which of the following is not characteristic of neurons?

Indicate the number of orbitals in the 6p sublevel. Sensory and motor divisions. 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? C) negatively charged and contains more sodium. d. Interneurons, 16. Tell why you think so. Which division of your nervous system is generating this response? b. Neurotrophins are crucial for the development of neural connections. C) anchor neurons to blood vessels d. M1. b. For skeletal muscle cells to contract, they must be excited by motor neurons. Briefly describe 6 effects this division has on the body. Polygenic inheritance is the inheritance of traits that are influenced by multiple genes. B) They have extreme longevity. C. Afferent. a. forebrain. a) control how neurons communicate at the synapse b) guide the development and differentiation of neurons and glial cells c) physically support neurons in the PNS to form nerves d) provide. b. She asks the nurse,"Why did this have to happen to me again? (c) They have an exceptionally high metabolic rate. The part of a neuron that conducts impulses away from its cell body is called a(n) ________. 2.Motor. What two physiological characteristics are highly developed in the neurons? D) generator potential. d. proteins. A. Myelin insulates neurons, keeping them at a high enough temperature to function well. 4. A) ion (organalle) inside them, which is necessary to formation of mitotic. 32. a. Schwann cells b. oligodendrocytes c. astroc, What kind of nerve cells are thought to be helpers for the neurons? a. Microglial cell activation b. prevent electrical impulses from traveling down axons. Write a paragraph describing the They conduct impulses. C) Neurotransmitter receptors are located on the axons terminals of cells. The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. Many drugs that produce highly enjoyable effects likely do so by affecting the: Which of the following types of glial cells monitors the health of neurons, and can transform into a special type of macrophage to protect endangered neurons? 31. C) the impulse would spread bidirectionally b. Ventral root A substance that inhibits the activity of the cerebellum would be expected to: This area is also known as the soma or perikaryon. A toxin that destroyed the presynaptic terminal on an axon would likely: 7. B) innervation of cardiac muscle 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 . c. that a person is genetically male. Which of the following is NOT characteristic of nervous tissue in the brain a. Schwann cells are functionally similar to ________. 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. ependymal cells____ help to circulate the cerebrospinal fluid: which of the following is an excitatory nerotransmitter secreted by motor neurons innervating skeletal muscles? E) nucleic acid. The interior is ________. C) Sodium gates will open first, then close as potassium gates open. b. cholinesterase. c. interneurons make inhibitory connections with damaged neurons. Expert Answer. b) Myelinated axons transmit nerve impulses in the same manner as unmyelinated axons. Which of the following is true about the movement of ions across excitable living membranes? What is a substance released from neurons that influences the sensitivity of neurons to neurotransmitters called? True or False, The autonomic nervous system is under voluntary control; whereas, the somatic nervous system is involuntary. Which of the choices below describes the ANS? 15. Which of the following statements is true? The frequency of impulse transmission indicates the stimulus intensity and the brain responds appropriately. b) Myelin prevents conduction of electricity from the axon hillock to the axon terminal. Myelinated neurons conduct impulses faster than unmyelinated neurons because? Central Nervous System a. c. Oligodendrocytes The cerebellum is located in the: (a) dendrites (b) cell body (c) myelin (d) axon terminal. b. on the soma. Which of the following is not a function of astrocytes? E) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability. O They have extreme longevity. 2. They have long fibers from CNS to ganglion. 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. 10. A researcher found that a drug increased heart rate. d. The blood-brain barrier, 17. The oligodendrocytes can myelinate several axons. The person may have constricted pupils. B) brain, spinal cord, and peripheral nerves However, the electrical impulse cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. Describe the structure of neurons 2. b. auditory information. 73. 