal traits. d. Activation of postganglionic parasympathetic neurons, 65. Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. The interior of a neuron is composed of cytoplasm and a gel that is called. 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. a. inhibit the production of neurotrophins. Group of answer choices: Neuroglia refer to neurons with axons coated in myelin. Which of the following is not characteristic of neurons? Image credit: iStockphoto. 1.Introduction. Expert Answer. d. Hypothalamus, 37. A. Central Nervous System 4. c. basal ganglia. A) support and brace neurons As a component of the hyperdirect and indirect pathways, the STN is important for constraining movement, thought, and emotion through synaptic excitation of GABAergic basal ganglia output neurons. 35. c. the person had a past traumatic brain injury. conditions in Russian society that led to the Revolution of 1917. c. medulla b. increased heart rate. What is the role of acetylcholinesterase? What quantity of mercury spills over when heated to 75.0C75.0{\degree} \mathrm{C}75.0C ? Specialized cells in the nervous system that control behavior, senses, and movement are called: a. neurons. 71. d. frontal lobe. 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. Epigenetics Preganglionic neurons are located in the brain stem and sacral segments of the spinal cord. Some axon terminals contain more than one kind of neurotransmitter. Indicate the number of orbitals in the 6p sublevel. Reflexes are rapid, automatic responses to stimuli. 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. c. myelin around axons. c. sleepiness. The latter from the brain to the spinal cord. Cold sores on the skin of the mouth occur when herpes simplex viruses that are dormant in neural ganglia become active and travel to the skin of the mouth. 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? Increased diameter results in increased surface area on the membrane for sodium channels. Which of the following is not a function of the autonomic nervous system? The reticular activating system includes all of the following structures except: a) Myelinated axons transmit nerve impulses via continuous conduction. However, the neuron in question does not transmit an impulse. The frequency of impulse transmission indicates the stimulus intensity and the brain responds appropriately. C. Myelin traps sodium ions in the ax. a. pituitary gland. B) endorphin d. Cingulate cortex. What are the basic divisions of the peripheral nervous system? Which of the following cells are not found in a connective tissue? Neurons are relatively small, simple-structured cells. A) act as a transmitting agent D. axon hillock. Which of the following portions of the neuron transmits neurotransmitters? C) negatively charged and contains more sodium. d. reduce cortical arousal. Study with Quizlet and memorize flashcards containing terms like Which of the following is not characteristic of neurons? b. Gliosis The thalamus routes all types of sensory information except: O They generate very fast O They are long when compared to other cells in the body O They help carry oxygen to different body parts O They do not have a nucleus. Define neurotransmitter. A. excitability B. neurotransmitter production C. high energy needs D. capability of mitosis. When activated, shortens C. Found in the brain and spinal cord. The axon hillock is located: Motor neurons transmit the nerve impulses from CNS to effectors (muscles and glands). C) microglia a. messenger ribonucleic acid. d. The cerebral cortex is found on the surface of the brain. 15. What function is served by the increased axon diameter at the nodes of Ranvier? 15. The membrane potential of the postsynaptic membrane changes. 22. C) the impulse would spread bidirectionally A substance that inhibits the activity of the cerebellum would be expected to: c. enhance the activity of reactive astrocytes. Collections of nerve cell bodies outside the central nervous system are called ________. A) Cells with gap junctions use chemical synapses. d. Neurotransmission from the neuron would increase. a. decrease a neurons's aerobic energy metabolism. b) Myelinated axons transmit nerve impulses in the same manner as unmyelinated axons. A genetic mutation caused by an error in replicating or repairing a gene is called: b. cholinesterase. The hills on the surface of the brain are referred to as: The cell body is the metabolic center of the neuron. D) ATP and other purines b. Neurotrophins a. regenerating axons may be unable to regain previous connections through the site of injury. The person would have impaired movement while the drug's effects were active. Which of the following is not a function of the autonomic nervous system? B) are found on "pathfinder" neurons c. Generate ATP. The landscaping business for the area totaled about$1,340,000 for the year. Specifically, combination therapy (simultaneous use of customized sub-perception field and paresthesia-based SCS) versus monotherapy (paresthesia-based SCS) was evaluated. nerve impulses) Need constant supply of nutrients and oxygen O All of the listed answer choices . 30. The greater the density of spines along dendrites, the greater a neuron's: 5. Discovering that early life stress may cause polymorphisms that increase the risk of c. hippocampus. Use Equation v=v0+atv=v_0+a tv=v0+at to show that the time corresponding to the velocity found in part (a) is t=v0v022ax0at=\frac{-v_0 \pm \sqrt{v_0^2-2 a x_0}}{a}t=av0v022ax0. D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. 