Specifically, combination therapy (simultaneous use of customized sub-perception field and paresthesia-based SCS) versus monotherapy (paresthesia-based SCS) was evaluated. c. medulla 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. Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? b. a Mendelian disease. Neurons in the CNS are organized into functional groups. Reflexes are rapid, automatic responses to stimuli. Neurons are found across the body but are most numerous in the brain. b. Neurotransmitters 8. True or False, The autonomic nervous system is under voluntary control; whereas, the somatic nervous system is involuntary. A patient was admitted for depression. B) nerves This results in increased speed of impulse propagation. How can a single axon respond to several different kinds of events? The former make connections from the spinal cord to the muscles. Characteristics of neurons Flashcards | Quizlet When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. D) A single type of channel will open, permitting simultaneous flow of sodium and potassium. d. act as transcription factors. d. parasympathetic nervous system. Which of the choices below describes the ANS? B) hyperpolarization The plasma membrane of the neuron is semipermeable, being highly permeable to K + and slightly permeable to Cl and Na +.In the extracellular fluid, electroneutrality is preserved by a balance between a high concentration of Na + on the one hand and a high concentration of Cl , as . C. cell body. 3. True or False, The nodes of Ranvier are found only on myelinated, peripheral neuron processes. a. Oligodendrocytes What do neurons synapse with? B) Schwann cells Increased diameter results in increased surface area on the membrane for sodium channels. d. Activation of postganglionic parasympathetic neurons, 65. It is impossible in a single chapter to delineate comprehensively the extensive structural, topographical and functional variation achieved by this cell type. c. Myasthenia Gravis. b. glial cells. B) The release of neurotransmitter molecules gives cells the property of being electrically coupled. Which of the following is NOT a special characteristic of neurons a A) They conduct impulses. 12. d) There, In order for skeletal muscle cells to contract, they must be excited by motor neurons. 72. A. neuronal fibers; axons B. axons; dendrites C. dendr. Combination therapy with simultaneous delivery of spinal cord which ofthe following is correct? b. the person has a disease that affects myelin around axons. It stores energy reserves. glia b.) Glial scars may impair recovery from brain injury because: b. M3 A) innervation of smooth muscle of the digestive tract B) innervation of cardiac muscle C) innervation of skeletal muscle D . a. corpus callosum. C) biogenic amine For skeletal muscle cells to contract, they must be excited by motor neurons. The importance of a stimulus is derived from the number of stimuli received from the same source. B) Ions always move passively across membranes. Unipolar neurons have axons structurally divided into peripheral and central processes, Neurons in the CNS are organized into functional groups, If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and destroy them, The nodes of Ranvier are found only on myelinated, peripheral neuron processes. 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. However, the electrical impulse cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. C. Skeletal muscles are responsible for the pumping action of the heart. c. Extrapyramidal System A) sodium b. Neurons have . B) voltage-gated channel D) sensory and motor neurons that supply the digestive tract, What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? stem c.) muscles d.) osteocytes. response? All rights reserved. A) They conduct impulses. b. that a person is genetically female. Group C fibers are not capable of saltatory conduction. c. epigenetic stimulus. 1. D) ligand-gated channel, An impulse from one nerve cell is communicated to another nerve cell via the ________. (d) All of these are characteristic of neurons. These gases are neurotransmitters that act indirectly. D) size of action potentials, Bipolar neurons are commonly ________. 48. 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? spindle fibres to divide the cell. The pons is activated when someone startles. What are the different classes of neurons and their functions? Enkephalins and endorphins are peptides that act like morphine. d. gyri. Neurons are relatively small, simple-structured cells. Relative to the prefrontal cortex, the neuron would be called a(n): D) tracts, The term central nervous system refers to the ________. c. that a person is genetically male. c. myelin around axons. d. at the axon terminal. Which of the Following Is Not a Characteristic of 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. 23 We detected neurons and extracted temporal components from the calcium imaging data (Figure 2 C) with the CNMF-E toolbox. Extracellular singleunit recordings of piriform cortex neurons in rats c. olfactory information. 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). a. decrease a neurons's aerobic energy metabolism. c. genes. Alzheimer's disease (AD) is a progressive neurodegenerative disorder with an increasing worldwide prevalence. a. Epigenetic markers C) proteins have been resynthesized 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? Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. c. Electrical impulses would be unable to travel down axons. Be In general, neurons cannot be replaced if destroyed. What is the role of calcium in synaptic activity? What are the different types of motor neurons? C) ganglia Which of the following plays an integral role in saltatory conduction? D) They are short-lived. Different types of neurons include sensory, motor, and interneurons, as well as structurally-based neurons, which include unipolar, multipolar, bipolar, and pseudo-unipolar neurons. a. Pons Answer: Option D is correct Explanation: Neurons generally do not e . Which of the following is not a characteristic of neurons? analyzes sensory information, stores information, makes decisions. c. M2 Spiral ganglion neurons (SGNs) play a vital role in conveying complex information from hair cells to the brainstem (Shrestha et al., 2018).As the injury or degeneration of SGNs is particularly devastating to hearing function, thus the repair of SGNs is of great importance in hearing-related biomedical fields (Petitpre et al., 2018; Wei et al., 2021). A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. Chapter 2: The Nervous System Flashcards | Quizlet Learn about the neuron diagram, structure, and function. If a person ingested a substance that temporarily impaired the functioning of the Select the correct statement about serial processing. nervous system. c. cause imbalance. b. the medulla. 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. STRUCTURAL FUNCTIONAL CHARACTERISTICS OF NERVOUS AND GLIAL CELLS. b. control the chemical environment around neurons. They have long fibers from CNS to ganglion. b. thalamus. C) calcium d. acetylcholine. Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. The latter from the brain to the spinal cord. A) act as a transmitting agent Both responses are examples of graded potentials. The autonomic nervous has control centers in the: Neurons are located both in the CNS and on the periphery. B) anchor neurons to blood vessels A) long distance signaling Which of the following is not true concerning the structural classification of neurons? Sensory and motor divisions. C) destroy ACh a brief period after its release by the axon endings Longevity 2. d. endothelial cells., 2. d. pineal gland. b. prevent electrical impulses from traveling down axons. Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. 78. a. messenger ribonucleic acid. The synapse more common in embryonic nervous tissue than in adults is the ________. The interior of a neuron is composed of cytoplasm and a gel that is called. a. basal ganglia b. polymorphism. D) The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. b. 57. These K+ ions decrease the positive ion concentration momentarily below the normal -70mV and thus hyperpolarize the cell. (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. Classify Neurons by 3 Structures. 1. Which of the following is NOT characteristic of nervous tissue in the brain a. a. acetylcholine Strong stimuli cause the amplitude of action potentials generated to increase. A) axon B) type of stimulus receptor B) muscle contraction would occur a. extrapyramidal motor system. Some neuroglia remove debris and foreign material from the nervous system. 40. Which of the following is not true about the cerebral cortex? c. a ventricle. a. c. Epigenetics (c) They have an exceptionally high metabolic rate. It is composed of densely packed cells. Neurons require continuous and abundant supplies of oxygen, and cannot survive for more than a few minutes without it. . According to the humidity characteristics of PEMFC, Vinu et al. The characteristic neurologic picture including loss of consciousness, temporary respiratory arrest, and loss of reflexes. c. Activation of preganglionic parasympathetic neurons 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. a) Myelinated axons transmit nerve impulses via continuous conduction. Which of the following is not a function of astrocytes? A. they produce neurotransmitters B. they lack neurotransmitter receptors C. they receive communication from other neurons D. they slow down the action potential. a) Neurons are specialized to conduct electrical impulses. e. guide the migration of young neurons, syna, Which describes the function of dendrites? d. oligodendrocytes fail to myelinate re-growing axons. nervous system? The cell body is the metabolic center of the neuron. a. Neurons communicate with other neurons in the central nervous system. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. Motor has two divisions: the somatic and autonomic. A) They conduct impulses. C) negatively charged and contains more sodium. a. Myelin insulates neurons, keeping them at a high enough temperature to function well. Which of the following is not characteristic of neurons? 36. d. Neurotransmission from the neuron would increase. Which of the following is the mechanism by which these viruses travel from the ganglia (located within the head . The human body is made of about 100 billion neurons. Neuroglia perform supportive functions in the brain. c. gene duplication. The actual cause of the neurodegenerative component of the disease is however unclear. Neurons can function optimally for over 100 years. C) serotonin What Is a Neuron? Diagrams, Types, Function, and More - Healthline In the case of nerve . 70. Which of the following is NOT a type of circuit? Free Flashcards about ap chap 11 - StudyStack D) the impulse would move to the axon terminal only, and the muscle contraction would occur, Which of the following neurotransmitters inhibits pain and is mimicked by morphine, heroin, and methadone? 26. Our experts can answer your tough homework and study questions. A drug that inhibited the reticular activating system would most likely cause: The interior is ________. d. RNA. c. it increases flow to highly active neurons. alternations to DNA sequences? (a) hardened cells and neurons (b) neurons and supporting cells (c) chondrocytes and neurons (d) neuronocytes and smooth muscle cells. Calcium influx into the synaptic terminal causes vesicle fusion. The majority of these axonal knobs are shown to be "firing." A toxin that destroyed the presynaptic terminal on an axon would likely: 7. capacity of divide via mitosis due to absence of centrosomes. a. reference memory. Therefore, the axon can release one or more neurotransmitters simultaneously, creating singular or multiple events. b. hypothalamus. a. neuromuscular junction. 2. The cerebral cortex has features called gyri and sulci. Which of the following statements most accurately describes the effects caused by binding of the neurotransmitter (green dots) to the structure labeled C? D) Ions always move from an area of higher concentration to an area of lower concentration, A second nerve impulse cannot be generated until ________. Which of the following is not a characteristic of neurons? Which is not characteristic of neurons a high mitotic - Course Hero 11. are crucial for the development of neural connections. 53. ATP neurotransmitters have what basic effect on the body? c. basal ganglia. A&P Ch. 14 Flashcards - Cram.com A&P Ch 9,10,11 Flashcards | Quizlet d. astrocytes. b. medulla b. d. Vagus nerve. Neurons are the cells that make up the brain and the nervous system. Cell body c. Ganglion d. Axon, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? C) anchor neurons to blood vessels Which of the following is not a special characteristic of neurons? B) innervation of cardiac muscle Relative to the central nervous system, motor neurons are referred to as afferent neurons. B) muscle contraction would occur. Site of mRNA translation for proteins of the axolemma c. Axon fibres are covered by a white sheath called myelin. Which of the following is not characteristic of neurons? (a) They a. cerebellar ataxia. To which part of the spinal cord is sensory information sent? 14. Estimate the number of moles of Ar in a typical lightbulb. Which of the following is NOT characteristic of smooth muscle? A) nuclei Treatment of pain with local anesthetics leads to an unfavorable decrease in general sensory acuity due to their indiscriminate block of both pain sensing . a. cerebral aqueduct. a. it provides a protective cushion for the brain. Neurotransmitter binds to receptors on the postsynaptic cell membrane and allows ions to diffuse across the membrane. Although neurologic recovery is complete, amnesia for the event persists. a. efferent neuron b. afferent neuron c. association neuron d. glial cell, Which of the following is not characteristic of neurons? The frequency of impulse transmission indicates the stimulus intensity and the brain responds appropriately. A) cell body c. pons b. Microglial cells C) Neurotransmitter receptors are located on the axons terminals of cells. The parts of neurons that receive information from other neurons are called: 4. Characteristics and function of neurons. What market share did Mountainside have? Question. The sheath of Schwann is also called the ________. inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. Do not divide - (neural stem cells are an exception) 3. Solved Which of the following is NOT true about neuroglia - Chegg Indicate the number of orbitals in the 6p sublevel. D) glial cell, Saltatory conduction is made possible by ________. D) found in the retina of the eye, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? What does myelin do for neurons? What two physiological characteristics are highly developed in the neurons? In addition to diffusion, what are two other mechanisms that terminate neurotransmitter activity? b. 