d. Neurotrophins. Melatonin is released from the: Citation 17 - Citation 21 However, the effect of CH on axonal plasticity within the white matter following ischemic stroke is not known in detail. Which of the following is true about the movement of ions across excitable living membranes? b. Epigenetics 100% (3 ratings) Which of the following is NOT a characteristic of neurons? Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? C) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. Which of the following is NOT a function of astrocytes? Discovering that early life stress may cause polymorphisms that increase the risk of Which of the following describes the ANS? A. astrocytes B. ependymal cells C. microglia D. Schwann cells, Which of the following options is correct? Which of the following best describes the function of astrocytes? capacity of divide via mitosis due to absence of centrosomes. a. Dendrites and axon 62. A. c. Extrapyramidal System d. the person has a history of drug abuse. (organalle) inside them, which is necessary to formation of mitotic. 33. Chapter 16 Autonomic Nervous System Flashcards - Easy Notecards d. reduce cortical arousal. A) Sensory neuron B) Motor neuron C) Interneuron D) All of the above. A) peripheral and spinal nerves formation. D) potassium, Nerve cell adhesion molecules (N-CAMs) ________. The STN also forms a reciprocally connected network with the GABAergic external globus pallidus that converges onto common basal ganglia output neurons. They are robust signaling cells. They are electrically excitable cells which generate action potentials. B) muscle contraction would occur C) proteins have been resynthesized D. Skeletal muscles supports the weight of some internal organs. Is the information in this quote about afferent of efferent? 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. Name the two other neuron types which are cholinergic. The person may have constricted pupils. Because all action potentials are alike, how does the brain separate situations that require immediate attention from ordinary "positional" reports? 1. A) They conduct impulses. a. 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? b. Longevity 2. Neuronal processes that normally conduct impulses toward neuron cell bodies are called and those that carry impulses away from neuron cell bodies are called. a. B) anchor neurons to blood vessels ______________ are chemicals that promote the growth and development of neurons. Multiple Choice. When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. a. the structure is below the area. B) amplitude of various sizes c. M2 microglial cells c. The cerebral cortex includes the cerebellum. A) They increase amplitude as they move away from the stimulus point. C) neurolemma Diminished cerebral blood flow increases oxygen to neurons. a. postganglionic terminals. 48. Neurotransmitter is released from presynaptic neurons through what mechanism? Which of the following is not a characteristic of ion channels? depression would be an example of: are crucial for the development of neural connections. a. decrease a neurons's aerobic energy metabolism. (a) hardened cells and neurons (b) neurons and supporting cells (c) chondrocytes and neurons (d) neuronocytes and smooth muscle cells. C) ganglia The human body is made of about 100 billion neurons. Which of the following is not characteristic of neurons? Transcription factors increase or decrease gene transcription. Study with Quizlet and memorize flashcards containing terms like 1. Schwann cells are functionally similar to ________. 69. B) brain, spinal cord, and peripheral nerves c. decrease anxiety. C) voltage stimulus to initiate c. decrease the activity of postganglionic parasympathetic neurons. 13. a. anchor neurons to blood vessels. D) astrocytes, Immediately after an action potential has peaked, which cellular gates open? 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) negatively charged and contains less sodium 9. Overview of neuron structure and function - Khan Academy b. oligodendrocytes. (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) They can be called postsynaptic potentials. The resting membrane potential is maintained by Na+-K+ pumps that actively transport __ into and ___ out of the cell. c. Astrocytes c. reduced oxygen delivery to cells. The part of a neuron that conducts impulses away from its cell body is called a (n) ________. 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. B) amino acid Which of the following is not a chemical class of neurotransmitters? D) are crucial for the development of neural connections, An inhibitory postsynaptic potential (IPSP) is associated with ________. The landscaping business for the area totaled about$1,340,000 for the year. Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? In which area of the neuron is an action potential initially generated? d. transcription factor. 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. a. Neurons communicate with other neurons in the central nervous system. B) nerves B) type of stimulus receptor c. The output (. 10. a. sodium b. chloride c. calcium d. potassium, A neuron that has as its primary function the job of connecting other neurons is call a(n) _____. 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 . D) positively charged and contains more sodium. C) Sodium gates in the membrane can open in response to electrical potential changes. e. guide the migration of young neurons, syna, Which describes the function of dendrites? Neurons are a specific type of nervous system cell that is able to generate signals and transmit them to other neurons or target end-cells. 