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

What type of channel on the postsynaptic membrane binds neurotransmitter? All of the following describe the functions of astrocytes except: c. occipital lobe. 11. which ofthe following is correct? D) absolute refractory period. sure to include the influence of German philosopher Karl Marx in Expert Answer. b. transcription factors. B. b. Pons Which of the following is NOT a type of circuit? Answer (1 of 3): So a neuron is a specialized cell in the brain with certain characteristics. 1 and Klioutchnikov et al. b. the structure is closer to the midline of the brain. 1. Cells may have long extensions. a) Neurons are specialized to conduct electrical impulses. d. gyri. True or False, Which of the following is not a function of astrocytes? certain disorder would most likely investigate which of the following? 69. b. Interneurons. The comparison demonstrates that the suggested controller closely tracks the reference voltage than the . Generally, these traits are not determined by just one gene, but instead by the cumulative effect . Sensory receptors for touch (and pressure) respond to physical deformation of the receptors, resulting in the opening of specific mechanically gated ion channels. 64. If physicians found that inflammation had caused damage to the blood-brain barrier, which Saltatory propagation occurs in _________ axons, in which action potentials _________. a. Oligodendrocytes Discovering that someone has glial scars means suggests that: When activated, shortens C. Found in the brain and spinal cord. specific or different from others in some way that they do not have. Neurons are a type of cell and are part of the nervous system. Which of the following describes the ANS? E) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability. b. Epigenetics Contains lymphatic vessel. 77. threshold Voltage-gated Na+ 8. 48. b. ANS stimulation of involuntary effectors is always excitatory. (d) All of these are characteristic of neurons. (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. d. Vagus nerve. b. medulla Solved Which of the following is not a characteristic of | Chegg.com c. Transcription factors C) Neurotransmitter receptors are located on the axons terminals of cells. d. Polymorphism, 50. Anatomy and Physiology questions and answers. The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. b. prevent electrical impulses from traveling down axons. innervation of glands. What are the different types of neurons in the ANS and where are they located? likely to occur? Events that occur during synaptic activity are listed here, but they are arranged in an incorrect order. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. Neurons are found across the body but are most numerous in the brain. (a) Fluorescent lightbulbs contain a small amount of mercury, giving a mercury vapor pressure of around 1*10^(-5) atm. B) short distance depolarization Aim: The Combining Mechanisms for Better Outcomes randomized controlled trial assessed the effectiveness of various spinal cord stimulation (SCS) modalities for chronic pain. Name the following: Nervous tissue cells that regulate the chemical environment of neurons. Give a valid explanation of why this could occur. Which cranial nerve receives sensory information from the heart, liver, and intestines? c. The patient has a low level of transcription factors. The resting membrane potential is maintained by Na+-K+ pumps that actively transport __ into and ___ out of the cell. A) sodium C) oligodendrocytes 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&P Ch 9,10,11 Flashcards | Quizlet It is important when reducing any model to first identify these characteristic behaviours. A) support and brace 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 ________. Neurons in the CNS are organized into functional groups. a. midbrain. depression would be an example of: 58. c. M2 Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. a. Multi-polar neurons b. Bipolar neurons c. Uni-polar neurons. d. astrocytes form and maintain the blood-brain barrier. ANSWER : The neurons are included in the somatic body cells but are. Unipolar,Bipolar,Multipolar. 39. Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? the somatic nervous system. C) action potential d. Neurons. 2003-2023 Chegg Inc. All rights reserved. d. Sensory, Which neuron structure receives impulses from the preceding cell? When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. Which pattern of neural processing is important for higher level mental processing such as problem solving? Module 5 Enhancement Question Cabangil 1J-1 FF Which of the following is not true concerning the structural classification of neurons? d. None of these are correct. A patient was admitted for depression. David N. Shier, Jackie L. Butler, Ricki Lewis, Anatomy and Physiology: An Integrative Approach, Michael McKinley, Theresa Bidle, Valerie O'Loughlin, LELCB 1B (28/1) - Collocation review (gap fil. Indicate the number of orbitals in the 6p sublevel. Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. Damage to the hippocampus would likely cause impairments to long-term memory A) the myelin sheath C) opens K+ or Cl- channels The prefrontal cortex is important for working memory function. B) synapse Which nerve cells carry impulses from the brain to the muscles? nervous system. d. temporal lobe. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. B) afferent neuron 8. A second nerve impulse cannot be generated until ________. b. Glossopharyngeal nerve b. Constricted airways D) They can be called postsynaptic potentials. According to the signal, carried by motor nerves to effector organs, the muscles and glands . The GBA gene encodes the lysosomal enzyme glucocerebrosidase (GCase). A) acetycholine b. Neurotransmitters E) nucleic acid. b. thalamus. Which of the following is not characteristic of - Course Hero The person may have an increase in heart rate. Neurons can function optimally for over 100 years. D) They are mitotic. B) dendrite a. reference memory. What are the exact characteristics of neurons? - Quora 24, 25 There were 255 and 319 . glia b.) STRUCTURAL FUNCTIONAL CHARACTERISTICS OF NERVOUS AND GLIAL CELLS. D) spinal cord and spinal nerves, The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. A) the membrane potential has been reestablished 71. 42. Characteristics and function of neurons. The correct answer is (d) All of these are characteristic of neurons. 41. a. parietal lobe. What mechanism is responsible for axonal transport? A genetic mutation caused by an error in replicating or repairing a gene is called: a) The preganglionic neuron (sometimes called the ganglionic neuron), is the first motor neuron. A) senses changes in the environment What do ANS neurons regulate with regard to mechanical digestion? b. reduce the activity of postganglionic sympathetic neurons. c. nucleus accumbens. Do not divide - (neural stem cells are an exception) 3. 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. A. they produce neurotransmitters B. they lack neurotransmitter receptors C. they receive communication from other neurons D. they slow down the action potential. They are electrically excitable cells which generate action potentials. 3. a. Autonomic pathways consist of two types of motor neurons. Central nervous system - Supporting function to neurons and their The importance of a stimulus is derived from the number of stimuli received from the same source. Solved Which of the following is NOT a characteristic of - Chegg Which of the following is an EXCITATORY neurotransmitter secreted by motor neurons innervating skeletal. The interior of a neuron is composed of cytoplasm and a gel that is called. Name the parts that comprise the elbow joint. The contractions of skeletal muscles pull on tendons and move bones of the skeleton. c. sleepiness. Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. What are the different classes of neurons and their functions? having a low appetite. C) association neuron C) opening of voltage-regulated channels a. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. From a historical standpoint, no other cell type has attracted as much attention or caused as much controversy as the nerve cell. Which of the following is a factor that determines the rate of impulse propagation, or conduction velocity, along an axon? Why does injection of a local anesthetic into a finger still cause a loss of the sensation of touch from the finger? Hepatocytes and neurons express low baseline CB1R and CB2R, respectively, and their cell-type-specific functions are not well defined. 20. c. cause imbalance. Which of the following cells are not found in a connective tissue? a. 45. _____________ is a process for responding to brain injury. A neuron consists of a nucleus, a region of tissue that contains the cell body. Overview of neuron structure and function - Khan Academy Substratum preferences of motor and sensory neurons in postnatal and a. periaqueductal gray. ________ is a disease that gradually destroys the myelin sheaths of neurons in the CNS, particularly in young adults. a. c. pons. d. Sensory efferent neurons po. b. Sensory afferent neurons possess long dendrites and short axons. a. alertness. A. Group of answer choices: Neuroglia refer to neurons with axons coated in myelin. D) control the chemical environment around neurons 30. A) axon B) dendrite C) neurolemma DI) Schwann cell. A) peripheral and spinal nerves a. anchor neurons to blood vessels. C) calcium a. increase the activity of reactive astrocytes. 2. d. Neurotransmission from the neuron would increase. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. 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 is false or incorrect? Some ions are prevented from moving down their concentration gradients by ATP-driven pumps. What is the function of dendrites in a neuron? Saltatory conduction is made possible by ________. d. M1. Which of the following describes the nervous system integrative function? D) A single type of channel will open, permitting simultaneous flow of sodium and potassium. View the full answer. b. basal ganglia synapses. Which of the following is not characteristic of neurons a The part of a neuron that sends neurotransmitters into a synapse is called a(n): 6. Polygenic inheritance is the inheritance of traits that are influenced by multiple genes. (a) microglia (b) oligodendrocytes (c) ependymal cells (d) astrocytes. spindle fibres to divide the cell. a) Myelin insulates neurons, keeping them at a high enough temperature to function well. As you start working out, you notice that your heart rate and breathing rate start to increase. Which of the following would be most likely to increase heart rate? c. olfactory information. We reviewed their content and use your feedback to keep the quality