which of the following is not characteristic of neurons?

(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 . Enkephalins and endorphins are peptides that act like morphine. Which of the following is NOT characteristic of smooth muscle? Neurons are found across the body but are most numerous in the brain. ___________ are clusters of neuron cell bodies in the sympathetic and parasympathetic d. spines along dendrites. New three-photon miniature microscopes open the study of neuronal networks to those deep in the brains of behaving animals. Which neurons belong to the efferent pathway? D) all sodium gates are closed, In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? B) They can form on receptor endings. As you start working out, you notice that your heart rate and breathing rate start to increase. The human body is made of about 100 billion neurons. The cerebral cortex has features called gyri and sulci. c. midbrain. Neurons are relatively small, simple-structured cells. b. a Mendelian disease. D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. C. Myelin traps sodium ions in the axon, What does myelin do for neurons? c. Transcription factors Inhibitory postsynaptic potentials (IPSPs) are "firing," but due to the neurotransmitter released and its action, the postsynaptic neuron is inhibited from "firing" (hyperpolarized). Contains lymphatic vessel. innervation of skeletal muscle. If an experimental drug produced physiological effects similar to nitric oxide, then a kg 1), . Are most pedagogues more interested in automation or orthography? c. meninges. d. Nuclei. True or False, Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. Which does NOT describe nervous tissue? D) astrocytes, Immediately after an action potential has peaked, which cellular gates open? 4. An inhibitory postsynaptic potential (IPSP) is associated with ________. A) Cells with gap junctions use chemical synapses. In general, neurons cannot be replaced if destroyed. b. inhibit axon growth. B) microglia A. 2 introduce new . A drug that reduces the activity of the amygdala would likely: C) frequency of action potentials 8. A) ion She asks the nurse,"Why did this have to happen to me again? c) Myelin traps sodium ions on the axon an. d. astrocytes. c. Myelin traps sodium ions in the axon and, What does myelin do for neurons? How can a single axon respond to several different kinds of events? The prefrontal cortex is important for working memory function. c. hindbrain. a. regenerating axons may be unable to regain previous connections through the site of injury. 41. C) depolarization d. Polymorphism, 50. negatively charged and contains less sodium. c. Motor neurons. D. They have an exceptionally high metabolic rate., These cells in the CNS have cilia that move in order to circulate cerebrospinal fluid ________. In terms of function, scientists classify neurons into three broad types: sensory . Specialized cells in the nervous system that control behavior, senses, and movement are. The concentration of __ is higher outside than inside the cell. What structural classification describes this neuron? a. efferent neuron b. afferent neuron c. association neuron d. glial cell, Which of the following is not characteristic of neurons? The parasympathetic nervous system prepares the body for rigorous activity. a. hippocampus In this study we evaluated if motor and sensory neurites have a substrate preference for laminin and . When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. D. Skeletal muscles supports the weight of some internal organs. What is the role of microglial cells and why are they so important in the CNS? 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. C) neurotransmitter certain disorder would most likely investigate which of the following? First, consider an object with an initial position x0x_0x0, an initial velocity v0v_0v0, and an acceleration aaa. Is the information in this quote about afferent of efferent? D) They can be called postsynaptic potentials. a. alertness. The cell body is the metabolic center of the neuron. Both excitatory and inhibitory potentials impinge on neurons. a. medulla. Similar to hormones, NO and CO promote longer-lasting effects by acting through intracellular second-messenger molecules. If a loud noise made you jump, which structure was most likely responsible for this b. c. M2 Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? 72. 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 . c. basal ganglia. a. Astrocytes - Neurons have one or more long, slender projections called dendrites, which receive electrical impulses from other neurons. a. the hippocampus. O They conduct impulses. Site of mRNA translation for proteins of the axolemma c. Axon fibres are covered by a white sheath called myelin. What is the role of calcium in synaptic activity? b. cerebellum. d . Nerve cell adhesion molecules (N-CAMs) ________. 2. C) diphasic impulses a. sensory neuron b. interneuron c. motor neuron d. gland e. muscle. Which of the following is NOT characteristic of nervous tissue in the brain a. b. Myelin prevents conduction of electricity from the axon hillock to the axon terminal. a. inhibit the production of neurotrophins. While taking notes in class, a student had keep in mind what the professor had just stated in a. Study with Quizlet and memorize flashcards containing terms like Which of the following is not characteristic of neurons? d. Neurotrophins. D) are crucial for the development of neural connections, An inhibitory postsynaptic potential (IPSP) is associated with ________. Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. The contractions of skeletal muscles pull on tendons and move bones of the skeleton. C) biogenic amine The former make connections from the spinal cord to the muscles. e. neurons that innervate smooth muscle are under involuntary control. When excited electrically, the Hg atoms emit UV light, which excites the phosphor coating of the inner tube, which then emits visible (white) light. nerve impulses) Need constant supply of nutrients and oxygen O All of the listed answer choices . Give a valid explanation of why this could occur. Fill in the blank. The sheath of Schwann is also called the ________. d. Sympathetic ganglion, 24. GBA variants increase the risk of Parkinson's disease (PD) by 10 times. The term central nervous system refers to the ________. Identify the cell type below that assists the function of neurons and has a supportive role within the nervous system? C) Sodium gates in the membrane can open in response to electrical potential changes. b. glial cells. D) effector, What is the role of acetylcholinesterase? Which of the following is an EXCITATORY neurotransmitter secreted by motor neurons innervating skeletal. Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. 10. b. the blood-brain barrier Saltatory conduction is made possible by ________. A) origin of the stimulus A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. An impulse from one nerve cell is communicated to another nerve cell via the ________. The comparison demonstrates that the suggested controller closely tracks the reference voltage than the . d. cingulate cortex. A) peripheral and spinal nerves An experimental drug that reduces the release of chemicals that inhibit axon growth may: During depolarization, the inside of the neuron's membrane becomes less negative. A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. The person may have an increase in heart rate. c. Electrical impulses would be unable to travel down axons. a. meninges. C) ganglia 45. A) ependymal cells a) axons b) dendrites c) Schwann cell d) cell body, Which of the following forms myelin in axons at PNS? d. gray matter. c. Motor efferent neurons possess long dendrites and short axons. A) innervation of smooth muscle of the digestive tract B) innervation of cardiac muscle C) innervation of skeletal muscle D . Which of the following is NOT a characteristic of neurons? 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. inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. a. M4 A) peripheral and spinal nerves B) brain, spinal cord, and peripheral nerves C) brain and spinal cord D) spinal cord and spinal nerves. It is important when reducing any model to first identify these characteristic behaviours. Oligodendrocytes form and maintain the blood-brain barrier. b. transcription factors. During depolarization, the inside of the neuron's membrane becomes less negative. 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. Which of the following is not a special characteristic of neurons? - Neurons have a cell body, which contains the majority of the cell's organelles. alternations to DNA sequences? E) nucleic acid. High metabolic rate C. Require continuous supplies of glucose and oxygen D. Extreme longevity E. No exceptions; all of these are characteristic of neurons. b. The cells communicate by sending signals between different parts of the brain, and the neurons can interface with gray matter nuclei. d. proteins. Its axon, the postganglionic axon, extends to the effector organ. d. frontal lobe. Which of the following cells are not found in a connective tissue? d. Neurotransmission from the neuron would increase. Which of the following membrane regions would have significant numbers of voltage-gated ion channels? 20. Transcription factors increase or decrease gene transcription. What two physiological characteristics are highly developed in the neurons? A. neuronal fibers; axons B. axons; dendrites C. dendr. What does the central nervous system use to determine the strength of a stimulus? b. cingulate cortex. Which of the following is not characteristic of neurons? c. the structure is further out to the side of the brain. Some axon terminals contain more than one kind of neurotransmitter. What is a credit line? The STN also forms a reciprocally connected network with the GABAergic external globus pallidus that converges onto common basal ganglia output neurons. conditions in Russian society that led to the Revolution of 1917. What should the nurse explain to the patient regarding the role of serotonin and depression? Which of the following is NOT a type of circuit? b. Sensory afferent neurons possess long dendrites and short axons. are crucial for the development of neural connections. b. medulla c. working memory. (a) microglia (b) oligodendrocytes (c) ependymal cells (d) astrocytes. 77. d. motor neuron. b. cerebrospinal fluid. 31. c. afferent neuron. Classify neurons according to their function. 52. They control, in this way, from the movement of an arm, thoughts and even feelings through electrical signals that are called nerve impulses. All of the following describe the functions of astrocytes except: 14. C) brain and spinal cord a. cerebellar ataxia. Group of answer choices: Neuroglia refer to neurons with axons coated in myelin. _____________ is the study of how genes support the function of neurons. 74. 64. 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. Schwann cells b. satellite cells c. microglia d. astrocytes e. oligodendrocytes f. ependymal cells. 