which of the following is not characteristic of neurons?

[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. What is the function of dendrites in a neuron? B) nerves Even though someone is diagnosed with MS, the axons are not damaged. True or False, Axon diameter and degree of myelination determine nerve impulse conduction velocity. b. smooth muscle cells are uninucleated. b. polymorphism. likely to occur? a. Which of the following best describes the function of astrocytes? c. afferent neuron. We used embryonic stem cell-derived (H9) human neuronal stem cells . specific or different from others in some way that they do not have. c. hindbrain. Which of the choices below describes the ANS? The characteristic neurologic picture including loss of consciousness, temporary respiratory arrest, and loss of reflexes. The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. b. thalamus. Some neuroglia remove debris and foreign material from the nervous system. b. B) innervation of cardiac muscle C) brain and spinal cord Neurons are a type of cell and are part of the nervous system. b. oligodendrocytes. ce3z/(4zi)3dz. Cell body c. Ganglion d. Axon, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? b. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. hippocampus, which of the following would most likely be the result? d. reduce cortical arousal. D) biogenic amine, A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. 3. c. olfactory information. C) voltage stimulus to initiate From a historical standpoint, no other cell type has attracted as much attention or caused as much controversy as the nerve cell. Efferent neurons are ___ neurons carrying impulses to the muscles. 53. b. Epigenetics b) Neurological cells protect and support neurons. a. M4 C. Afferent. If a neuroscientist stated that a brain structure had efferent neurons, what can be concluded? C) frequency of action potentials D) control the chemical environment around neurons a. Sensory neurons. In two words, the functions of neuron tissue that we can specify is that the integration, and communication are the main function of this specialized tissue. d. hippocampus. This results in increased speed of impulse propagation. A) axon The frequency of impulse transmission indicates the stimulus intensity and the brain responds appropriately. Two subtypes of motor neurons have been identified: inferior and superior. (a) dendrites (b) cell body (c) myelin (d) axon terminal. Neurons require continuous and abundant supplies of oxygen, and cannot survive for more than a few minutes without it. Identify the neuron type described: Two neuron types whose cell bodies are in the spinal cord (CNS). motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. 43. b. inhibit axon growth. Neurons in the CNS are organized into functional groups. The CNS contains about 100 billion neurons, on the periphery - about 25 million.<br><br>The neuron is covered by a membrane that forms a closed space . D) gamma aminobutyric acid, Which of the following describes the nervous system integrative function? What is the role of calcium in synaptic activity? 20. Which of the following is not a special characteristic of neurons? b. thalamus. Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? What portion of the neuron receives signals from other neurons? Discover and discuss the meaning of dendrites, axon, membrane polarization, membrane depolarization, and synapses. A) the myelin sheath What does myelin do for neurons? Integrate. These include nerve cells (or neurons) and glial cells (or glia ). c. the person had a past traumatic brain injury. A) support and brace neurons The human body is made of about 100 billion neurons. c. The output (. 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. 12. What are the properties of myelinated axons which makes them ideal for long-distance motor control of skeletal muscle? A drug that caused someone to make a reckless decision might be affecting the: b. transcription factors. In your opinion, is "A Christmas Memory" merely a vivid portrayal of a memory, or does it also convey a theme, or message? B) repolarization b. Neurons are found across the body but are most numerous in the brain. _____________ is the study of how genes support the function of neurons. Methods: Participants were prospectively enrolled . ependymal cells____ help to circulate the cerebrospinal fluid: which of the following is an excitatory nerotransmitter secreted by motor neurons innervating skeletal muscles? When a gene is activated, a specific DNA segment is unraveled and transcribed onto: 18. 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. a) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands b) motor fibers that conduct nerve impulses from the CNS to skeletal muscles c) sensory and motor neurons t. 1. Just what does pass from the neurons to the muscle c. Neurons are specialized cells that can do which of the following that most other cells cannot do? Which of the following statements regarding nervous tissue is not true? D) erratic transmission of nerve impulses, Which of the following is not a chemical class of neurotransmitters? d. cause a tremor. Which cell causes endothelial cells to fit closely together? Conduct chemo-electrical impulses. The GBA gene encodes the lysosomal enzyme glucocerebrosidase (GCase). Begin by sketching the contour. C) action potential b. glial cells. True or False, Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. 56. Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue (s). a. Basal ganglia c. Oligodendrocytes 57. An impulse from one nerve cell is communicated to another nerve cell via the ________. 