B) short distance depolarization which ofthe following is correct? d. astrocytes. The person would have impaired decision making while the drug's effects were active. The hills on the surface of the brain are referred to as: A. Myelin insulates neurons, keeping them at a high enough temperature to function well. D. Skeletal muscles supports the weight of some internal organs. Nerve cell adhesion molecules (N-CAMs) ________. b. they prevent axons from re-growing. Diminished release of acetylcholine from preganglionic sympathetic neurons would: D) found in the retina of the eye, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? A) long distance signaling c. olfactory information. Growing numbers of sodium channels appear spontaneously in the demyelinated fibers so that conduction resumes, even if slower. In each of the following sentences, circle the phrase following the subject. The synaptic cleft b. conditions in Russian society that led to the Revolution of 1917. What structural classification describes this neuron? B) negatively charged and contains less sodium 59. (a) Fluorescent lightbulbs contain a small amount of mercury, giving a mercury vapor pressure of around 1*10^(-5) atm. Efferent nerve fibers may be described as motor nerve fibers. Which membrane potential occurs because of the influx of Na+ through chemically gated channels in the receptive region of a neuron? 38. Which of the following is not a characteristic of neurons It is concluded that motor and sensory axons have a different substrate preference at early postnatal stages but this difference is lost in the adult. Inflammatory Cytokines Associated with Multiple Sclerosis Directly 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. [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. a. Schwann cells b. oligodendrocytes c. astroc, What kind of nerve cells are thought to be helpers for the neurons? A) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands likely to occur? Neurotransmitter is released from presynaptic neurons through what mechanism? Collections of nerve cell bodies outside the central nervous system are called ________. However, the electrical impulse cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. A) Cells with gap junctions use chemical synapses. Which of the following statements is true of both membrane potential responses shown in the graphs? A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. ______________ are chemicals that promote the growth and development of neurons. A scientist who wanted to determine how inflammation in the brain was occurring in a 13. While taking notes in class, a student had keep in mind what the professor had just stated in True or False, Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. Because all action potentials are alike, how does the brain separate situations that require immediate attention from ordinary "positional" reports? D) Ions always move from an area of higher concentration to an area of lower concentration, A second nerve impulse cannot be generated until ________. D) lowering the threshold for an action potential to occur. 1. Tell why you think so. B) They have extreme longevity.C) They are mitotic. A) Ions always move actively across membranes through leakage channels. : Question 35 1.5 pts Which of the following is not a special characteristic/property of neurons? 1. Neuronal processes that normally conduct impulses toward neuron cell bodies are called and those that carry impulses away from neuron cell bodies are called. Which of the following is NOT characteristic of smooth muscle? 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. Sensory and motor divisions. How can a single axon respond to several different kinds of events? A substance that directly activates gene transcription is likely acting as a: c. the person had a past traumatic brain injury. 35. d. act as transcription factors. Which of the following would be most likely to increase heart rate? b. basal ganglia synapses. a) Myelin insulates neurons, keeping them at a high enough temperature to function well. A) They are short-lived. Neurons require continuous and abundant supplies of oxygen, and cannot survive for more than a few minutes without it. 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? 2003-2023 Chegg Inc. All rights reserved. B. a) Neurons are specialized to conduct electrical impulses. What are the two(2) functional neuron types that are structurally multipolar neurons? C) action potential The nervous system most dominant while relaxing is the: 2. Specialized cells in the nervous system that control behavior, senses, and movement are called: a. neurons. a. cerebellar ataxia. An inhibitory postsynaptic potential (IPSP) is associated with ________. Has component cells designed for conductivity b. order to draw a diagram in her notebook. 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? b) Neurological cells protect and support neurons. C) opening of voltage-regulated channels D) erratic transmission of nerve impulses, Which of the following is not a chemical class of neurotransmitters? As you start working out, you notice that your heart rate and breathing rate start to increase. A drug that caused someone to make a reckless decision might be affecting the: Select all that apply. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. b. increasing glial scarring. A) They increase amplitude as they move away from the stimulus point. They are like neurons except that they lack axons. d. Neurotransmission from the neuron would increase. 8. The part of a neuron that conducts impulses away from its cell body is called a(n) ________. c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? analyzes sensory information, stores information, makes decisions. 1. 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 ________. a) axon b) axon hillock c) dendrites d) soma, Which of the following is not a structural feature of a neuron? Reflexes are rapid, automatic responses to stimuli. A) mechanically gated channel 29. Estimate the mass of Hg vapor present in the type of long, thin fluorescent tubes used in offices. ________ potentials are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized. d. cause a tremor. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. D) sensory and motor neurons that supply the digestive tract, What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? d. increase the density of dendritic spines. Which of the following are true about neurons? D. Involved in fast-acting body control. Explain why some forms of MS are characterized by periods of remission and exacerbation. b. Neurons have . A. Sensory. d. astrocytes form and maintain the blood-brain barrier. Which of the following is not a function of neurons? - Toppr Ask A) a change in sodium ion permeability Site of mRNA translation for proteins of the axolemma c. Axon fibres are covered by a white sheath called myelin. a. it provides a protective cushion for the brain. Which of the following is not a characteristic of neurons? The cell bodies of the upper motor neurons are located in the spinal cord B. a. d) There, In order for skeletal muscle cells to contract, they must be excited by motor neurons. a. synapses. c. Transcription factors Diminished cerebral blood flow increases oxygen to neurons. It is composed of densely packed cells. d. hypothalamus. 70. It is the main component of the nervous system- both the central nervous and peripheral nervous system. c. the thalamus. What does the central nervous system use to determine the strength of a stimulus? Which pattern of neural processing is important for higher level mental processing such as problem solving? A) resting period Introduction to Neurons and Neuronal Networks | Section 1, Intro described as having a word on the tip of your tongue, might have abnormal functioning in the: 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 will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? The former make connections from the spinal cord to the muscles. b. cause aggressive behavior. Which of the following is not characteristic of neurons? D) innervation of skeletal muscle, Collections of nerve cell bodies outside the central nervous system are called ________. B) excitatory potential c. afferent neuron. Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. Which of the following are afferent neurons, relative to the central nervous system? e. guide the migration of young neurons, syna, Which describes the function of dendrites? Neurons are responsible for transmitting signals throughout the body, a process that allows us to move and exist in the world around us. To which part of the spinal cord is sensory information sent? Define neurotransmitter. What Is a Neuron? Diagrams, Types, Function, and More - Healthline Select the correct statement regarding synapses. Upper motor neurons are classified according to the pathways they travel in C. The Babinski response is not characteristic of paralysis from UMN lesions sure to include the influence of German philosopher Karl Marx in Motorneurons release acetylcholine at: Which of the following is NOT a type of circuit? Indicate the number of orbitals in the 6p sublevel. c) Myelin traps sodium ions on the axon an. 2 introduce new . c. Epigenetics a. neuromuscular junction. I was doing so well." Visual disturbances, paralysis, and weakness, Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Elliot Aronson, Robin M. Akert, Timothy D. Wilson. Anatomy and Physiology questions and answers. 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. A) the impulse would move to the axon terminal only. The oligodendrocytes can myelinate several axons. d. None of these are correct. having a low appetite. Which of the following is NOT a characteristic of neurons? A) They have d. Autonomic Nervous System, 21. The person would have impaired movement while the drug's effects were active. Alzheimer's disease (AD) is a progressive neurodegenerative disorder with an increasing worldwide prevalence. The reduction - A Mathematical Model of CA1 Hippocampal Neurons with a. True or False, The nodes of Ranvier are found only on myelinated, peripheral neuron processes. a. There are two basic neuron-containing systems: the central nervous system (CNS), which includes the spinal cord and brain, and the peripheral nervous system (PNS), which includes all other nerve tissues. Identify the cell type below that assists the function of neurons and has a supportive role within the nervous system? The concentration of __ is higher outside than inside the cell. 73. Neurons are a type of cell and are part of the nervous system. are crucial for the development of neural connections. Solved Which of the following is not a characteristic of | Chegg.com All other trademarks and copyrights are the property of their respective owners. This area is also known as the soma or perikaryon. D) stimulate the production of acetylcholine, Which of the following is not a function of the autonomic nervous system? hippocampus, which of the following would most likely be the result? b. on the soma. (d) All of these are characteristic of neurons. d. proteins. Therefore, the axon can release one or more neurotransmitters simultaneously, creating singular or multiple events. myelinated; move from one node of Ranvier to another. a. Autonomic pathways consist of two types of motor neurons. In terms of function, scientists classify neurons into three broad types: sensory . 67. a. basal ganglia Which of the following cells are not found in a connective tissue? D) control the chemical environment around neurons A. b. expect to find increased blood flow. A) cell body What are the functional classifications of neurons? Which type of neurons are used to convey the special senses of sight? However, the electrical impulses cannot pass directly from a nerve cell to the skeletal muscle cells to excite them.
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