70. a. increase the activity of reactive astrocytes. C) ganglia Immediately after an action potential has peaked, which cellular gates open? The neuronal membrane. c. preganglionic terminals. These include nerve cells (or neurons) and glial cells (or glia ). response? b. (b) They have extreme longevity. Efferent neurons are ___ neurons carrying impulses to the muscles. a) norepinephrine b) cholinesterase c) gamma aminobutyric acid d) acetylcholine. b. smooth muscle cells are uninucleated. What should the nurse explain to the patient regarding the role of serotonin and depression? B) microglia Which of the following is not a function of the autonomic nervous system? Choose the correct order of these events below. Central Nervous System Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials? Contains cells with macrophage activity c. Exhibits regenerative capacities d. Contains lymphatic vessel. What is the role of microglial cells and why are they so important in the CNS? Damage to the hypothalamus may alter someone's motivation to eat. We investigated here the direct and differential effects of inflammatory mediators on human neurons. 60. b. Pons b. Nervous system - The neuronal membrane | Britannica The person may have constricted pupils. taking the substance. The oligodendrocytes can myelinate several axons. Cedric S Raine. The nucleus accumbens facilitates fear and aggression. The substance released at axon terminals to propagate a nervous impulse is called a (n) ________. Which of the Following Is Not a Characteristic of Neurons Ans: they are mitotic Unli . Which of the following describes the nervous system integrative function? threshold Voltage-gated Na+ That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. a. polymorphisms. The generation of an action potential in a neuron requires the presence what type of membrane channels? a. interneuron. Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. 62. True or False, Unipolar neurons have axons structurally divided into peripheral and central processes. b. they prevent axons from re-growing. d. temporal lobe. Which of the following is true about the movement of ions across excitable living membranes? B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. It also affects your cerebellum, the part of your brain that controls movement and balance. a. extrapyramidal motor system. Classify neurons according to their structure. a. Autonomic pathways consist of two types of motor neurons. d. cingulate cortex. B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. A. B) cholinesterase 2. 3. b. Sensory afferent neurons possess long dendrites and short axons. According to the humidity characteristics of PEMFC, Vinu et al. d. The patient is at risk of a Mendelian disease. A) An excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold. 23 We detected neurons and extracted temporal components from the calcium imaging data (Figure 2 C) with the CNMF-E toolbox. d. reticular activating system. Neurons that carry impulses the central nervous system to the muscles or glands are called neurons or motor neurons. Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. b. cingulate cortex. It is important when reducing any model to first identify these characteristic behaviours. WHICH OF THE FOLLOWING IS TRUE REGARDING UMNS ? This area is also known as the soma or perikaryon. a. M4 Combination therapy with simultaneous delivery of spinal cord the somatic nervous system. Glial scars may impair recovery from brain injury because: c. somatic nervous system. d. hippocampus. d. None of these are correct. 3. b. forebrain. Which of the following is not characteristic of neurons. B) muscle contraction would occur (c) They have an exceptionally high metabolic rate. A) ependymal cells a. (organalle) inside them, which is necessary to formation of mitotic. d. Autonomic Nervous System, 21. When excited electrically, the Hg atoms emit UV light, which excites the phosphor coating of the inner tube, which then emits visible (white) light. View the full answer. 18. d. hypothalamus. What is the long outgrowth of a neuron along which electrical impulses are transmitted? All of the following describe functions for cerebrospinal fluid except: C. cell body. b. Reactive astrocytes 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. The Macklis Lab is directed toward (1) understanding molecular controls and mechanisms over neuron sub-type development, diversity, axon guidance-circuit formation, and degeneration in the cerebral cortex, and (2) applying developmental controls toward brain and spinal cord regeneration and directed differentiation for in vitro therapeutic and mechanistic screening. Local anesthetics block voltage-gated Na+ channels, but they do not block mechanically gated ion channels. What are the two(2) functional neuron types that are structurally multipolar neurons? a. Alzheimer's disease. We studied the biochemical characteristics of dopaminergic (DA) neurons generated from induced pluripotent stem cells (iPSCs) from a PD . d. ribosome transcription. Which cranial nerve receives sensory information from the heart, liver, and intestines? 