68. Unipolar,Bipolar,Multipolar. the afferent division of the nervous system. 11. 7. c. Electrical impulses would be unable to travel down axons. True or False, The overlapping functions of the nervous system are sensory input, integration, and motor output. C) depolarization b. increasing glial scarring. B) anchor neurons to blood vessels b. that a person is genetically female. b) Myelin prevents conduction of electricity from the axon hillock to the axon terminal. Which of the following is not true of graded potentials? are crucial for the development of neural connections. These cells have a star-like shape and a central body that contains the . What symptoms would a nurse focus on in his or her care of a patient with multiple sclerosis? D) lowering the threshold for an action potential to occur. A) a change in sodium ion permeability C) receptor Ans: they are mitotic Unli . 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. Preganglionic neurons are located in the brain stem and sacral segments of the spinal cord. c. pons. c. provide the defense for the CNS. c. M2 Similar to hormones, NO and CO promote longer-lasting effects by acting through intracellular second-messenger molecules. researcher would: Functions. Question. your answer. Enkephalins and endorphins are peptides that act like morphine. Neuroglia perform supportive functions in the brain. A patient is admitted to the hospital with exacerbation of multiple sclerosis (MS). a. cerebellar ataxia. C) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. the sympathetic division of the autonomic nervous system. B) amplitude of various sizes a. regenerating axons may be unable to regain previous connections through the site of injury. Which of the following is not true concerning the structural classification of neurons? Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. The term central nervous system refers to the ________. the sympathetic division of the autonomic nervous system. When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. b. the blood-brain barrier A) They conduct impulses. 1. d. Neurons. 3. The comparison demonstrates that the suggested controller closely tracks the reference voltage than the . They are like neurons except that they lack axons. The Quadratic Formula from Kinematics In this problem we show how the kinematic equations of motion can be used to derive the quadratic formula. As you start working out, you notice that your heart rate and breathing rate start to increase. D) A single type of channel will open, permitting simultaneous flow of sodium and potassium. C. Skeletal muscles are responsible for the pumping action of the heart. b. Axon and soma Answer: They are constantly dividing Explanation: Neurons are like different cells in the body on the grounds that: Neurons are encircled by a cell . They propel cellular components along microtubules. a. medulla. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. b. Constricted airways The interior is ________. 78. ________ potentials are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized. What is the role of microglial cells and why are they so important in the CNS? c. It is avascular. a. alertness. b. Medulla What is a credit line? b. increased heart rate. 62. Which of the following are true about neurons? destroy ACh a brief period after its release by the axon endings. Then, underline the verb in parentheses that agrees with the subject. D) A small . a. medulla. A) Sensory neuron B) Motor neuron C) Interneuron D) All of the above. Identify the neuron type described: A functional neuron type most prevalent in the CNS. d. that a person has autochromosomal traits. Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? B) hyperpolarization 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) _____. GABA and glycine are amino acid neurotransmitters; dopamine and norepinephrine are catecholamines; and endorphin and enkephalin are peptide transmitters. a. improve working memory. a. Neurogenetics B) excitatory potential muscles throughout the body? What does the central nervous system use to determine the strength of a stimulus? Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? The cerebral cortex has features called gyri and sulci. A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. b. Somatics A) positively charged and contains less sodium A. C) oligodendrocytes Relative to the prefrontal cortex, the neuron would be called a(n): Which of the following are afferent neurons, relative to the central nervous system? The p.N370S substitution causes a violation of the enzyme conformation, which affects its stability in the cell. 30. 1. b. cingulate cortex. True or False, If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and destroy them. A) They increase amplitude as they move away from the stimulus point. b. What are the basic divisions of the peripheral nervous system? The synaptic cleft b. a. midbrain. c. The person would later be unable to recall events that took place for some period of time after D) moves membrane potential away from threshold. (a) Cell body (b) Dendrites (c) Axon (d) All of the above are structural features of a neuron. The concentration of __ is higher inside than outside the cell. a. Epigenetic markers a. temporal lobe. D) They are short-lived. C) Group B fibers are highly myelinated and have the highest conduction velocities. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. 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). c. pineal gland. The substance released at axon terminals to propagate a nervous impulse is called a (n) ________. b. Reactive astrocytes Expert Answer. c. Proteoglycans See Page 1. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Which of the following portions of the neuron transmits neurotransmitters? 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. c. enhance the activity of reactive astrocytes. Transcription factors increase or decrease gene transcription. 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? D) Schwann cells, Schwann cells are functionally similar to ________. d. pineal gland. b. basal ganglia synapses. During depolarization, the inside of the neuron's membrane becomes less negative. Neurons are the cells that make up the brain and the nervous system. c. Hippocampus I was doing so well." Specialized cells in the nervous system that control behavior, senses, and movement are called: a. neurons. d. oligodendrocytes fail to myelinate re-growing axons. a. periaqueductal gray. C) Sodium gates will open first, then close as potassium gates open. The interior is ________. The person would have impaired decision making while the drug's effects were active. A) the impulse would move to the axon terminal only B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. A) ependymal cells D) potassium, Nerve cell adhesion molecules (N-CAMs) ________. Ganglia are on or near the target organ. d . c. lead to foreign substances entering the brain from the circulatory system. The oligodendrocytes can myelinate several axons. d. proteins. c. synapses. Which of the following is not characteristic of neurons? a. synapses. A researcher found that a drug increased heart rate. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. Tell why you think so. a. Functional genomics Diminished release of acetylcholine from preganglionic sympathetic neurons would: B) the Na ions have been pumped back into the cell The person would have impaired movement while the drug's effects were active. Damage to the ________________ could cause changes to one's motivation to eat, such as A) support and brace neurons The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. The person may have constricted pupils. 1. A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. B They have extreme longevity. Motor afferent neurons possess long dendrites and short axons. 73. D) absolute refractory period. a. Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue(s). A. Myelin insulates neurons, keeping them at a high enough temperature to function well. The former make connections from the spinal cord to the muscles. 19. DI) They have an exceptionally high metabolic rate. a. Oligodendrocytes b. certain disorder would most likely investigate which of the following? 4. 3. d. parasympathetic nervous system. A) They are short-lived. 63. Oligodendrocytes form: What two physiological characteristics are highly developed in the neurons? b. hypothalamus That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. C) are crucial in the production of neurotransmitters What structural classification describes this neuron? b. a Mendelian disease. C) microglia B) endorphin A. Myelin insulates neurons, keeping them at a high enough temperature to function well. a. Neurons communicate with other neurons in the central nervous system. d. astrocytes. They have high energy requirements (about 20 per. Anatomy and Physiology questions and answers. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. The neuronal membrane. C) diphasic impulses Answer: Option D is correct Explanation: Neurons generally do not e. Its structure is multipolar. c. the thalamus. Which of the following is not characteristic of neurons. 79. Which type of microglial cells promote inflammation? c. Transcription factors d. Interneurons, 16. Which of the following is not characteristic of neurons? Which of the choices below describes the ANS? Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. a. forebrain. b. C) serotonin Central Nervous System Which of the following correctly describes a graded potential? 15. 39. a. epigenetics. A) motor neurons 42. Which of the following is an EXCITATORY neurotransmitter secreted by motor neurons innervating skeletal. High metabolic rate C. Require continuous supplies of glucose and oxygen D. Extreme longevity E. No exceptions; all of these are characteristic of neurons. C) neurolemma c. Cerebellum The landscaping business for the area totaled about$1,340,000 for the year. Identify the cell type below that assists the function of neurons and has a supportive role within the nervous system? C) ganglia 4. The pons is activated when someone startles. 47. To find the time when this object reaches the position x=0x=0x=0 we can use the quadratic formula, or apply the following two-step procedure: (a) Use Equation v2=v02+2a(xx0)=v02+2axv^2=v_0^2+2 a\left(x-x_0\right)=v_0^2+2 a \Delta xv2=v02+2a(xx0)=v02+2ax to show that the velocity of the object when it reaches x=0x=0x=0 is given by v=v022ax0v=\pm \sqrt{v_0^2-2 a x_0}v=v022ax0. (d) All of these are characteristic of neurons. What are the different classes of neurons and their functions? A neuron consists of a nucleus, a region of tissue that contains the cell body. . 22. What are the advantages and disadvantages of Europe's communications systems? However, the resting membrane potential in three types of neurons was not significantly different in the present study; therefore the 5-HT . C) proteins have been resynthesized Neurons that lie between sensory neurons and motor neurons are called ________. 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. _____________ is a process for responding to brain injury. B) microglia b. cholinesterase. Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________.

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