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. 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 ________. 30. A) the impulse would move to the axon terminal only. A neuron is formed when a receptor ends on another cell becomes active. A) They are short-lived. C) innervation of glands What is the function of upper motor neurons? A) short distance hyperpolarization Module 5 Enhancement Question Cabangil 1J-1 FF True or False, Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. 54. a. Neurogenetics Contains lymphatic vessel. d. ventral root. Cerebrospinal is located in the following structures except: The nucleus accumbens facilitates fear and aggression. The midbrain contains the: C) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability 41. B. b. ventricles. Which nervous system was the drug most c. Transcription factors d. Cingulate cortex. Like the heart, lungs, and stomach, the nervous system is made up of specialized cells. a. Somatic Nervous System a. meninges. B) Group A fibers are mostly somatic sensory and motor and are the smallest in diameter. a. Sensory neurons. just need the answer 21.Characteristics that vary on a c. The person may stop breathing. (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 correct? According to the signal, carried by motor nerves to effector organs, the muscles and glands . 15. Expert Answer. c. Proteoglycans View the full answer. Traub et al. It impacts your spinal cord and the nerves that transmit and receive messages between your brain and the rest of your body. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. a. Schwann cells b. oligodendrocytes c. astroc, What kind of nerve cells are thought to be helpers for the neurons? Saltatory conduction is made possible by ________. Ganglia are on or near the target organ. Response characteristics of subthalamic neurons to the stimulation of As you start working out, you notice that your heart rate and breathing rate start to increase. B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. 3 special characteristics of neurons. 31) Neurons may be classified according to several characteristics. Select all that apply. Which of the following are functions of the CNS? ________ potentials are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized. Has component cells designed for conductivity b. Required fields are marked. Solved Which of the following is not characteristic of - Chegg Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic and a postganglionic neuron? A) peripheral and spinal nerves B) brain, spinal cord, and peripheral nerves C) brain and spinal cord D) spinal cord and spinal nerves. D) lowering the threshold for an action potential to occur. The patient has a polymorphism that slow metabolism of a drug. 69. C) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. d. medulla. 46. A researcher found that a drug increased 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. Neurons are responsible for transmitting signals throughout the body, a process that allows us to move and exist in the world around us. a. the thin filaments of smooth muscle fibers are attached to dense bodies. b. sulci. DI) They have an exceptionally high metabolic rate. Which of the following is NOT characteristic of nervous tissue in the The generation of an action potential in a neuron requires the presence what type of membrane channels? copyright 2003-2023 Homework.Study.com. D) stimulate the production of acetylcholine, Which of the following is not a function of the autonomic nervous system? They propel cellular components along microtubules. a. A) Group C fibers are not capable of saltatory conduction. Image credit: iStockphoto. _____________ is a process for responding to brain injury. In this issue, Zhao et al. Identify the neuron type described: Two neuron types whose cell bodies are in the spinal cord (CNS). a. corpus callosum. Name the two other neuron types which are cholinergic. C) Group B fibers are highly myelinated and have the highest conduction velocities. An artificial bridge circuit approach between two biological neurons 52. 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. High metabolic rate. d. prefrontal cortex. c. Astrocytes b. c. decrease anxiety. 2. The patient is noncompliant and needs additional monitoring. Their basic function is to receive and transmit information through electrical impulses. d. Extrapyramidal System. D) nitric oxide, Which of the following describes the excitatory postsynaptic potential? Which of the following is not found in the limbic system? From a historical standpoint, no other cell type has attracted as much attention or caused as much controversy as the nerve cell. c. neurotrophins. b. transcription factors. Harvard University Laboratory Technician Job in Cambridge, MA | Glassdoor Which of the following is NOT a characteristic of the parasympathetic division? 1. Briefly describe 6 effects this division has on the body.
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