25. The hypothalamus is located in the: D) generator potential. 22. The cells communicate by sending signals between different parts of the brain, and the neurons can interface with gray matter nuclei. 6. Show the details. 100% (3 ratings) Which of the following is NOT a characteristic of neurons? c. The cerebral cortex includes the cerebellum. D) absolute refractory period. The prefrontal cortex is important for working memory function. In terms of function, scientists classify neurons into three broad types: sensory . IJMS | Free Full-Text | Low Basal CB2R in Dopamine Neurons and - MDPI Neurons and muscle cells are considered excitable tissues because they do what? What two physiological characteristics are highly developed in the neurons? group cfibers are not capable of salatory conduction. 12. Which of the following best describes the function of astrocytes? Harvard University Laboratory Technician Job in Cambridge, MA | Glassdoor c. myelin around axons. B) type of stimulus receptor D. Association Central Nervous System. The characteristic neurologic picture including loss of consciousness, temporary respiratory arrest, and loss of reflexes. B) Specific potassium gates will open. Name the parts that comprise the elbow joint. Classify Neurons by 3 Structures. d. increase the density of dendritic spines. C) brain and spinal cord The axon c. The dendrites d. The Nissl bodies. ___________ are clusters of neuron cell bodies in the sympathetic and parasympathetic Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. 8. d. frontal lobe. a. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. a. d. Neurotransmission from the neuron would increase. Which of the choices below describes the ANS? a. Amygdala A novel robust adaptive sliding mode control using stochastic gradient a. visual information. d. gyri. Which pattern of neural processing is important for higher level mental processing such as problem solving? Solved Question 35 1.5 pts Which of the following is not a - Chegg B) nerves c. provide the defense for the CNS. D) Schwann cell, Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials? a. astrocytes play a role in neurotransmission. Select the correct statement regarding synapses. 41. 45. High mitotic rate B. d. a transcription factor. What does myelin do for neurons? c. olfactory information. ________ is a disease that gradually destroys the myelin sheaths of neurons in the CNS, particularly in young adults. a. the person had neurons that did not form correctly during neural development. What process does this interfere with and what would be the consequence? B) negatively charged and contains less sodium 1. Growth of spiral ganglion neurons induced by graphene oxide/oxidized A. Sensory. b. cause aggressive behavior. 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. Nerve cell adhesion molecules (N-CAMs) ________. According to the signal, carried by motor nerves to effector organs, the muscles and glands . a. Oligodendrocytes : Question 35 1.5 pts Which of the following is not a special characteristic/property of neurons? Saltatory propagation occurs in _________ axons, in which action potentials _________. D. Skeletal muscles supports the weight of some internal organs. a. Diminished release of acetylcholine from preganglionic sympathetic neurons would: The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. d. pineal gland. a. Oligodendrocytes What type of neuron connects sensory and motor neurons in neural pathways? C ) brain and spinal cord. In epilepsy research, there is a growing interest in the role of the piriform cortex (PC) in the development and maintenance of limbic kindling and other types of limbic . a. sensory neuron b. interneuron c. motor neuron d. gland e. muscle. A) motor neurons 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? A) astrocytes She asks the nurse,"Why did this have to happen to me again? c. Motor efferent neurons possess long dendrites and short axons. B) voltage-gated channel Which of the following plays an integral role in saltatory conduction? channels open Influx of Na+ AP regenerated in The person may have an increase in heart rate. Calcium influx into the synaptic terminal causes vesicle fusion. 