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

________ is a disease that gradually destroys the myelin sheaths of neurons in the CNS, particularly in young adults. Growing numbers of sodium channels appear spontaneously in the demyelinated fibers so that conduction resumes, even if slower. b. Gliosis c. The cerebral cortex includes the cerebellum. The parts of neurons that receive information from other neurons are called: 4. d. act as transcription factors. Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? What type of neuron connects sensory and motor neurons in neural pathways? D) are crucial for the development of neural connections, An inhibitory postsynaptic potential (IPSP) is associated with ________. A) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. Which of the following statements most accurately describes the effects caused by binding of the neurotransmitter (green dots) to the structure labeled C? Biochemical Characteristics of iPSC-Derived Dopaminergic Neurons from Which of the choices below describes the ANS? C) Neurotransmitter receptors are located on the axons terminals of cells. B) repolarization a. ribosomes. Damage to the hypothalamus may alter someone's motivation to eat. 77. The person may have an increase in heart rate. Which of the following statements is true of both membrane potential responses shown in the graphs? a. medulla. c. the person had a past traumatic brain injury. Solved Which of the following is not characteristic of - Chegg 62. 69. d. cerebral blood vessels. A drug that reduces the activity of the amygdala would likely: The greater the density of spines along dendrites, the greater a neuron's: 5. 79. [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. The majority of these axonal knobs are shown to be "firing." Treatment of pain with local anesthetics leads to an unfavorable decrease in general sensory acuity due to their indiscriminate block of both pain sensing . They control, in this way, from the movement of an arm, thoughts and even feelings through electrical signals that are called nerve impulses. 1. Which of the following portions of the neuron transmits neurotransmitters? c. Astrocytes Which of the following is not a function of the autonomic nervous system? The frequency of impulse transmission indicates the stimulus intensity and the brain responds appropriately. An anesthetic protocol allowing electrophysiological singleunit recordings from inhibitory, presumably GABAergic PC interneurons in vivo is developed and may be useful for evaluation of PC neurons in kindled rats. b. they prevent axons from re-growing. Longevity 2. d. M1 microglial cells. Extracellular singleunit recordings of piriform cortex neurons in rats A) They conduct impulses. 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 is not a characteristic of neurons? D. Skeletal muscles supports the weight of some internal organs. The autonomic has two divisions: the sympathetic and parasympathetic. 1.Sensory. There are two basic neuron-containing systems: the central nervous system (CNS), which includes the spinal cord and brain, and the peripheral nervous system (PNS), which includes all other nerve tissues. Chapter 16 Autonomic Nervous System Flashcards - Easy Notecards All other trademarks and copyrights are the property of their respective owners. c. nucleus accumbens. c. The output (. A toxin that destroyed the presynaptic terminal on an axon would likely: 7. 1. Neurons that carry impulses the central nervous system to the muscles or glands are called neurons or motor neurons. Saltatory propagation occurs in _________ axons, in which action potentials _________. If a neuroscientist stated that a brain structure had efferent neurons, what can be concluded? a. reference memory. Damage to the hippocampus would likely cause impairments to long-term memory The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. having a low appetite. Which of the following is NOT characteristic of smooth muscle? A. they produce neurotransmitters B. they lack neurotransmitter receptors C. they receive communication from other neurons D. they slow down the action potential. 31. Motor afferent neurons possess long dendrites and short axons. b. the blood-brain barrier 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. d. Extrapyramidal System. Which of the following is not a function of the autonomic nervous system? Sensory Neurons Motor Neurons Inter-Neurons The synapse more common in embryonic nervous tissue than in adults is the ________. Which of the following is not a function of the autonomic nervous system? D) size of action potentials, Bipolar neurons are commonly ________. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. c. cause the release of neurotrophins. 