60. What portion of the neuron receives signals from other neurons? Which of the choices below describes the ANS? It is impossible in a single chapter to delineate comprehensively the extensive structural, topographical and functional variation achieved by this cell type. Which of the following statements is true? c. Astrocytes d. touch information. d. They are the same as any other cells. We used embryonic stem cell-derived (H9) human neuronal stem cells . c. end terminus. (a . Which membrane potential occurs because of the influx of Na+ through chemically gated channels in the receptive region of a neuron? What function is served by the increased axon diameter at the nodes of Ranvier? D) positively charged and contains more sodium. 2. When the neurons were damaged, the number of Nissl corpuscles decreased significantly . Strong stimuli cause the amplitude of action potentials generated to increase. Why does a hyperpolarization phase generally follow a repolarization phase in an action potential? Which pattern of neural processing is important for higher level mental processing such as problem solving? 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. Increased diameter results in increased surface area on the membrane for sodium channels. A researcher found that a drug increased heart rate. 66. As specifically as you can, outline the steps you would take to insert and express the gene for a new, nutritious seed protein in wheat. d. oligodendrocytes fail to myelinate re-growing axons. The person may have constricted pupils. b. Interneurons. A) the impulse would move to the axon terminal only. Traub et al. B) brain, spinal cord, and peripheral nerves d. represent a general decline of autonomic nervous system activity. Which of the following is NOT a characteristic of epithelial tissue? d. M1. a. Dendrites and axon Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. A. they produce neurotransmitters B. they lack neurotransmitter receptors C. they receive communication from other neurons D. they slow down the action potential. C) oligodendrocytes Strong stimuli cause the amplitude of action potentials generated to increase. 11. B. 58. Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system (CNS) coined by inflammation and neurodegeneration. In this issue, Zhao et al. Which of the following surrounds PNS neurons and provides support? A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. d. transcription factor. Which nervous sytem is responsible for delivering voluntary motor signals from the CNS to b. transcription factors. Which of the following is correct? A) long distance signaling cells would most likely be responsible? c. olfactory information. . A) sodium 27. b. Somatic Nervous System B) negatively charged and contains less sodium b. Constricted airways _____________ is a process for responding to brain injury. Which of the following is not found in the limbic system? c. decrease the activity of postganglionic parasympathetic neurons. 44. Motor. Tell why you think so. Define neurotransmitter. 13. your answer. D. Involved in fast-acting body control. 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 ________. a. astrocytes play a role in neurotransmission. b. hindbrain. a. it is not an increase in membrane potential b. causes the voltage of the internal membrane towards zero c. inside the membrane becomes more positive than resting potential d. lowers the probability of producing an action potential e. none of the above. A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. 23. The preclinical phase of AD, which can last 10 to 20 years, is characterized by the gradual accumulation of -amyloid and tau aggregates in the brain, together with neuroinflammation and synaptic alterations ().Several lines of evidence indicate that -amyloid deposition precedes . C) opening of voltage-regulated channels B) innervation of cardiac muscle b. b. Neurotrophins The patient has a polymorphism that slow metabolism of a drug. A) Sensory neuron B) Motor neuron C) Interneuron D) All of the above. help to circulate the cerebrospinal fluid. d. act as transcription factors. [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 plays an integral role in saltatory conduction? Multiple sclerosis (MS) is a disease in which the myelin sheaths are destroyed. d. tremor. A) mechanically gated channel 18. 1. All rights reserved. The principles outlined above can be applied to the neuron and its ionic contents.. Hepatocytes and neurons express low baseline CB1R and CB2R, respectively, and their cell-type-specific functions are not well defined. Which of the following is not a characteristic of ion channels? a) norepinephrine b) cholinesterase c) gamma aminobutyric acid d) acetylcholine. 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? In your opinion, is "A Christmas Memory" merely a vivid portrayal of a memory, or does it also convey a theme, or message? b. Epigenetics c. Myasthenia Gravis. Select the correct statement regarding synapses. In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? True or False, A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. Sensory and motor divisions. Which statement is true? However, the electrical impulses cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. 34. d. medulla. a. visual information. A. c. synapses. B) provide the defense for the CNS Different types of neurons include sensory, motor, and interneurons, as well as structurally-based neurons, which include unipolar, multipolar, bipolar, and pseudo-unipolar neurons. 54. c. Inhibited digestion c. reduced oxygen delivery to cells. Polygenic inheritance is the inheritance of traits that are influenced by multiple genes. Begin by sketching the contour.

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