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 ________. Select the correct statement about serial processing. The axon hillock is located: Damage to the ________________ could cause changes to one's motivation to eat, such as D) ligand-gated channel, An impulse from one nerve cell is communicated to another nerve cell via the ________. b. the medulla. Multiple Choice. A genetic mutation caused by an error in replicating or repairing a gene is called: Which nerve cells carry impulses from the brain to the muscles? B) repolarization b. transcription factors. Neurons create extensive communication networks throughout the nervous system. This is an example of: a. Doral root Which of the following is not a characteristic of neurons? a. The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. d. endothelial cells., 2. The synaptic cleft b. Strong stimuli cause the amplitude of action potentials generated to increase. Which of the following is not a chemical class of neurotransmitters? Which type of microglial cells promote inflammation? Which of the following is not a special characteristic of neurons? A) Sensory neuron B) Motor neuron C) Interneuron D) All of the above. 20. Neurons synapse with: a. other neurons b. muscles c. glands d. all of these. A) the impulse would move to the axon terminal only. d. astrocytes form and maintain the blood-brain barrier. likely true? c. Autonomic Nervous System They have long fibers from CNS to ganglion. Which of the following is NOT a function or characteristic of neurons? C) opening of voltage-regulated channels Hint. spindle fibres to divide the cell. A drug that increases appetite would likely affect: Which of the following is not characteristic of neurons? What does myelin do for neurons? [PDF] Selective cold pain inhibition by targeted block of TRPM8 1. d. Nuclei. a. pituitary gland. c. The patient has a low level of transcription factors. This disease causes gradual muscle stiffness . 28. People throughout history (has, have) been fascinated by the moon. d. represent a general decline of autonomic nervous system activity. c. they form an insulating material around axons. 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. corpus callosum. Which neurons belong to the efferent pathway? d. Neurons. b. M3 d. act as transcription factors. b. cerebellum. How can potentially poisonous gases like NO and CO be used by the body? C) opens K+ or Cl- channels c. epigenetic stimulus. 9. A thirestold potential must be excecded or reached. Which of the following statements is true? b. ventricles. a. forebrain. When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. What functional class of neuron carries impulses away from the CNS to muscles or glands? c. the structure is further out to the side of the brain. d. The cerebral cortex is found on the surface of the brain. Structural Functional Characteristics of Nervous and Glial Cells b. medulla. They have extreme longevity. Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? The latter from the brain to the spinal cord. 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. a. medulla. d. the hypothalamus. Which does NOT describe nervous tissue? D) They are mitotic. B) chloride The importance of a stimulus is derived from the number of stimuli received from the same source. Its structure is multipolar. O They conduct impulses. b) Neurological cells protect and support neurons. D) are crucial for the development of neural connections, An inhibitory postsynaptic potential (IPSP) is associated with ________. What are the neuron functions for the peripheral nervous system? The majority of these axonal knobs are shown to be "firing." d. transcription factor. analyzes sensory information, stores information, makes decisions. D. They have an exceptionally high metabolic rate., These cells in the CNS have cilia that move in order to circulate cerebrospinal fluid ________. lowers the probability of producing an action potential. D) Schwann cells, Schwann cells are functionally similar to ________. I was doing so well." An anesthetic protocol allowing electrophysiological singleunit recordings from inhibitory, presumably GABAergic PC interneurons in vivo is developed and may be useful for evaluation of PC neurons in kindled rats. If an experimental drug produced physiological effects similar to nitric oxide, then a A. Allow ions to move in and out of its cellular membrane. Sensory receptors for touch (and pressure) respond to physical deformation of the receptors, resulting in the opening of specific mechanically gated ion channels. 55. 51. Transcription factors increase or decrease gene transcription. Which Of The Following Is Not A Characteristic Of Neurons d. motor neuron. a. on dendrites. These cells have a star-like shape and a central body that contains the . 