45. A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. A) ependymal cells When activated, shortens C. Found in the brain and spinal cord. C) diphasic impulses What symptoms would a nurse focus on in his or her care of a patient with multiple sclerosis? High metabolic rate C. Require continuous supplies of glucose and oxygen D. Extreme longevity E. No exceptions; all of these are characteristic of neurons. Crosstalk between m6A mRNAs and m6A circRNAs and the time-specific Required fields are marked. A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. d. Sensory, Which neuron structure receives impulses from the preceding cell? B) type of stimulus receptor c. sleepiness. Why does injection of a local anesthetic into a finger still cause a loss of the sensation of touch from the finger? Which of the following is not a characteristic of neurons? A) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands Which of the following describes the ANS? a. increase the activity of reactive astrocytes. d. hippocampus. b. cerebellum. These neurons are inhibitory neurons, meaning they release neurotransmitters that keep other neurons from firing. Reflexes are rapid, automatic responses to stimuli. The reticular activating system includes all of the following structures except: destroy ACh a brief period after its release by the axon endings. b. sympathetic nervous system. Myelinated neurons conduct impulses faster than unmyelinated neurons because? c. preganglionic terminals. a. sensory neuron b. interneuron c. motor neuron d. gland e. muscle. Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. O They have extreme longevity. 9. c. reticular formation. a. forebrain. 30. a. the person had neurons that did not form correctly during neural development. a. Autonomic pathways consist of two types of motor neurons. B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. c. reduced oxygen delivery to cells. 33. Both responses are examples of graded potentials. 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. According to the signal, carried by motor nerves to effector organs, the muscles and glands . It impacts your spinal cord and the nerves that transmit and receive messages between your brain and the rest of your body. Neurotransmitter binds to receptors on the postsynaptic cell membrane and allows ions to diffuse across the membrane. View the full answer. B. axon. They secrete acetylcholine. Which nerve cells carry impulses from the brain to the muscles? For skeletal muscle cells to contract, they must be excited by motor neurons. 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. cingulate cortex. A) Group C fibers are not capable of saltatory conduction. Which of the following is not true of graded potentials? The interior of a neuron is composed of cytoplasm and a gel that is called. b. Microglial cells b. Microglial cells When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. Increased diameter results in increased surface area on the membrane for sodium channels. 80. B) amplitude of various sizes d. Polymorphism, 50. Which of the following cells are not found in a connective tissue? 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. c. Oligodendrocytes 100% (3 ratings) Which of the following is NOT a characteristic of neurons? D) They can be called postsynaptic potentials. How can potentially poisonous gases like NO and CO be used by the body? According to the humidity characteristics of PEMFC, Vinu et al. b. M3 Conduct chemo-electrical impulses. likely acting upon? Neurons can function optimally for over 100 years. The substance released at axon terminals to propagate a nervous impulse is called a (n) ________. a. Astrocytes Name the parts that comprise the elbow joint. 56. A chemical messenger that does not directly cause ESPSs or IPSPs but does affect the strength of synaptic transmission is a ________. Begin by sketching the contour. Which of the following is not characteristic of neurons. b. Extrapyramidal side effects produced by antipsychotic drugs are similar to the symptoms of: b. Somatics Different types of neurons include sensory, motor, and interneurons, as well as structurally-based neurons, which include unipolar, multipolar, bipolar, and pseudo-unipolar neurons. Explain why some forms of MS are characterized by periods of remission and exacerbation. a. Sensory neurons. 78. The part of a neuron that conducts impulses away from its cell body is called a(n) ________. Its structure is multipolar. b. the structure is closer to the midline of the brain. Characteristics and function of neurons. a. receives input from sensory neurons b. directs activity of motor neurons that innervate muscles and glands c. contains association neurons within the brain and spinal cord d. conta, Which of the following is not a function of astrocytes? When excited electrically, the Hg atoms emit UV light, which excites the phosphor coating of the inner tube, which then emits visible (white) light. True or False, The action potential is caused by permeability changes in the plasma membrane. 70. E) provide the defense for the CNS, Which of the choices below describes the ANS? Which of the following lists the components found in a synapse? Then, underline the verb in parentheses that agrees with the subject. What are the different types of neurons in the ANS and where are they located? People throughout history (has, have) been fascinated by the moon. Tight junctions along blood vessels in the brain are formed by: Question. B) endorphin c. end terminus. ATP neurotransmitters have what basic effect on the body? c. ventricles. What is the role of acetylcholinesterase? A) cholinesterase What parts of a neuron are completely contained within a ganglion? a. c. synapses. Types of neurons - Queensland Brain Institute They have extreme longevity. c. Electrical impulses would be unable to travel down axons. A second nerve impulse cannot be generated until ________. Glial scars may impair recovery from brain injury because: Which of the following is not a function of neurons? - Toppr Ask A patient is admitted to the hospital with exacerbation of multiple sclerosis (MS). Solved Which of the following is not a characteristic of | Chegg.com c. hippocampus. d. endothelial cells., 2. a. visual information. Answer: Option D is correct Explanation: Neurons generally do not e . (d) All of these are characteristic of neurons. What are the functional classifications of neurons? Diminished release of acetylcholine from preganglionic sympathetic neurons would: b. a Mendelian disease. Discovering that early life stress may cause polymorphisms that increase the risk of innervation of skeletal muscle. All of the following describe the functions of astrocytes except: Which pattern of neural processing is important for higher level mental processing such as problem solving? Select the correct statement regarding synapses. a. messenger ribonucleic acid. The parasympathetic division includes the pelvic nerves. kg 1), . D) spinal cord and spinal nerves, The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. D) Schwann cells, Schwann cells are functionally similar to ________. d . 51. True or False, The autonomic nervous system is under voluntary control; whereas, the somatic nervous system is involuntary. Contains lymphatic vessel. 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. C) frequency of action potentials a. Schwann cells b. satellite cells c. microglia d. astrocytes e. oligodendrocytes f. ependymal cells. Neurons are located both in the CNS and on the periphery. B. B) short distance depolarization It is impossible in a single chapter to delineate comprehensively the extensive structural, topographical and functional variation achieved by this cell type. b. dorsal horn When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. c. midbrain. A) support and brace neurons C) are crucial in the production of neurotransmitters a. Solved Which of the following is NOT true about neuroglia - Chegg B) synapse A. excitability B. neurotransmitter production C. high energy needs D. capability of mitosis. A. Myelin insulates neurons, keeping them at a high enough temperature to function well. Enkephalins and endorphins are peptides that act like morphine. The former make connections from the spinal cord to the muscles. 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. 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 will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? Which of the following is NOT a function or characteristic of neurons? D. axon hillock. They are the fundamental units that send and receive signals which allow us to move our muscles, feel the external world, think, form memories and much more. ___________ are clusters of neuron cell bodies in the sympathetic and parasympathetic b. Neurons require continuous and abundant supplies of oxygen, and cannot survive for more than a few minutes without it. d. parasympathetic nervous system. a) The preganglionic neuron (sometimes called the ganglionic neuron), is the first motor neuron. Ch. 11-12 Flashcards | Quizlet a. temporal lobe. d. The cerebral cortex is found on the surface of the brain. All rights reserved. a. hippocampus Preganglionic neurons are located in the brain stem and sacral segments of the spinal cord. Which of the following is NOT a special characteristic of neurons a Types of neurons: Characteristics and functions - Muy Salud d. increase the density of dendritic spines. What effect might a disease that destroyed oligodendrocytes have on neuronal function? b. auditory information. 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. B) the Na ions have been pumped back into the cell a. Basal ganglia Nervous system - The neuronal membrane | Britannica d. cerebellum. a. reduced cerebrospinal fluid. What are the basic divisions of the peripheral nervous system? A neuron consists of a nucleus, a region of tissue that contains the cell body. Which cell causes endothelial cells to fit closely together? a. Neurogenetics Which of the choices below describes the ANS? 54. D) Ions always move from an area of higher concentration to an area of lower concentration, A second nerve impulse cannot be generated until ________. 8. Polygenic inheritance is the inheritance of traits that are influenced by multiple genes. C) association neuron B) amino acid This area is also known as the soma or perikaryon. d. acetylcholine. a. inhibit the production of neurotrophins. Choose the correct order of these events below. B) afferent neuron A) They increase amplitude as they move away from the stimulus point. cells would most likely be responsible? d. Parkinson's disease. Cell body c. Ganglion d. Axon, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? Neurons synapse with: a. other neurons b. muscles c. glands d. all of these. The cerebral cortex has features called gyri and sulci. D) They have an exceptionally high metabolic rate. What are the different classes of neurons and their functions? d. Hypothalamus, 37. copyright 2003-2023 Homework.Study.com. 41. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. stem c.) muscles d.) osteocytes. The hills on the surface of the brain are referred to as: Ganglia are on or near the target organ. b. polymorphism. D) erratic transmission of nerve impulses, Which of the following is not a chemical class of neurotransmitters? A) senses changes in the environment Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue (s). C) anchor neurons to blood vessels Neurons may be classified according to several characteristics. The oligodendrocytes can myelinate several axons. (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 . Study with Quizlet and memorize flashcards containing terms like 1. a. the structure is below the area. c. provide the defense for the CNS. c. neurons. . The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. 