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62. The parasympathetic division includes the splanchnic nerves. Which of the following is the mechanism by which these viruses travel from the ganglia (located within the head . C) microglia Conduct chemo-electrical impulses. A) motor neurons capacity of divide via mitosis due to absence of centrosomes. c. hindbrain. d. temporal lobe. c) Myelin traps sodium ions on the axon an. DI) They have an exceptionally high metabolic rate. c. interneurons make inhibitory connections with damaged neurons. Although neurologic recovery is complete, amnesia for the event persists. a. All rights reserved. d. pineal gland. a. impair memory. If an experimental drug produced physiological effects similar to nitric oxide, then a b. cerebellum. B) repolarization Upper motor neurons are classified according to the pathways they travel in C. The Babinski response is not characteristic of paralysis from UMN lesions The interior is ________. 1. (d) All of these are characteristic of neurons. Which of the followings cells accounts for roughly half of the volume of the nervous system? What structural classification describes this neuron? C) responds to stimuli by gland secretion or muscle contraction, The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. acetylcholine 11. 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. C. They are mitotic. A) Sensory neuron B) Motor neuron C) Interneuron D) All of the above. a. Epigenetic markers The Quadratic Formula from Kinematics In this problem we show how the kinematic equations of motion can be used to derive the quadratic formula. What are the advantages and disadvantages of Europe's communications systems? 43. Sensory and motor divisions. The person may have an increase in heart rate. d. Sympathetic ganglion, 24. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. d. improve recovery from traumatic brain injury. d. Hypothalamus, 37. d. Interneurons, 16. Has component cells designed for conductivity b. D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. C) voltage stimulus to initiate 31. Which of the following correctly describes a graded potential? Neurons that lie between sensory neurons and motor neurons are called ________. Reflexes are rapid, automatic responses to stimuli. ________ are found in the CNS and bind axons and blood vessels to each other. 57. d. medulla. If a physician identified her patient as a low drug metabolizer, which of the following is most Select the correct statement regarding synapses. Discovering that early life stress may cause polymorphisms that increase the risk of When the neurons were damaged, the number of Nissl corpuscles decreased significantly . Neurons are a type of cell and are part of the nervous system. Which of the following describes the ANS? A researcher found that a drug increased heart rate. March 17, 2022. c. preganglionic terminals. 9. Which of the following is not true of graded potentials? What are the neuron functions for the peripheral nervous system? A. thow ion selectivity C. are gated A. c. Inhibited digestion b. astrocytes respond to injury. a. cerebral aqueduct. d. Neurons. The axon hillock is located: The interior is ________. What is an example of a presynaptic cell? d. They are the same as any other cells. a. other neurons b. muscles c. glands d. all of the above, All of the following are characteristics of sympathetic preganglionic neurons EXCEPT: a. - Neurons have a cell body, which contains the majority of the cell's organelles. A) They increase amplitude as they move away from the stimulus point. D) spinal cord and spinal nerves, The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. An inhibitory postsynaptic potential (IPSP) is associated with ________. The part of a neuron that conducts impulses away from its cell body is called a(n) ________. Which of the following statements is true? c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? c. end terminus. Neuroglia (a) conduct electrical impulses, (b) are nerve stem cells, (c) are support cells that aid neurons, (d) are an abnormal growth of neural tissue. D) A single type of channel will open, permitting simultaneous flow of sodium and potassium. b. Choose the correct order of these events below. How are women stereotyped by men in Lamb to the Slaughter by Roald Dahl? Which of the choices below describes the ANS? C) They increase amplitude as they move away from the stimulus point. 1. c. ventricles. A) An excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold. d. RNA. C) Sodium gates in the membrane can open in response to electrical potential changes. The characteristic neurologic picture including loss of consciousness, temporary respiratory arrest, and loss of reflexes. 52. What parts of a neuron are completely contained within a ganglion? a. corpus callosum. 76. The frequency of impulse transmission indicates the stimulus intensity and the brain responds appropriately. 75. Which of the choices below describes the ANS? b. the medulla. hippocampus, which of the following would most likely be the result? d . A) resting period The greater the density of spines along dendrites, the greater a neuron's: 5. Traub et al. In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? What are the two(2) functional neuron types that are structurally multipolar neurons? Which of the following membrane regions would have significant numbers of voltage-gated ion channels? 1. Longevity 2. Anatomy and Physiology questions and answers. These K+ ions decrease the positive ion concentration momentarily below the normal -70mV and thus hyperpolarize the cell. C) An excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold. a) norepinephrine b) cholinesterase c) gamma aminobutyric acid d) acetylcholine. Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? D) tracts, The term central nervous system refers to the ________. C) innervation of glands A patient is admitted to the hospital with exacerbation of multiple sclerosis (MS). c. Motor neurons. What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? d. cause a tremor. a. alertness. 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. b. a Mendelian disease. depolarized to Which pattern of neural processing is important for higher level mental processing such as problem solving? the sympathetic division of the autonomic nervous system. C) action potential a. Integrate. Which of the following is not a characteristic of neurons? b. cholinesterase. a. Pons innervation of glands. Enkephalins and endorphins are peptides that act like morphine. What functional class of neuron carries impulses away from the CNS to muscles or glands? 