48. A disease that destroyed astrocytes would be expected to: C) diphasic impulses c. decrease anxiety. Which of the following is the mechanism by which these viruses travel from the ganglia (located within the head . March 17, 2022. a. Which of the following is not characteristic of - Course Hero A) innervation of smooth muscle of the digestive tract B) innervation of cardiac muscle C) innervation of skeletal muscle D . The part of a neuron that conducts impulses away from its cell body is called a(n) ________. b. polymorphism. The parts of neurons that receive information from other neurons are called: 4. c. gene duplication. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. A&P Chapter 12 Flashcards | Quizlet D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. Name the following: Nervous tissue cells that regulate the chemical environment of neurons. They control, in this way, from the movement of an arm, thoughts and even feelings through electrical signals that are called nerve impulses. Traub et al. certain disorder would most likely investigate which of the following? Motor has two divisions: the somatic and autonomic. d. The person may have motor tremor. a. Epigenetic markers Different types of neurons include sensory, motor, and interneurons, as well as structurally-based neurons, which include unipolar, multipolar, bipolar, and pseudo-unipolar neurons. The following is a list of characteristics of neurons: - Neurons are cells that specialized in the transmission of electrical impulses. D) potassium, Nerve cell adhesion molecules (N-CAMs) ________. b. Neurons would be unable to form the blood-brain barrier. What are the basic divisions of the peripheral nervous system? C) They can be called postsynaptic potentials. . d. pituitary gland. True or False, Some neurotransmitters can be either excitatory or inhibitory depending upon the receptor. 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. d. inferior colliculus. Answer (1 of 3): So a neuron is a specialized cell in the brain with certain characteristics. c. medulla In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. Which of the following is NOT a characteristic of the parasympathetic division? 12. d. Hypothalamus, 37. d. acetylcholine. a. cerebellar ataxia. Classify Neurons by their Function. Polygenic inheritance is the inheritance of traits that are influenced by multiple genes. A) Ions always move actively across membranes through leakage channels. a. microglial cells. Numerous Nissl bodies were observed, indicating that the neurons had a high ability to synthesize proteins. a. Activation of preganglionic sympathetic neurons b. dorsal horn C) neurotransmitter It is composed of densely packed cells. Which division of your nervous system is generating this response? What mechanism is responsible for axonal transport? B) They have extreme longevity. a. Oligodendrocytes b. glial cells. STRUCTURAL FUNCTIONAL CHARACTERISTICS OF NERVOUS AND GLIAL CELLS. Serotonin is a biogenic amine neurotransmitter widely distributed in the brain, where it plays a role in emotional behavior and helps to regulate the biological clock. C) negatively charged and contains more sodium. A neuron consists of a nucleus, a region of tissue that contains the cell body. a. Multi-polar neurons b. Bipolar neurons c. Uni-polar neurons. The cerebral cortex has features called gyri and sulci. 30. Which of the following are true about neurons? A) nuclei Melatonin is released from the: the sympathetic division of the autonomic nervous system. 40. Some neuroglia remove debris and foreign material from the nervous system. b. Somatic Nervous System Neurons are a type of cell and are part of the nervous system. Unipolar,Bipolar,Multipolar. a. Schwann cells b. oligodendrocytes c. astroc, What kind of nerve cells are thought to be helpers for the neurons? The resting membrane potential is maintained by Na+-K+ pumps that actively transport __ into and ___ out of the cell. B) short distance depolarization acetylcholine a. Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue(s). c. The output (. 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. Characteristics and function of neurons. Which of the following are the cells of nervous tissue? B) Group A fibers are mostly somatic sensory and motor and are the smallest in diameter. a. norepinephrine. Characteristics of neurons Flashcards | Quizlet Which of the following is not found in the limbic system? d. the structure is anterior to the area. 54. There are two well-characterized cannabinoid receptors (CB1R and CB2R and other candidates): the central nervous system (CNS) enriched CB1R and peripheral tissue enriched CB2R with a wide dynamic range of expression levels in different cell types of human tissues. The presence of at least one Y chromosome indicates: When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. likely