28. 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. A) positively charged and contains less sodium C) leakage channel Which component has a role in the postsynaptic cell during synaptic activity? A genetic mutation caused by an error in replicating or repairing a gene is called: 46. b. increased heart rate. A disorder that damaged oligodendrocytes would be expected to impede neurotransmission. The prefrontal cortex is important for working memory function. 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? Neurons are responsible for transmitting signals throughout the body, a process that allows us to move and exist in the world around us. b. thalamus. 67. Site of mRNA translation for proteins of the axolemma c. Axon fibres are covered by a white sheath called myelin. d . Although neurologic recovery is complete, amnesia for the event persists. What is a credit line? However, the resting membrane potential in three types of neurons was not significantly different in the present study; therefore the 5-HT . a. that a person will have a polymorphism. likely to occur? A gap between Schwann cells in the peripheral system is called a(n) ________. This results in increased speed of impulse propagation. 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. d. implicit memory. 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. b) The preganglionic neuron (sometimes called the ganglionic neuron), is the second motor neuron. Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? 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. muscles throughout the body? d. frontal lobe. Which nervous system was the drug most Describe annual cleanupthat isfrequently present in these agreements. D. Involved in fast-acting body control. A. neuronal fibers; axons B. axons; dendrites C. dendr. Motor afferent neurons possess long dendrites and short axons. B) provide the defense for the CNS Which of the following are afferent neurons, relative to the central nervous system? b. Both excitatory and inhibitory potentials impinge on neurons. 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 ________. The human body is made of about 100 billion neurons. 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. a. extrapyramidal motor system. c. decrease the activity of postganglionic parasympathetic neurons. d. hypothalamus. During depolarization, the inside of the neuron's membrane becomes less negative. As you start working out, you notice that your heart rate and breathing rate start to increase. A. astrocytes B. ependymal cells C. microglia D. Schwann cells, Which of the following options is correct? likely true? Schwann cells are functionally similar to ________. Which of the following is NOT a characteristic of neurons? A) They have Efferent neurons are ___ neurons carrying impulses to the muscles. We used embryonic stem cell-derived (H9) human neuronal stem cells . d. improve recovery from traumatic brain injury. If a person ingested a substance that temporarily impaired the functioning of the c. Transcription factors Name the following: Nervous tissue cells that regulate the chemical environment of neurons. This disease causes gradual muscle stiffness . C) proteins have been resynthesized B) Ions always move passively across membranes. Solved Which of the following is NOT a characteristic of - Chegg Visual disturbances, paralysis, and weakness, Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Elliot Aronson, Robin M. Akert, Timothy D. Wilson. 42. D) potassium, Nerve cell adhesion molecules (N-CAMs) ________. 75. d. Interneurons, 16. 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. Which of the following is not characteristic of neurons? c. pons. When the neurons were damaged, the number of Nissl corpuscles decreased significantly . Motor has two divisions: the somatic and autonomic. Relative to the central nervous system, motor neurons are referred to as afferent neurons. Describe the structure of neurons 2. A) the impulse would move to the axon terminal only A) ependymal cells d. that a person has autochromosomal traits. Hepatocytes and neurons express low baseline CB1R and CB2R, respectively, and their cell-type-specific functions are not well defined. ce3z/(4zi)3dz. 2003-2023 Chegg Inc. All rights reserved. Describe the types of neurons, their structure and their function. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. Group of answer choices: Neuroglia refer to neurons with axons coated in myelin. D) tracts, The term central nervous system refers to the ________. c. decrease anxiety. If an experimental drug produced physiological effects similar to nitric oxide, then a : Question 35 1.5 pts Which of the following is not a special characteristic/property of neurons? 24, 25 There were 255 and 319 . c. Myelin traps sodium ions in the axon and, What does myelin do for neurons? b. The concentration of __ is higher inside than outside the cell. The midbrain contains the: Question. Characteristics of the Neuron - Basic Neurochemistry - NCBI Bookshelf
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