2003-2023 Chegg Inc. All rights reserved. A) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. D) spinal cord and spinal nerves, The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. Saltatory conduction is made possible by ________. a. the person had neurons that did not form correctly during neural development. c. decrease anxiety. March 17, 2022. Which of the following is not a special characteristic of neurons? Which of the following lists the components found in a synapse? The concentration of __ is higher inside than outside the cell. 13. 12. c. cause the release of neurotrophins. Damage to the ________________ could cause changes to one's motivation to eat, such as help to circulate the cerebrospinal fluid. STRUCTURAL FUNCTIONAL CHARACTERISTICS OF NERVOUS AND GLIAL CELLS. View the full answer. Serotonin is a biogenic amine neurotransmitter widely distributed in the brain, where it plays a role in emotional behavior and helps to regulate the biological clock. An impulse from one nerve cell is communicated to another nerve cell via the ________. What functional class of neuron carries impulses away from the CNS to muscles or glands? D) erratic transmission of nerve impulses, Which of the following is not a chemical class of neurotransmitters? Select all that apply. Anatomy and Physiology questions and answers. d. The person would have dulled senses for some period of time after taking the substance. analyzes sensory information, stores information, makes decisions. c. somatic nervous system. c. Dendrites and soma What are the different types of motor neurons? Neurons are a type of cell and are part of the nervous system. The cerebral cortex is located in the forebrain. C) They can be called postsynaptic potentials. A . Then, underline the verb in parentheses that agrees with the subject. Which of the following statements is true of both membrane potential responses shown in the graphs? B) amino acid Similar to hormones, NO and CO promote longer-lasting effects by acting through intracellular second-messenger molecules. d. ventral root. True or False, Axon diameter and degree of myelination determine nerve impulse conduction velocity. B) large nerve fibers Which of the followings cells accounts for roughly half of the volume of the nervous system? 46. C. cell body. An experimental drug that reduces the release of chemicals that inhibit axon growth may: d. The blood-brain barrier, 17. depolarized to a. Dendrites and axon Which of the choices below describes the ANS? b. Myelin prevents conduction of electricity from the axon hillock to the axon terminal. The patient has a polymorphism that slow metabolism of a drug. d. motor neuron. 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. it provides a medium for nutrients to cells. A) Ions always move actively across membranes through leakage channels. Tight junctions along blood vessels in the brain are formed by: a. sensory neuron b. interneuron c. motor neuron d. gland e. muscle. d. parasympathetic nervous system. The basal ganglia act to stabilize voluntary movements. D) potassium, Nerve cell adhesion molecules (N-CAMs) ________. a. Pons A drug that increases appetite would likely affect: c. cause imbalance. d. improve recovery from traumatic brain injury. C) frequency of action potentials C) ganglia the afferent division of the nervous system. C) oligodendrocytes d. at the axon terminal. c. interneurons make inhibitory connections with damaged neurons. the somatic nervous system. 23. The p.N370S substitution causes a violation of the enzyme conformation, which affects its stability in the cell. b. efferent neuron. 20. 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? 28. B) Group A fibers are mostly somatic sensory and motor and are the smallest in diameter. Which of the following is a factor that determines the rate of impulse propagation, or conduction velocity, along an axon? D) ligand-gated channel, An impulse from one nerve cell is communicated to another nerve cell via the ________. b. expect to find increased blood flow. A) motor neurons e. guide the migration of young neurons, syna, Which describes the function of dendrites? d. Autonomic Nervous System, 21. 72. Classify Neurons by their Function. Choose the correct order of these events below. A) support and brace neurons High metabolic rate. Schwann cells myelinate PNS axons. C) calcium C. Myelin traps sodium ions in the axon, What does myelin do for neurons? . The sheath of Schwann is also called the ________. Cell body c. Ganglion d. Axon, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? D) biogenic amine, A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. myelinated; move from one node of Ranvier to another. It impacts your spinal cord and the nerves that transmit and receive messages between your brain and the rest of your body. A. Sensory. c. Astrocytes Which of the following is NOT characteristic of nervous tissue in the brain a. What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? 18. 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. d. endothelial cells., 2. What type of motor neuron stimulates skeletal muscle fibers to contract by the excitation contraction mechanism? According to the signal, carried by motor nerves to effector organs, the muscles and glands . What are the different classes of neurons and their functions? C) voltage stimulus to initiate B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. c. Hippocampus c. pons c. The patient has a low level of transcription factors. Neurotransmitter is released from presynaptic neurons through what mechanism? a. Autonomic pathways consist of two types of motor neurons. d. cause a tremor. 5. a. Mitochondria in a neuron would no longer function. d. Inhibited salvation. (c) They have an exceptionally high metabolic rate. b. Medulla A neuron is formed when a receptor ends on another cell becomes active. d. proteins. 73. The term central nervous system refers to the ________.

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