1. It stores energy reserves. C) innervation of glands b. Reactive astrocytes a. Oligodendrocytes A) ependymal cells 25. Get access to this video and our entire Q&A library. nerve impulses) Need constant supply of nutrients and oxygen O All of the listed answer choices . d. M1. d. Neurogenetics. Solved Which of the following is not characteristic of - Chegg kg 1), . A) ion 77. Psych 4035 Ch 3 Practice and Reading Quizzes, David N. Shier, Jackie L. Butler, Ricki Lewis, Charles Welsh, Cynthia Prentice-Craver, David Shier, Jackie Butler, Ricki Lewis, Chapter 3 Formatting Documents- Val Caylor. Which type of neurons are used to convey the special senses of sight? Diminished activation of postganglionic sympathetic neurons An experimental drug that reduces the release of chemicals that inhibit axon growth may: a. medulla. Strong stimuli cause the amplitude of action potentials generated to increase. d. a transcription factor. a. a. reduced cerebrospinal fluid. Which of the following portions of the neuron transmits neurotransmitters? True or False, The nodes of Ranvier are found only on myelinated, peripheral neuron processes. b. cerebrospinal fluid. 2. a. it provides a protective cushion for the brain. a. extrapyramidal motor system. c. cause imbalance. 1. Which of the following are functions of the CNS? A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. Some ions are prevented from moving down their concentration gradients by ATP-driven pumps. C) acetylcholine The interior is ________. b) Myelinated axons transmit nerve impulses in the same manner as unmyelinated axons. b. polymorphism. d. Interneurons, 16. A) peripheral and spinal nerves B) brain, spinal cord, and peripheral nerves C) brain and spinal cord D) spinal cord and spinal nerves. Nervous system - The neuronal membrane | Britannica All of the following describe functions for cerebrospinal fluid except: d. They are the same as any other cells. d. Sympathetic ganglion, 24. c. working memory. a. temporal lobe. b. it provides a medium for nutrients to cells. A severe tremor in someone's hands could be caused by abnormal functioning in the: b. a Mendelian disease. d. The patient is at risk of a Mendelian disease. A scientist who wanted to determine how inflammation in the brain was occurring in a Hepatocytes and neurons express low baseline CB1R and CB2R, respectively, and their cell-type-specific functions are not well defined. True or False, Some neurotransmitters can be either excitatory or inhibitory depending upon the receptor. C. Afferent. c. a ventricle. 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? Inhibitory postsynaptic potentials (IPSPs) are "firing," but due to the neurotransmitter released and its action, the postsynaptic neuron is inhibited from "firing" (hyperpolarized). D) tracts, The term central nervous system refers to the ________. 19. Which Of The Following Is Not A Characteristic Of Neurons b. thalamus. 47. Which functional classification of neurons is the most numerous? 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 d . What is the long outgrowth of a neuron along which electrical impulses are transmitted? A) long distance signaling Which of the following is not a characteristic of neurons View the full answer. Why? DI) They have an exceptionally high metabolic rate. Which of the following is not a structural feature of a neuron? A) postsynaptic potential Identify the cell type below that assists the function of neurons and has a supportive role within the nervous system? b. efferent neuron. Briefly describe 6 effects this division has on the body. 49. 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. What market share did Mountainside have? (a) They conduct impulses. D. Association Central Nervous System. Required fields are marked. certain disorder would most likely investigate which of the following? D) They have an exceptionally high metabolic rate. B) Ions always move passively across membranes. Neurotransmitter binds to receptors on the postsynaptic cell membrane and allows ions to diffuse across the membrane. C) association neuron The actual cause of the neurodegenerative component of the disease is however unclear. a. Doral root Stimulation of initial axon segment Define neurotransmitter. A) origin of the stimulus Which of the following is not characteristic of - Course Hero Immediately after an action potential the potassium gates, being slow gates that do not respond to change in the electrical charge, allow additional K+ ions to flood into the cell. 14. D. axon hillock. The concentration of __ is higher outside than inside the cell. a. inhibit the production of neurotrophins. c. Inhibited digestion What are the cells that transmit nerve impulses between parts of the nervous system? b. they prevent axons from re-growing. The cerebral cortex is located in the forebrain. b. Sensory afferent neurons possess long dendrites and short axons. The synapse more common in embryonic nervous tissue than in adults is the ________. a. pituitary gland. C) serotonin c. synapses. That is, they have a single axon and many dendrites. 8. channels open Influx of Na+ AP regenerated in An impulse from one nerve cell is communicated to another nerve cell via the ________. Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? D) found in the retina of the eye, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? d. pineal gland. c. olfactory information. In each of the following sentences, circle the phrase following the subject. Neurons: If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. Multiple sclerosis (MS) is a disease in which the myelin sheaths are destroyed.
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