acting upon? A. 19. c. decrease the activity of postganglionic parasympathetic neurons. Which of the following is NOT a characteristic of neurons? Specifically, combination therapy (simultaneous use of customized sub-perception field and paresthesia-based SCS) versus monotherapy (paresthesia-based SCS) was evaluated. Which of the following is not a characteristic of neurons C. Afferent. Which of the following IS NOT a description of a neuron? Which of the following is a factor that determines the rate of impulse propagation, or conduction velocity, along an axon? a. Dendrites and axon True or False, Axon diameter and degree of myelination determine nerve impulse conduction velocity. destroy ACh a brief period after its release by the axon endings. c. Hippocampus 11. Which of the following correctly describes a graded potential? Describe the structure of neurons 2. (c) They have an exceptionally high metabolic rate. ATP-dependent "motor" proteins such as kinesin, dynein, and myosin are responsible. 10. a. that a person will have a polymorphism. A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. 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. c. Hypoglossal nerve (a) dendrites (b) cell body (c) myelin (d) axon terminal. 74. ______________ are chemicals that promote the growth and development 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. 42. Which neurons reside only within the CNS? a.) In doing so, mention: a) the names of the neurons involved, b) where the neurons synapse with each other (2 possible ganglia), c) what Nt is released from each of the neurons. Fill in the blank. Neurotransmitter binds to receptors on the postsynaptic cell membrane and allows ions to diffuse across the membrane. 4. Which of the following is the study of mechanisms of gene expression not involving Name the two other neuron types which are cholinergic. alternations to DNA sequences? For skeletal muscle cells to contract, they must be excited by motor neurons. c. M2 microglial cells 61. Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. formation. A) act as a transmitting agent D) control the chemical environment around neurons D) spinal cord and spinal nerves, The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. The greater the density of spines along dendrites, the greater a neuron's: 5. B) brain, spinal cord, and peripheral nerves Although neurologic recovery is complete, amnesia for the event persists. These neurons are inhibitory neurons, meaning they release neurotransmitters that keep other neurons from firing. b. Glossopharyngeal nerve There are three types of neurons. b. cerebrospinal fluid. likely to occur? to axon segment Axon segment a. other neurons b. muscles c. glands d. all of the above, All of the following are characteristics of sympathetic preganglionic neurons EXCEPT: a. D) positively charged and contains more sodium. C) neurolemma Which of the following is correct? which ofthe following is correct? 26. o Neurons have a very long lifespan Have low mitotic activity fie cannot undergo cell division) O Ability to transmit electrical signals (i.e. Which of the following is not a characteristic of neurons? What is the function of dendrites in a neuron? A) peripheral and spinal nerves What are the different types of motor neurons? Friedreich's Ataxia: Causes, Diagnosis, Treatment, etc. a. postganglionic terminals. 2. c. synapses. d. Interneurons, 16. All rights reserved. D) tracts, The term central nervous system refers to the ________. 1. d . These gases are neurotransmitters that act indirectly. c. gamma aminobutyric. C) microglia 2 introduce new . A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. 53. Which of the following is not a characteristic of ion channels? Extrapyramidal side effects produced by antipsychotic drugs are similar to the symptoms of: just need the answer 21.Characteristics that vary on a 1. A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. Specific instructions that encode for traits are called: 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. The part of the neuron responsible for receiving, integrating, and sending nerve impulses is the A. dendrite. c. in the synapse. Free Flashcards about ap chap 11 - StudyStack Which of the following are functions of the CNS? 58. 38. 2.Motor. What do neurons synapse with? That is, they have a single axon and many dendrites. Neurons generate and conduct electrical impulses called action potentials. If physicians found that inflammation had caused damage to the blood-brain barrier, which 33. d. increased protection of the brain. Motor. B) Ions always move passively across membranes. 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).
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