high. B) The release of neurotransmitter molecules gives cells the property of being electrically coupled. Which Of The Following Is Not Characteristic Of Neurons d. acetylcholine. b) Myelin prevents conduction of electricity from the axon hillock to the axon terminal. Oligodendrocytes form: This area is also known as the soma or perikaryon. B) type of stimulus receptor a. Which of the Following Is Not a Characteristic of Neurons d. support and brace neurons. [25] designed a voltage output feedback controller, which uses the neural network feed-forward (NNFF) with the harmony search algorithm (HSA) to control the PEMFC output voltage. Which of the following is not true of graded potentials? Neurons that lie between sensory neurons and motor neurons are called ________. Classify Neurons by their Function. a. extrapyramidal motor system. B) amplitude of various sizes The thalamus routes all types of sensory information except: ependymal cells____ help to circulate the cerebrospinal fluid: which of the following is an excitatory nerotransmitter secreted by motor neurons innervating skeletal muscles? What functional class of neuron carries impulses away from the CNS to muscles or glands? We used embryonic stem cell-derived (H9) human neuronal stem cells . Name two amino acid neurotransmitters, two catecholamines, and two peptides. High metabolic rate. 1. D) effector, What is the role of acetylcholinesterase? What distinguishes nerve cells and other excitable membranes (e.g., muscle cells) is that they are capable of changing their resting potential. a. pituitary gland. a. forebrain. d. The patient is at risk of a Mendelian disease. Which of the following describes the excitatory postsynaptic potential? Describe the structure of neurons 2. A. Many drugs that produce highly enjoyable effects likely do so by affecting the: c. Extrapyramidal System 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. Which of the following is NOT a characteristic of neurons? The neuronal membrane. Which of the following is NOT characteristic of nervous tissue in the brain a. 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? This results in increased speed of impulse propagation. Motor. b. it provides a medium for nutrients to cells. C) negatively charged and contains more sodium What are the functional classifications of neurons? c. The output (. 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. 18. a. c. the person had a past traumatic brain injury. Which of the following is not a characteristic of neurons? If a physician identified her patient as a low drug metabolizer, which of the following is most Stimulation of initial axon segment Nerve cell adhesion molecules (N-CAMs) ________. Chapter 2: The Nervous System Flashcards | Quizlet Which of the following mechanisms is most significant in returning Na+ and K+ concentrations to resting ionic conditions (from point D to point E)? The Quadratic Formula from Kinematics In this problem we show how the kinematic equations of motion can be used to derive the quadratic formula. Which of the following membrane regions would have significant numbers of voltage-gated ion channels? The cerebral cortex has features called gyri and sulci. The greater the density of spines along dendrites, the greater a neuron's: 5. b. . b. Broca's Aphasia. d. frontal lobe. Which of the following would NOT be an example of having an activated sympathetic 35. a. visual information. However, the electrical impulses cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. a. Sensory neurons. We studied the biochemical characteristics of dopaminergic (DA) neurons generated from induced pluripotent stem cells (iPSCs) from a PD . A disorder that damaged oligodendrocytes would be expected to impede neurotransmission. The patient has a polymorphism that slow metabolism of a drug. Which of the following is NOT characteristic of the sympathetic Which of the following is not a function of astrocytes? The human body is made of about 100 billion neurons. c. Motor efferent neurons possess long dendrites and short axons. B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. c. the thalamus. Estimate the mass of Hg vapor present in the type of long, thin fluorescent tubes used in offices. All preganglionic neurons in the ANS are cholinergic. A) Sensory neuron B) Motor neuron C) Interneuron D) All of the above. conditions in Russian society that led to the Revolution of 1917. In the presence of invading microbes, microglial cells become macrophages to phagocytize the microbes and neuronal debris. d. that a person has autochromosomal traits. a. True or False, Some neurotransmitters can be either excitatory or inhibitory depending upon the receptor. A chemical messenger that does not directly cause ESPSs or IPSPs but does affect the strength of synaptic transmission is a ________. Which is not characteristic of neurons a high mitotic - Course Hero d. act as transcription factors. Specifically, combination therapy (simultaneous use of customized sub-perception field and paresthesia-based SCS) versus monotherapy (paresthesia-based SCS) was evaluated. D) innervation of skeletal muscle, Collections of nerve cell bodies outside the central nervous system are called ________. Which of the following are afferent neurons, relative to the central nervous system? 40. c. striations present are due to the orderly arrangement of actin and myosin. What is the role of microglial cells and why are they so important in the CNS? Fill in the blank. A) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. 12. b. control the chemical environment around neurons. Which of the following is not a function of the autonomic nervous system? b. Neurons differ in their morphology and function. A) They conduct impulses. Classify neurons according to their structure. 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. b. the blood-brain barrier b. astrocytes respond to injury. Responsiveness of C Neurons in Rat Dorsal Root Ganglion to 5 c. basal ganglia. B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. A substance that inhibits the activity of the cerebellum would be expected to: A) Group C fibers are not capable of saltatory conduction. Expert Answer. If an experimental drug produced physiological effects similar to nitric oxide, then a Even though someone is diagnosed with MS, the axons are not damaged. a. Activation of preganglionic sympathetic neurons An inhibitory postsynaptic potential (IPSP) is associated with ________. a. the thin filaments of smooth muscle fibers are attached to dense bodies. The substance released at axon terminals to propagate a nervous impulse is called a (n) ________. If the electrode is removed, a potential of zero is recorded again. The midbrain contains the: a. the person had neurons that did not form correctly during neural development. C) Sodium gates will open first, then close as potassium gates open. b. inhibit axon growth. 23. a. sodium b. chloride c. calcium d. potassium, A neuron that has as its primary function the job of connecting other neurons is call a(n) _____. Learn about the neuron diagram, structure, and function. (a) Cell body (b) Dendrites (c) Axon (d) All of the above are structural features of a neuron. a. Neurons communicate with other neurons in the central nervous system. Which cells in the brain remove normal cellular waste? True or False, If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and destroy them. c. lead to foreign substances entering the brain from the circulatory system. Motor neurons transmit the nerve impulses from CNS to effectors (muscles and glands). For skeletal muscle cells to contract, they must be excited by motor neurons. In the discussion section the authors wrote "In this study, we observed that different paradigms of tES application could ameliorate motor function impairments in ICH induced by collagenase administration into the striatum of rats.". A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. A) cell body C) Sodium gates in the membrane can open in response to electrical potential changes. 1. A. The autonomic nervous has control centers in the: D) They have an exceptionally high metabolic rate. D) potassium, Nerve cell adhesion molecules (N-CAMs) ________. What is a credit line? 2. e. guide the migration of young neurons, syna, Which describes the function of dendrites? True or False, A stimulus traveling toward a synapse appears to open calcium ion channels at the presynaptic end, which in turn promotes fusion of synaptic vesicles to the axonal membrane. 68. 13. What effect might a disease that destroyed oligodendrocytes have on neuronal function? A) ion 51. a. Oligodendrocytes ________ potentials are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized. the sympathetic division of the autonomic nervous system. c. Ganglia 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. c) Myelin traps sodium ions on the axon an. c. reduced oxygen delivery to cells. b. Sensory afferent neurons possess long dendrites and short axons. Efferent nerve fibers may be described as motor nerve fibers. Neurotransmitters are chemical signals used as a means of communication. A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. b. procedural memory. b. Axon and soma Enkephalins and endorphins are peptides that act like morphine. Which of the following is not a special characteristic of neurons? Neuroglia perform supportive functions in the brain. What is the role of acetylcholinesterase? B. your answer. Which component has a role in the postsynaptic cell during synaptic activity? C) neurotransmitter B) chloride c. reticular formation. 59. Which of the following statements is incorrect? b. cause inattention. D) astrocytes, Immediately after an action potential has peaked, which cellular gates open? d. The person would have dulled senses for some period of time after taking the substance. C) frequency of action potentials 15. Cell body c. Ganglion d. Axon, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? These gases are neurotransmitters that act indirectly. destroy ACh a brief period after its release by the axon endings. 34. b) The preganglionic neuron (sometimes called the ganglionic neuron), is the second motor neuron. D. axon hillock. b. Myelin prevents conduction of electricity from the axon hillock to the axon terminal. Select the correct statement regarding synapses. A drug that inhibited the reticular activating system would most likely cause: Preganglionic neurons are located in the brain stem and sacral segments of the spinal cord. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. b. Medulla myelinated; move from one node of Ranvier to another. A. Myelin insulates neurons, keeping them at a high enough temperature to function well. Structural Functional Characteristics of Nervous and Glial Cells
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