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 . a. Somatic Nervous System Group C fibers are not capable of saltatory conduction. True or False, The action potential is caused by permeability changes in the plasma membrane. b. control the chemical environment around neurons. d . c. Hypoglossal nerve What is the functional neuron type that is the most prevalent in the CNS? b. polymorphism. which ofthe following is correct? b. (a) can maintain ionic balance of extracellular environment for neurons (b) can take glucose from blood to provide to neurons to make ATP (c) can take up neurotransmitter from a synapse (d) can phag, Which of the following are characteristics of myelinated axons? C) serotonin What is the role of microglial cells and why are they so important in the CNS? What do neurons synapse with? Which of the following are true about neurons? 46. What functional class of neuron carries impulses away from the CNS to muscles or glands? researcher would: Name two amino acid neurotransmitters, two catecholamines, and two peptides. True or False, The overlapping functions of the nervous system are sensory input, integration, and motor output. A) peripheral and spinal nerves B) brain, spinal cord, and peripheral nerves C) brain and spinal cord D) spinal cord and spinal nerves. The concentration of __ is higher inside than outside the cell. D) astrocytes, What does the central nervous system use to determine the strength of a stimulus? 60. A. The person would have impaired decision making while the drug's effects were active. C) proteins have been resynthesized 6. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. b. Gliosis d. Sensory efferent neurons po. the somatic nervous system. Discovering that someone has glial scars means suggests that: A) ependymal cells The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. C) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. 100% (3 ratings) Which of the following is NOT a characteristic of neurons? B) chloride Question. 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? Just what does pass from the neuron to the muscle cells and, Which neuroglial cell type in the CNS is associated with many functions including support for neurons, forming a blood-brain barrier, secretion of neurotrophic factors, and uptake of K+ and neurotransmitters? B. axon. What are the advantages and disadvantages of Europe's communications systems? An inhibitory intracellular matrix releases neurotrophins to impair axon re-growth. 14. Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic and a postganglionic neuron? c. gamma aminobutyric. depression would be an example of: a. impair memory. b. Sensory afferent neurons possess long dendrites and short axons. c. decrease anxiety. d. frontal lobe. These K+ ions decrease the positive ion concentration momentarily below the normal -70mV and thus hyperpolarize the cell. a. Oligodendrocytes 1. d. Neurotrophins. a. True or False, If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and destroy them. The axon hillock is located: What parts of a neuron are completely contained within a ganglion? C. Skeletal muscles are responsible for the pumping action of the heart. b. forebrain. a. Trigeminal nerve The parasympathetic division includes the splanchnic nerves. c. lead to foreign substances entering the brain from the circulatory system. Which of the following is not characteristic of neurons? motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. b. Microglial cells B. 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. 59. A disorder that damaged oligodendrocytes would be expected to impede neurotransmission. d. Neurogenetics. Preganglionic neurons are located in the brain stem and sacral segments of the spinal cord. Get access to this video and our entire Q&A library. C) They increase amplitude as they move away from the stimulus point. d. The person would have dulled senses for some period of time after taking the substance. What are the functional classifications of neurons? d. Autonomic Nervous System, 21. Required fields are marked. Damage to the hippocampus would likely cause impairments to long-term memory threshold Voltage-gated Na+ The patient has a polymorphism that slow metabolism of a drug. 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? B They have extreme longevity. View the full answer. a. Basal ganglia Melatonin is released from the: In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? c. sleepiness. b) The preganglionic neuron (sometimes called the ganglionic neuron), is the second motor neuron. D) innervation of skeletal muscle, Collections of nerve cell bodies outside the central nervous system are called ________. 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? B) They can form on receptor endings. A drug that inhibited the reticular activating system would most likely cause: The parasympathetic nervous system prepares the body for rigorous activity. a. Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. b. Epigenetics (a) microglia (b) oligodendrocytes (c) ependymal cells (d) astrocytes. c. The person would later be unable to recall events that took place for some period of time after A) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands Enkephalins and endorphins are peptides that act like morphine. Which of the following is false or incorrect? Which of the following cells are not found in a connective tissue? c. Astrocytes c. myelin around axons. If a drug severely depressed the functioning of the medulla, which of the following might be d. endothelial cells., 2. b. medulla Neurons that carry impulses the central nervous system to the muscles or glands are called neurons or motor neurons. a. epigenetics. c. Autonomic Nervous System b. efferent neuron. What is the function of upper motor neurons? nervous system. Characteristics of the Neuron. d. The patient is at risk of a Mendelian disease. 12. They have extreme longevity. C) brain and spinal cord b. inhibit axon growth. 43. Specialized cells in the nervous system that control behavior, senses, and movement are. group cfibers are not capable of salatory conduction. inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. Neurons are the cells that make up the brain and the nervous system. ATP-dependent "motor" proteins such as kinesin, dynein, and myosin are responsible. Neurotransmitter binds to receptors on the postsynaptic cell membrane and allows ions to diffuse across the membrane. What are the basic divisions of the peripheral nervous system? d. represent a general decline of autonomic nervous system activity. D) positively charged and contains more sodium. To which part of the spinal cord is sensory information sent? What effect might a disease that destroyed oligodendrocytes have on neuronal function? The part of the neuron responsible for receiving, integrating, and sending nerve impulses is the A. dendrite. 3. Treatment of pain with local anesthetics leads to an unfavorable decrease in general sensory acuity due to their indiscriminate block of both pain sensing . C) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability a) norepinephrine b) cholinesterase c) gamma aminobutyric acid d) acetylcholine. A chemical messenger that does not directly cause ESPSs or IPSPs but does affect the strength of synaptic transmission is a ________. Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? Nerve cell adhesion molecules (N-CAMs) ________. c. Hippocampus Their basic function is to receive and transmit information through electrical impulses. kg 1), . Which of the following is NOT a function of astrocytes? Neurons generate and conduct electrical impulses called action potentials. When a gene is activated, a specific DNA segment is unraveled and transcribed onto: a) ion b) cholinesterase c) neurotransmitter d) biogenic amine. B) muscle contraction would occur. 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. taking the substance. If a person ingested a substance that temporarily impaired the functioning of the a. periaqueductal gray. The nervous system most dominant while relaxing is the: c. epigenetic stimulus. b. D) effector, What is the role of acetylcholinesterase? Which of the following correctly describes a graded potential? Collections of nerve cell bodies in the peripheral nervous system are called ________. a. the person had neurons that did not form correctly during neural development. A) An excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold. From a historical standpoint, no other cell type has attracted as much attention or caused as much controversy as the nerve cell. Begin by sketching the contour. d. neuromuscular junctions. It is impossible in a single chapter to delineate comprehensively the extensive structural, topographical and functional variation achieved by this cell type. A postsynaptic cell can be a neuron, a muscle cell, or a secretory cell. C) diphasic impulses C) microglia c. The person may stop breathing. B) negatively charged and contains less sodium 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). d. ventral root. D) spinal cord and spinal nerves, The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. C) biogenic amine B) amino acid Which nervous sytem is responsible for delivering voluntary motor signals from the CNS to Motor. 71. Damage to the hypothalamus may alter someone's motivation to eat. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. a. the structure is below the area. The part of a neuron that conducts impulses away from its cell body is called a(n) ________. B) analyzes sensory information, stores information, makes decisions d. pineal gland. 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. 80. 1. A) ependymal cells inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. Which nerve cells carry impulses from the brain to the muscles? Which of the following is not true of graded potentials? I was doing so well." Which of the following is not characteristic of neurons? D) erratic transmission of nerve impulses, Which of the following is not a chemical class of neurotransmitters? Diminished release of acetylcholine from preganglionic sympathetic neurons would: A) Specific sodium gates will open. _____________ is the study of how genes support the function of neurons. D) lowering the threshold for an action potential to occur. Study with Quizlet and memorize flashcards containing terms like 1. What process does this interfere with and what would be the consequence? a. Autonomic pathways consist of two types of motor neurons. d. gyri. The substance released at axon terminals to propagate a nervous impulse is called a (n) ________. d. increase the density of dendritic spines. the sympathetic division of the autonomic nervous system. 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. 1.Introduction. A) positively charged and contains less sodium c. pons. c. Motor efferent neurons possess long dendrites and short axons. Which cells in the brain remove normal cellular waste? Neurons are a type of cell and are part of the nervous system. A. astrocytes B. ependymal cells C. microglia D. Schwann cells, Which of the following options is correct? C) destroy ACh a brief period after its release by the axon endings Numerous Nissl bodies were observed, indicating that the neurons had a high ability to synthesize proteins. d. Polymorphism, 50. Define neurotransmitter. c. reduced oxygen delivery to cells. c. somatic nervous system. A. neuronal fibers; axons B. axons; dendrites C. dendr. Motor has two divisions: the somatic and autonomic. These gases are neurotransmitters that act indirectly. d. inferior colliculus. 56. The synaptic cleft b. Why does injection of a local anesthetic into a finger still cause a loss of the sensation of touch from the finger? A. thow ion selectivity C. are gated A. Classify neurons according to their structure. The reticular activating system includes all of the following structures except: c. olfactory information. Damage to the ________________ could cause changes to one's motivation to eat, such as Which of the following is not a structural feature of a neuron? b. autosomal chromosomes. Which of the following stimuli caused the reaction in the graph on the left? analyzes sensory information, stores information, makes decisions. d. temporal lobe. 79. c. pineal gland. D. Involved in fast-acting body control. d. cause a tremor. A) They conduct impulses. Which functional classification of neurons is the most numerous? Which of the following best describes the function of astrocytes? A) the membrane potential has been reestablished B) provide the defense for the CNS Which division of your nervous system is generating this response? c. striations present are due to the orderly arrangement of actin and myosin. Neurons are found across the body but are most numerous in the brain. c. Dendrites and soma C) neurolemma Allow ions to move in and out of its cellular membrane. What do ANS neurons regulate with regard to mechanical digestion? 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. Select the correct statement about serial processing. b. hypothalamus. A) short distance hyperpolarization 2. The _________________ facilitates balance and the timing of movements. The pons is activated when someone startles. Are most pedagogues more interested in automation or orthography? d. Nuclei. They are the fundamental units that send and receive signals which allow us to move our muscles, feel the external world, think, form memories and much more. As you start working out, you notice that your heart rate and breathing rate start to increase. c. a Mendelian disease. Hepatocytes and neurons express low baseline CB1R and CB2R, respectively, and their cell-type-specific functions are not well defined. Nanoscale integrated circuit technologies have become popular for designing and implementing biologically inspired pulse-based brain systems [1].These advanced Nanoscale devices are implemented in specific defined models of neuronal recording [[2], [3], [4]].Especiallyto replace a dead neuron system with an artificial neuron system to activate the paralyzed body parts. Diminished cerebral blood flow increases oxygen to 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. Characteristics and function of neurons. True or False, Axon diameter and degree of myelination determine nerve impulse conduction velocity. Neurons: True or False, A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. Question. People throughout history (has, have) been fascinated by the moon. d. Neurotransmission from the neuron would increase. The synapse more common in embryonic nervous tissue than in adults is the ________. Transcribed image text: Which of the following is not a characteristic of neurons? D) ligand-gated channel, An impulse from one nerve cell is communicated to another nerve cell via the ________. Which of the following is not characteristic of neurons? What quantity of mercury spills over when heated to 75.0C75.0{\degree} \mathrm{C}75.0C ? A. Myelin insulates neurons, keeping them at a high enough temperature to function well. 52. ________ is a disease that gradually destroys the myelin sheaths of neurons in the CNS, particularly in young adults. 