which of the following is not characteristic of neurons?

The thalamus routes all types of sensory information except: 1. D) tracts, The term central nervous system refers to the ________. The latter from the brain to the spinal cord. Visual disturbances, paralysis, and weakness, Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Elliot Aronson, Robin M. Akert, Timothy D. Wilson. c. the person had a past traumatic brain injury. b. sulci. 75. A. Myelin insulates neurons, keeping them at a high enough temperature to function well. True or False, Unipolar neurons have axons structurally divided into peripheral and central processes. 33. 1.Sensory. The sheath of Schwann is also called the ________. The function of neurons is to communicate information from one part of the body to other parts. A genetic mutation caused by an error in replicating or repairing a gene is called: d. astrocytes. Integrate. Study with Quizlet and memorize flashcards containing terms like Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are _____., Which of the following is not a function of the autonomic nervous system? The membrane potential of the postsynaptic membrane changes. ce3z/(4zi)3dz. 35. B. axon. The prefrontal cortex is important for working memory function. c. medulla. Briefly describe 6 effects this division has on the body. What structural classification describes this neuron? a. D) found in the retina of the eye, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? Some axon terminals contain more than one kind of neurotransmitter. Image credit: iStockphoto. _____________ is a process for responding to brain injury. Events that occur during synaptic activity are listed here, but they are arranged in an incorrect order. Why? d. The blood-brain barrier, 17. 26. (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? . Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials? b. inhibit axon growth. There are three types of neurons. a. Both excitatory and inhibitory potentials impinge on neurons. (organalle) inside them, which is necessary to formation of mitotic. a. pituitary gland. d. Vagus nerve. Download Citation | Crosstalk between m6A mRNAs and m6A circRNAs and the time-specific biogenesis of m6A circRNAs after OGD/R in primary neurons | Cerebral ischaemiareperfusion injury is an . e. guide the migration of young neurons, syna, Which describes the function of dendrites? a. parietal lobe. b. ANS stimulation of involuntary effectors is always excitatory. c. pons. Responding to brain injury is an important function of astrocytes. Which of the following is NOT a characteristic of the parasympathetic division? 80. Which cell causes endothelial cells to fit closely together? Which of the following stimuli caused the reaction in the graph on the left? b. cingulate cortex. In terms of function, scientists classify neurons into three broad types: sensory . 44. 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? A neuron consists of a nucleus, a region of tissue that contains the cell body. True or False, If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and destroy them. 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. Which of the following is true about the movement of ions across excitable living membranes? b. ventricles. B) large nerve fibers The person would have impaired decision making while the drug's effects were active. Efferent neurons are ___ neurons carrying impulses to the muscles. Expert Answer. B) anchor neurons to blood vessels a. Activation of preganglionic sympathetic neurons Differentiate the actions and chemical messengers in the endocrine system from those in the nervous system. conditions in Russian society that led to the Revolution of 1917. B) dendrite Multiple sclerosis (MS) is a disease in which the myelin sheaths are destroyed. b. on the soma. The interior is ________. The person may have constricted pupils. a. other neurons b. muscles c. glands d. all of the above, All of the following are characteristics of sympathetic preganglionic neurons EXCEPT: a. 78. likely acting upon? a. Neurons communicate with other neurons in the central nervous system. c. medulla Which nerve cells carry impulses from the brain to the muscles? d. Sensory efferent neurons po. Then, underline the verb in parentheses that agrees with the subject. b. Neurons would be unable to form the blood-brain barrier. Which of the following is not a characteristic of ion channels? The cells communicate by sending signals between different parts of the brain, and the neurons can interface with gray matter nuclei. As you start working out, you notice that your heart rate and breathing rate start to increase. The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. Neuroglia perform supportive functions in the brain. Traub et al. D. Skeletal muscles supports the weight of some internal organs. Which of the following is not a structural feature of a neuron? b. hypothalamus c. It is avascular. Growing numbers of sodium channels appear spontaneously in the demyelinated fibers so that conduction resumes, even if slower. c. a ventricle. a. Doral root Reflexes are rapid, automatic responses to stimuli. A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. High mitotic rate B. Stimulation of initial axon segment The landscaping business for the area totaled about$1,340,000 for the year. Transcribed image text: Which of the following is not a characteristic of neurons? 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. a. A) ion b. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. Group of answer choices: Neuroglia refer to neurons with axons coated in myelin. Neurotransmitter is released from presynaptic neurons through what mechanism? a) anchor neurons to blood vessels b) control the chemical environment around neurons c) Provide the defense for the CNS d) support and brace neurons e) guide the migration of young neurons, synapse. D) They have an exceptionally high metabolic rate. What do ANS neurons regulate with regard to mechanical digestion? 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. Group C fibers are not capable of saltatory conduction. The CNS contains about 100 billion neurons, on the periphery - about 25 million.<br><br>The neuron is covered by a membrane that forms a closed space . This may account for the cycles of relapse and remission in different patients. A. astrocytes B. ependymal cells C. microglia D. Schwann cells, Which of the following options is correct? B) the Na ions have been pumped back into the cell d. increased protection of the brain. a) Myelin insulates neurons, keeping them at a high enough temperature to function well. A) motor neurons b. forebrain. B) amino acid 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 ________. What quantity of mercury spills over when heated to 75.0C75.0{\degree} \mathrm{C}75.0C ? D) ATP and other purines Are most pedagogues more interested in automation or orthography? Therefore, the axon can release one or more neurotransmitters simultaneously, creating singular or multiple events. a. Multi-polar neurons b. Bipolar neurons c. Uni-polar neurons. Which of the following is not true of graded potentials? Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system (CNS) coined by inflammation and neurodegeneration. B. b. dorsal horn C) opening of voltage-regulated channels What portion of the neuron receives signals from other neurons? c. Ganglia a. Dendrites and axon C) diphasic impulses The actual cause of the neurodegenerative component of the disease is however unclear. channels open Influx of Na+ AP regenerated in 20. d. touch information. 36. Which of the following is correct? A single type of channel will open, permitting simultaneous flow of sodium and potassium. Do not divide - (neural stem cells are an exception) 3. 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? b. According to the humidity characteristics of PEMFC, Vinu et al. A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. a. alertness. a. True or False, Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. D) effector, What is the role of acetylcholinesterase? ANSWER : The neurons are included in the somatic body cells but are. d. increase the density of dendritic spines. What two physiological characteristics are highly developed in the neurons? If physicians found that inflammation had caused damage to the blood-brain barrier, which D) astrocytes, Immediately after an action potential has peaked, which cellular gates open? True or False, The action potential is caused by permeability changes in the plasma membrane. c. Autonomic Nervous System Classify Neurons by 3 Structures. 29. a. Axons b. Neurons c. Neuroglia d. Synapses e. Type A fibers, Which of the following parts of a neuron contain excitable membranes? a. Autonomic pathways consist of two types of motor neurons. Which of the following is not characteristic of neurons? 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. It impacts your spinal cord and the nerves that transmit and receive messages between your brain and the rest of your body. a. Pupil dilation nervous system? d. medulla. That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. Classify neurons according to their function. What is the function of dendrites in a neuron? 8. B) called neuroglial cells C. Skeletal muscles are responsible for the pumping action of the heart. 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? These K+ ions decrease the positive ion concentration momentarily below the normal -70mV and thus hyperpolarize the cell. They control, in this way, from the movement of an arm, thoughts and even feelings through electrical signals that are called nerve impulses. Just what does pass from the neurons to the muscle c. Neurons are specialized cells that can do which of the following that most other cells cannot do? a. efferent neuron b. afferent neuron c. association neuron d. glial cell, Which of the following is not characteristic of neurons? Discover and discuss the meaning of dendrites, axon, membrane polarization, membrane depolarization, and synapses. response? 77. What market share did Mountainside have? Which of the following plays an integral role in saltatory conduction? innervation of skeletal muscle. c. neurons. If a neuroscientist stated that a brain structure had efferent neurons, what can be concluded? B) brain, spinal cord, and peripheral nerves A neuron is a cell that communicates with the brain. c. Myelin traps sodium ions in the axon and, What does myelin do for neurons? d. Cingulate cortex. The former make connections from the spinal cord to the muscles. Which of the following statements is incorrect? 27. c. genes. Transcription factors increase or decrease gene transcription. b. sympathetic nervous system. The Quadratic Formula from Kinematics In this problem we show how the kinematic equations of motion can be used to derive the quadratic formula. B) analyzes sensory information, stores information, makes decisions b. Somatic Nervous System Damage to the ________________ could cause changes to one's motivation to eat, such as Which of the following is NOT a characteristic of neurons? Cells may have long extensions. a) Neurons are specialized to conduct electrical impulses. Cerebrospinal is located in the following structures except: Write a paragraph describing the View the full answer. d. at the axon terminal. Because all action potentials are alike, how does the brain separate situations that require immediate attention from ordinary "positional" reports? d. act as transcription factors. d. tremor. Which of the following statements regarding nervous tissue is not true? I was doing so well." motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. d. Neurotrophins. 