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

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. 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. A chemical messenger that does not directly cause ESPSs or IPSPs but does affect the strength of synaptic transmission is a ________. Multiple Choice. A genetic mutation caused by an error in replicating or repairing a gene is called: D. Skeletal muscles supports the weight of some internal organs. 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? Some neuroglia remove debris and foreign material from the nervous system. 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. capacity of divide via mitosis due to absence of centrosomes. 70. b. procedural memory. In your opinion, is "A Christmas Memory" merely a vivid portrayal of a memory, or does it also convey a theme, or message? d. Vagus nerve. Which of the following portions of the neuron transmits neurotransmitters? 3. 43. a. parietal lobe. They propel cellular components along microtubules. d. Sensory efferent neurons po. d. Sympathetic ganglion, 24. A) axon B) dendrite C) neurolemma DI) Schwann cell. D) absolute refractory period. c. gene duplication. Hint. 23. The presence of at least one Y chromosome indicates: According to the humidity characteristics of PEMFC, Vinu et al. 12. What is the function of upper motor neurons? A. Its axon, the postganglionic axon, extends to the effector organ. The oligodendrocytes can myelinate several axons. nerve impulses) Need constant supply of nutrients and oxygen O All of the listed answer choices . A) cholinesterase Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? 52. Efferent neurons are ___ neurons carrying impulses to the muscles. Traub et al. Study with Quizlet and memorize flashcards containing terms like 1. b. motor fibers that conduct nerve impulses from CNS to skeletal muscles. A second nerve impulse cannot be generated until ________. Neurons can function optimally for over 100 years. The parasympathetic division includes the splanchnic nerves. a. messenger ribonucleic acid. the afferent division of the nervous system. c. It is avascular. a. sensory neuron b. interneuron c. motor neuron d. gland e. muscle. c. Electrical impulses would be unable to travel down axons. Which of the following is not characteristic of neurons? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 64. just need the answer 21.Characteristics that vary on a Demyelination interferes with saltatory conduction, which would result in a slowing down of nerve impulse propagation. C. Myelin traps sodium ions in the axon, What does myelin do for neurons? Immediately after an action potential has peaked, which cellular gates open? This results in increased speed of impulse propagation. c. working memory. A) sodium 2. A substance that inhibits the activity of the cerebellum would be expected to: Saltatory conduction is made possible by ________. a. efferent neuron b. afferent neuron c. association neuron d. glial cell, Which of the following is not characteristic of neurons? the somatic nervous system. a. impair memory. Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. We studied the biochemical characteristics of dopaminergic (DA) neurons generated from induced pluripotent stem cells (iPSCs) from a PD . Which of the choices below describes the ANS? Which of the following IS NOT a description of a neuron? a. Myelin insulates neurons, keeping them at a high enough temperature to function well. All rights reserved. What structural classification describes this neuron? B. Skeletal muscles store nutrient reserves. A) They conduct impulses. D) innervation of skeletal muscle, Collections of nerve cell bodies outside the central nervous system are called ________. I was doing so well." The concentration of __ is higher outside than inside the cell. Study with Quizlet and memorize flashcards containing terms like Which of the following is not characteristic of neurons? a. Microglial cell activation d. Neurons. What do ANS neurons regulate with regard to mechanical digestion? What are the basic divisions of the peripheral nervous system? Neuroglia perform supportive functions in the brain. B) hyperpolarization C) action potential b. autosomal chromosomes. your answer. a. the hippocampus. What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? b. Microglial cells Neurons are relatively small, simple-structured cells. d. M1. 66. Which of the following is NOT characteristic of smooth muscle? B) repolarization d. it fills spaces in the brain. E) nucleic acid. C) oligodendrocytes The comparison demonstrates that the suggested controller closely tracks the reference voltage than the . 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. ch 4 quiz Flashcards by megan hicks | Brainscape b. Gliosis Neurons may be classified according to several characteristics. The generation of an action potential in a neuron requires the presence what type of membrane channels? a. Trigeminal nerve If a neuroscientist stated that a brain structure had efferent neurons, what can be concluded? The point where a motor neuron meets a muscle fiber is called the: Relative to the central nervous system, motor neurons are referred to as afferent neurons. 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? C) microglia A postsynaptic cell can be a neuron, a muscle cell, or a secretory cell. Which of the following is not true concerning the structural classification of neurons? B) type of stimulus receptor A neuron consists of a nucleus, a region of tissue that contains the cell body. d. spines along dendrites. a. temporal lobe. 2. The pathogenesis of the sudden disruption of neurologic function is unknown; it probably involves dysregulation of the reticular activating system in . This is an example of: Biochemical Characteristics of iPSC-Derived Dopaminergic Neurons from Glial scars may impair recovery from brain injury because: Which of the following is not characteristic of neurons a Indicate the number of orbitals in the 6p sublevel. Briefly describe 6 effects this division has on the body. B) They have extreme longevity.C) They are mitotic. Identify the cell type below that assists the function of neurons and has a supportive role within the nervous system? described as having a word on the tip of your tongue, might have abnormal functioning in the: Which of the choices below describes the ANS? c. occipital lobe. c. decrease anxiety. 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. 1.Introduction. Which of the following is not true of graded potentials? A) innervation of smooth muscle of the digestive tract B) innervation of cardiac muscle C) innervation of skeletal muscle D . A) positively charged and contains less sodium The cells communicate by sending signals between different parts of the brain, and the neurons can interface with gray matter nuclei. c. epigenetic stimulus. These K+ ions decrease the positive ion concentration momentarily below the normal -70mV and thus hyperpolarize the cell. Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials? A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. 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. b. the medulla. B) large nerve fibers Visual disturbances, paralysis, and weakness, Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Elliot Aronson, Robin M. Akert, Timothy D. Wilson. What does myelin do for neurons? A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. Answer: Option D is correct Explanation: Neurons generally do not e. What is a substance released from neurons that influences the sensitivity of neurons to neurotransmitters called? Types of neurons - Queensland Brain Institute a. increase the activity of postganglionic sympathetic neurons. Which of the following conducts impulses to an effector? b. on the soma. The synaptic cleft b. The part of a neuron that conducts impulses away from its cell body is called a (n) ________. [PDF] Selective cold pain inhibition by targeted block of TRPM8 b) Myelin prevents conduction of electricity from the axon hillock to the axon terminal. Upper motor neurons are classified according to the pathways they travel in C. The Babinski response is not characteristic of paralysis from UMN lesions Transcribed image text: Which of the following is not a characteristic of neurons? C) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. If a loud noise made you jump, which structure was most likely responsible for this d. Cingulate cortex. Which cells in the brain remove normal cellular waste? C) the impulse would spread bidirectionally A) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. Citation 17 - Citation 21 However, the effect of CH on axonal plasticity within the white matter following ischemic stroke is not known in detail. Group C fibers are not capable of saltatory conduction. d. astrocytes. The reticular activating system includes all of the following structures except: c. end terminus. (a . Allow ions to move in and out of its cellular membrane. d. cerebellum. 57. (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 . The term central nervous system refers to the ________. Treatment of pain with local anesthetics leads to an unfavorable decrease in general sensory acuity due to their indiscriminate block of both pain sensing . B) muscle contraction would occur. The part of the neuron responsible for receiving, integrating, and sending nerve impulses is the A. dendrite. ________ potentials are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized.