ce3z/(4zi)3dz_ce^{3z}/(4z-i)^3dz Combination therapy with simultaneous delivery of spinal cord The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. 73. (a) Cell body (b) Dendrites (c) Axon (d) All of the above are structural features of a neuron. D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. 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. B. b. inhibit axon growth. The following is a list of characteristics of neurons: - Neurons are cells that specialized in the transmission of electrical impulses. WHICH OF THE FOLLOWING IS TRUE REGARDING UMNS ? 42. (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. Responding to brain injury is an important function of astrocytes. d. The blood-brain barrier, 17. b. Reactive astrocytes your answer. D) glial cell, Saltatory conduction is made possible by ________. Which does NOT describe nervous tissue? The p.N370S substitution causes a violation of the enzyme conformation, which affects its stability in the cell. C) opens K+ or Cl- channels b. When a gene is activated, a specific DNA segment is unraveled and transcribed onto: c. M2 Indicate the number of orbitals in the 6p sublevel. 25. 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. A) ependymal cells Sensory receptors for touch (and pressure) respond to physical deformation of the receptors, resulting in the opening of specific mechanically gated ion channels. d. Polymorphism, 50. a. improve working memory. Characteristics of the Neuron - Basic Neurochemistry - NCBI Bookshelf The axon c. The dendrites d. The Nissl bodies. What mechanism is responsible for axonal transport? 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? The cell bodies of the upper motor neurons are located in the spinal cord B. Solved Which of the following is NOT true about neuroglia - Chegg High mitotic rate B. Which of the following is not characteristic of neurons? d. The person would have dulled senses for some period of time after taking the substance. b. thalamus. Give a valid explanation of why this could occur. 1. a. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. Multiple Choice. The frequency of impulse transmission indicates the stimulus intensity and the brain responds appropriately. Which pattern of neural processing is important for higher level mental processing such as problem solving? She asks the nurse,"Why did this have to happen to me again? What functional class of neuron carries impulses away from the CNS to muscles or glands? b. the medulla. D) generator potential. According to the humidity characteristics of PEMFC, Vinu et al. Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic and a postganglionic neuron? Schwann cells are functionally similar to ________. A. Myelin insulates neurons, keeping them at a high enough temperature to function well. The cerebral cortex is located in the forebrain. C) receptor A) ependymal cells a. epigenetics. b. glial cells. Which of the following are the cells of nervous tissue? Central Nervous System Saltatory conduction is made possible by ________. Neurons create extensive communication networks throughout the nervous system. a. Activation of preganglionic sympathetic neurons March 17, 2022. 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. ce3z/(4zi)3dz. Discovering that someone has glial scars means suggests that: c. that a person is genetically male. Deep brain imaging on the move | Nature Methods Motor afferent neurons possess long dendrites and short axons. order to draw a diagram in her notebook. myelinated; move from one node of Ranvier to another. d. a transcription factor. Which functional classification of neurons is the most numerous? [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 is not characteristic of neurons? (a) They The person would have impaired movement while the drug's effects were active. 70. Which of the following is not a function of the autonomic nervous system? The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. As you start working out, you notice that your heart rate and breathing rate start to increase. Classify neurons according to their function. b. oligodendrocytes. Module 5 Enhancement Question Cabangil 1J-1 FF a. d. act as transcription factors. Which of the following is true about the movement of ions across excitable living membranes? a) axon b) axon hillock c) dendrites d) soma, Which of the following is not a structural feature of a neuron? c. pons A gap between Schwann cells in the peripheral system is called a(n) ________. When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. A severe tremor in someone's hands could be caused by abnormal functioning in the: C) microglia c) Neurons are the most abundant type of cell in nervous tissue. Discovering that early life stress may cause polymorphisms that increase the risk of C ) brain and spinal cord. b. A) senses changes in the environment Chapter 11 Test Questions Flashcards | Quizlet People throughout history (has, have) been fascinated by the moon. All of the following describe the functions of astrocytes except: 25 26 Which of the following is not a special characteristic of neurons b. Which of the following is NOT a special characteristic of neurons a a. Autonomic pathways consist of two types of motor neurons. The function of neurons is to communicate information from one part of the body to other parts. A. thow ion selectivity C. are gated A. d. the hypothalamus. The principles outlined above can be applied to the neuron and its ionic contents.. ATP neurotransmitters have what basic effect on the body? Biochemical Characteristics of iPSC-Derived Dopaminergic Neurons from 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 Which of the following is correct? b. forebrain. c. Autonomic Nervous System What type of channel on the postsynaptic membrane binds neurotransmitter? c. gene duplication. Its structure is multipolar. The STN also forms a reciprocally connected network with the GABAergic external globus pallidus that converges onto common basal ganglia output neurons. Which of the following is false or incorrect? a. norepinephrine. b. they prevent axons from re-growing. inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. Resting potentials are not just characteristics of nerve cells; all cells in the body have resting potentials. If a physician identified her patient as a low drug metabolizer, which of the following is most Select the correct statement regarding synapses. 66. B) anchor neurons to blood vessels 12. Oligodendrocytes form and maintain the blood-brain barrier. D) found in the retina of the eye, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? D. Association Central Nervous System. 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. Which of the following statements is incorrect? c. meninges. c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? Neurotransmitter is released from presynaptic neurons through what mechanism? a. Axons b. Neurons c. Neuroglia d. Synapses e. Type A fibers, Which of the following parts of a neuron contain excitable membranes? Which of the following describes the excitatory postsynaptic potential? 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. All preganglionic neurons in the ANS are cholinergic. a. The characteristics that vary on a continuum among people, such as height, skin color, or intelligence, are most likely determined by polygenic inheritance. If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. A genetic mutation caused by an error in replicating or repairing a gene is called: Which statement is true? Central Nervous System Expert Answer. c. Proteoglycans In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. Contains cells with macrophage activity c. Exhibits regenerative capacities d. Contains lymphatic vessel. b. Neurons would be unable to form the blood-brain barrier. a. The Quadratic Formula from Kinematics In this problem we show how the kinematic equations of motion can be used to derive the quadratic formula. (organalle) inside them, which is necessary to formation of mitotic. Which of the following describes the ANS? a. Doral root Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. A) the impulse would move to the axon terminal only C) They are mitotic. b. ANS stimulation of involuntary effectors is always excitatory. Neurons are located both in the CNS and on the periphery. d. the structure is anterior to the area. D) They are short-lived. Stimulation of initial axon segment The hypothalamus is located in the: A) Group C fibers are not capable of saltatory conduction. A. Specific instructions that encode for traits are called: Which of the following is not a function of astrocytes? d. The person may have motor tremor. b. increased heart rate. a. Which of the following mechanisms is most significant in returning Na+ and K+ concentrations to resting ionic conditions (from point D to point E)? The part of a neuron that sends neurotransmitters into a synapse is called a(n): 6. Free Flashcards about ap chap 11 - StudyStack What are the possible responses? C. They are mitotic. Which of the following is not a function of the autonomic nervous system? A) They are short-lived. c. end terminus. Characteristics Of Neurons. a. meninges. c. Myasthenia Gravis. a. astrocytes play a role in neurotransmission. C) ganglia B) They can form on receptor endings. a. 2003-2023 Chegg Inc. All rights reserved. innervation of skeletal muscle. d. astrocytes. d. None of these are correct. A) astrocytes B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. We investigated here the direct and differential effects of inflammatory mediators on human neurons. c. cause the release of neurotrophins. Some ions are prevented from moving down their concentration gradients by ATP-driven pumps. c. The person may stop breathing. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place.
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