8. c. Myasthenia Gravis. d. pineal gland. ce3z/(4zi)3dz_ce^{3z}/(4z-i)^3dz B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. 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. When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. The autonomic has two divisions: the sympathetic and parasympathetic. A) They increase amplitude as they move away from the stimulus point. 59. Specialized cells in the nervous system that control behavior, senses, and movement are. d. improve recovery from traumatic brain injury. A chemical messenger that does not directly cause ESPSs or IPSPs but does affect the strength of synaptic transmission is a ________. For skeletal muscle cells to contract, they must be excited by motor neurons. Many drugs that produce highly enjoyable effects likely do so by affecting the: In your opinion, is "A Christmas Memory" merely a vivid portrayal of a memory, or does it also convey a theme, or message? A) peripheral and spinal nerves 72. A drug that inhibited the reticular activating system would most likely cause: The axon c. The dendrites d. The Nissl bodies. They propel cellular components along microtubules. C) Group B fibers are highly myelinated and have the highest conduction velocities. The cell bodies of the upper motor neurons are located in the spinal cord B. 4. What are the basic divisions of the peripheral nervous system? a. norepinephrine. D) moves membrane potential away from threshold. threshold Voltage-gated Na+ All of the following describe functions for cerebrospinal fluid except: b. polymorphism. The contractions of skeletal muscles pull on tendons and move bones of the skeleton. 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? Which type of neurons are used to convey the special senses of sight? Strong stimuli cause the amplitude of action potentials generated to increase. Upper motor neurons are classified according to the pathways they travel in C. The Babinski response is not characteristic of paralysis from UMN lesions - Neurons have one or more long, slender projections called dendrites, which receive electrical impulses from other neurons. Name the two other neuron types which are cholinergic. 49. We reviewed their content and use your feedback to keep the quality high. a. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. D) Ions always move from an area of higher concentration to an area of lower concentration, A second nerve impulse cannot be generated until ________. c. The patient has a low level of transcription factors. 64. : Question 35 1.5 pts Which of the following is not a special characteristic/property of neurons? If a physician identified her patient as a low drug metabolizer, which of the following is most Oligodendrocytes form and maintain the blood-brain barrier. Although neurologic recovery is complete, amnesia for the event persists. Multiple Choice. After peripheral nerve injuries, damaged axons can regenerate but functional recovery is limited by the specific reinnervation of targets. cells would most likely be responsible? The majority of these axonal knobs are shown to be "firing." b. cholinesterase. b. cerebellum. C) Neurotransmitter receptors are located on the axons terminals of cells. The nervous system most dominant while relaxing is the: The human body is made of about 100 billion neurons. b. it provides a medium for nutrients to cells. Saltatory conduction is made possible by ________. Which neurons belong to the efferent pathway? a. Oligodendrocytes What symptoms would a nurse focus on in his or her care of a patient with multiple sclerosis? A) postsynaptic potential Which of the following is not a function of the autonomic nervous system? c) Myelin traps sodium ions on the axon an. d. astrocytes form and maintain the blood-brain barrier. Tell why you think so. What are the properties of myelinated axons which makes them ideal for long-distance motor control of skeletal muscle? C) biogenic amine Which cells in the brain remove normal cellular waste? Which of the following is NOT a characteristic of epithelial tissue? b. M3 In this issue, Zhao et al. When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. C) Sodium gates will open first, then close as potassium gates open. C) association neuron Required fields are marked. a. neuromuscular junction. a. visual information. 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. b. Myelin prevents conduction of electricity from the axon hillock to the axon terminal. 19. c. meninges. The correct answer is (d) All of these are characteristic of neurons. Neurons are responsible for transmitting signals throughout the body, a process that allows us to move and exist in the world around us. Our experts can answer your tough homework and study questions. The synaptic cleft b. D) The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. a. reference memory. B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte. D) innervation of skeletal muscle, Collections of nerve cell bodies outside the central nervous system are called ________. B) synapse a. forebrain. Select the correct statement about serial processing. 63. Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue (s). 66. Which of the following is not a function of astrocytes? During depolarization, the inside of the neuron's membrane becomes less negative. B) repolarization C) oligodendrocytes C) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability Why does injection of a local anesthetic into a finger still cause a loss of the sensation of touch from the finger? 47. a. astrocytes play a role in neurotransmission. b) Neurological cells protect and support neurons. group cfibers are not capable of salatory conduction. If a loud noise made you jump, which structure was most likely responsible for this A thirestold potential must be excecded or reached. Sympathetic nervous system neurons contact muscle tissue at neuromuscular junctions. Both responses are examples of graded potentials. Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. While taking notes in class, a student had keep in mind what the professor had just stated in 68. C) brain and spinal cord The part of a neuron that conducts impulses away from its cell body is called a(n) ________. These gases are neurotransmitters that act indirectly. b. thalamus. b. cerebellum. d. proteins. D) They are short-lived. Generally, these traits are not determined by just one gene, but instead by the cumulative effect . C) leakage channel a. Somatic Nervous System Cell body c. Ganglion d. Axon, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? innervation of glands. If an experimental drug produced physiological effects similar to nitric oxide, then a Potentials that are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized are called ________ potentials. Indicate the number of orbitals in the 6p sublevel. Damage to the hippocampus would likely cause impairments to long-term memory likely true? What are the possible responses? C) opens K+ or Cl- channels During depolarization, the inside of the neuron's membrane becomes less negative. Strong stimuli cause the amplitude of action potentials generated to increase. When excited electrically, the Hg atoms emit UV light, which excites the phosphor coating of the inner tube, which then emits visible (white) light. Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? A. 73. An impulse from one nerve cell is communicated to another nerve cell via the ________. a. increase the activity of reactive astrocytes. What are the cells that transmit nerve impulses between parts of the nervous system? b. reduce the activity of postganglionic sympathetic neurons. b. thalamus. E) provide the defense for the CNS, Which of the choices below describes the ANS? B) hyperpolarization The characteristics that vary on a continuum among people, such as height, skin color, or intelligence, are most likely determined by polygenic inheritance. b. Pons your answer. c) Neurons are the most abundant type of cell in nervous tissue. a. anchor neurons to blood vessels. It stores energy reserves. D) nitric oxide, Which of the following describes the excitatory postsynaptic potential? inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. A person suffering from an inability to speak the word she intends to say, sometimes Neurons are located both in the CNS and on the periphery. hippocampus, which of the following would most likely be the result? In two words, the functions of neuron tissue that we can specify is that the integration, and communication are the main function of this specialized tissue. d. cerebral blood vessels. Functions. 13. copyright 2003-2023 Homework.Study.com. b. cerebrospinal fluid. Some neuroglia remove debris and foreign material from the nervous system. A) resting period D) They can be called postsynaptic potentials. a. sensory neuron b. interneuron c. motor neuron d. gland e. muscle. B) muscle contraction would occur. a. cerebellar ataxia. Characteristics of the Neuron. The axon hillock is located: The GBA gene encodes the lysosomal enzyme glucocerebrosidase (GCase). c. The person would later be unable to recall events that took place for some period of time after d. ventral root. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. d. acetylcholine. b. Microglial cells True or False, The nodes of Ranvier are found only on myelinated, peripheral neuron processes. C) proteins have been resynthesized All of the following describe the functions of astrocytes except: negatively charged and contains less sodium. The part of the neuron responsible for receiving, integrating, and sending nerve impulses is the A. dendrite. C) neurotransmitter c. reduced oxygen delivery to cells. 2. Contains cells with macrophage activity c. Exhibits regenerative capacities d. Contains lymphatic vessel. What distinguishes nerve cells and other excitable membranes (e.g., muscle cells) is that they are capable of changing their resting potential. Which of the following is not characteristic of neurons. a. D) A single type of channel will open, permitting simultaneous flow of sodium and potassium. C) action potential However, the resting membrane potential in three types of neurons was not significantly different in the present study; therefore the 5-HT . 32. 4. 1. The principles outlined above can be applied to the neuron and its ionic contents.. What does myelin do for neurons? c. ventricles. b. Neurotransmitters 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). Neurons can function optimally for over 100 years. C. cell body. d. They are the same as any other cells. a. temporal lobe. which ofthe following is correct?

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