10. stem c.) muscles d.) osteocytes. D) found in the retina of the eye, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? a. postganglionic terminals. Neurons are the basic functional units of the nervous system, and they generate electrical signals called action potentials, which allow them to quickly transmit information over long distances. A gap between Schwann cells in the peripheral system is called a(n) ________. The pathogenesis of the sudden disruption of neurologic function is unknown; it probably involves dysregulation of the reticular activating system in . B They have extreme longevity. glia b.) Which of the following is not a function of the autonomic nervous system? What is the function of upper motor neurons? Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. The majority of these axonal knobs are shown to be "firing." C) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability c. synapses. What are the basic divisions of the peripheral nervous system? A) short distance hyperpolarization c. The person would later be unable to recall events that took place for some period of time after It is impossible in a single chapter to delineate comprehensively the extensive structural, topographical and functional variation achieved by this cell type. a. Oligodendrocytes A) efferent neuron Diminished cerebral blood flow increases oxygen to neurons. Group C fibers are not capable of saltatory conduction. Which of the following is not a function of the autonomic nervous system? Show the details. Enkephalins and endorphins are peptides that act like morphine. C. Myelin traps sodium ions in the ax. A disease that destroyed astrocytes would be expected to: a. the structure is below the area. D) innervation of skeletal muscle, Collections of nerve cell bodies outside the central nervous system are called ________. D. Association Central Nervous System. The former make connections from the spinal cord to the muscles. Schwann cells are functionally similar to ________. a. A) sodium A drug that reduces the activity of the amygdala would likely: A) Group C fibers are not capable of saltatory conduction. 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 postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. The parasympathetic nervous system prepares the body for rigorous activity. a. Oligodendrocytes Some axon terminals contain more than one kind of neurotransmitter. Which cell causes endothelial cells to fit closely together? a. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. 73. Answer (1 of 3): So a neuron is a specialized cell in the brain with certain characteristics. the somatic nervous system. The human body is made of about 100 billion neurons. Name the following: Nervous tissue cells that regulate the chemical environment of neurons. A) origin of the stimulus b. Medulla d. hypothalamus. Do not divide - (neural stem cells are an exception) 3. b. reduce the activity of postganglionic sympathetic neurons. d. a transcription factor. Which of the following is not a special characteristic of neurons? (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? It is composed of densely packed cells. ________ is a disease that gradually destroys the myelin sheaths of neurons in the CNS, particularly in young adults. c. genes. b. Neurons would be unable to form the blood-brain barrier. e. neurons that innervate smooth muscle are under involuntary control. c. that a person is genetically male. Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. b. Neurotransmitters Which of the following cells are not found in a connective tissue? The GBA gene encodes the lysosomal enzyme glucocerebrosidase (GCase). Both responses are examples of graded potentials. Which division of your nervous system is generating this response? b. auditory information. d. at the axon terminal. It stores energy reserves. Select the correct statement regarding synapses. b. that a person is genetically female. destroy ACh a brief period after its release by the axon endings. b. hindbrain. d. cerebral blood vessels. c. olfactory information. Answer: Option D is correct Explanation: Neurons generally do not e . The concentration of __ is higher outside than inside the cell. c. Motor efferent neurons possess long dendrites and short axons. Resting potentials are not just characteristics of nerve cells; all cells in the body have resting potentials. c) Neurons are the most abundant type of cell in nervous tissue. What type of neuron connects sensory and motor neurons in neural pathways? 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 thalamus routes all types of sensory information except: 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. a. synapses. The actual cause of the neurodegenerative component of the disease is however unclear. Nerve cell adhesion molecules (N-CAMs) ________. 2. The synaptic cleft b. A) They conduct impulses. (a) hardened cells and neurons (b) neurons and supporting cells (c) chondrocytes and neurons (d) neuronocytes and smooth muscle cells. a. medulla. b. expect to find increased blood flow. a. a. Schwann cells b. oligodendrocytes c. astroc, What kind of nerve cells are thought to be helpers for the neurons? d. Neurotrophins. If a loud noise made you jump, which structure was most likely responsible for this Neurons that carry impulses the central nervous system to the muscles or glands are called neurons or motor neurons. What is the function of dendrites in a neuron? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. a. the classification is based on the number of processes extending from the cell body b. multipolar neurons have several axons and one dendrite c. most neurons in the; Which of the following neurons forms the blood-brain barrier? Multiple Choice. d. support and brace neurons. During depolarization, the inside of the neuron's membrane becomes less negative. ce3z/(4zi)3dz_ce^{3z}/(4z-i)^3dz Which of the following is NOT a function or characteristic of neurons? Tell why you think so. A) mechanically gated channel 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) Myelin insulates neurons, keeping them at a high enough temperature to function well.