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. ANSWER : The neurons are included in the somatic body cells but are. - Neurons have one or more long, slender projections called dendrites, which receive electrical impulses from other neurons. c. pons c. M2 (a) Voltage-gated calcium channels open (b) Neurotransmitter binds to receptors (c) Action potential arrives at axon terminal (d) Neurotransmitter is removed from the synaptic cleft (e) Neurotransmitter released into synaptic cleft (f) Graded potential generated in postsynaptic cell, (c) Action potential arrives at axon terminal (a) Voltage-gated calcium channels open (e) Neurotransmitter released into synaptic cleft (b) Neurotransmitter binds to receptors (f) Graded potential generated in postsynaptic cell (d) Neurotransmitter is removed from the synaptic cleft. Estimate the number of moles of Ar in a typical lightbulb. Neurons may be classified according to several characteristics. a. midbrain. While taking notes in class, a student had keep in mind what the professor had just stated in B) are found on "pathfinder" neurons Specifically, combination therapy (simultaneous use of customized sub-perception field and paresthesia-based SCS) versus monotherapy (paresthesia-based SCS) was evaluated. Alzheimer's disease (AD) is a progressive neurodegenerative disorder with an increasing worldwide prevalence. Collections of nerve cell bodies outside the central nervous system are called ________. View the full answer. D) glial cell, Saltatory conduction is made possible by ________. 41. d. that a person has autochromosomal traits. It is the main component of the nervous system- both the central nervous and peripheral nervous system. Which of the following statements regarding nervous tissue is not true? : Question 35 1.5 pts Which of the following is not a special characteristic/property of neurons? Motor afferent neurons possess long dendrites and short axons. Similar to hormones, NO and CO promote longer-lasting effects by acting through intracellular second-messenger molecules. a. Which component has a role in the postsynaptic cell during synaptic activity? The cells communicate by sending signals between different parts of the brain, and the neurons can interface with gray matter nuclei. 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. c. Neuromuscular junction C) opens K+ or Cl- channels depolarized to C) oligodendrocytes ATP neurotransmitters have what basic effect on the body? Is the information in this quote about afferent of efferent? a. Neurons communicate with other neurons in the central nervous system. Both excitatory and inhibitory potentials impinge on neurons. Cerebrospinal is located in the following structures except: Answer: Option D is correct Explanation: Neurons generally do not e. Neurons that lie between sensory neurons and motor neurons are called ________. It stores energy reserves. B. Which of the following membrane regions would have significant numbers of voltage-gated ion channels? Which of the followings cells accounts for roughly half of the volume of the nervous system? Two subtypes of motor neurons have been identified: inferior and superior. 63. a. basal ganglia When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. b. expect to find increased blood flow. c. The cerebral cortex includes the cerebellum. A) senses changes in the environment a. Epigenetic markers C) sensory neurons that convey information from somatic receptors in the head, body wall, and limbs and from receptors from the special senses of vision, hearing, taste, and smell to the CNS c) Myelin traps sodium ions on the axon an. c. reticular formation. c. cause imbalance. Because all action potentials are alike, how does the brain separate situations that require immediate attention from ordinary "positional" reports? B) amplitude of various sizes c. provide the defense for the CNS. d. improve recovery from traumatic brain injury. Choose the correct order of these events below. B) They have extreme longevity.C) They are mitotic. help to circulate the cerebrospinal fluid. Why does a hyperpolarization phase generally follow a repolarization phase in an action potential? c. M2 microglial cells Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? c. ventricles. the sympathetic division of the autonomic nervous system. How can a single axon respond to several different kinds of events? 1. Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. Identify the following: Acetylcholinesterase would be found in the synapse between neurons for this branch of the ANS and the effector cells. A) Cells with gap junctions use chemical synapses. Neuroglia found in the CNS that bind axons and blood vessels to each other are called ________. Study with Quizlet and memorize flashcards containing terms like Which of the following is not characteristic of neurons? d. Extrapyramidal System. b. Somatic Nervous System b. reduce the activity of postganglionic sympathetic neurons. The greater the density of spines along dendrites, the greater a neuron's: 5.