which of the following is not characteristic of neurons?

Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. Citation 17 - Citation 21 However, the effect of CH on axonal plasticity within the white matter following ischemic stroke is not known in detail. D) erratic transmission of nerve impulses, Which of the following is not a chemical class of neurotransmitters? D) They can be called postsynaptic potentials. 1. Group of answer choices: Neuroglia refer to neurons with axons coated in myelin. What type of neuron connects sensory and motor neurons in neural pathways? Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. Contains lymphatic vessel. a. Basal ganglia 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. B) are found on "pathfinder" neurons capacity of divide via mitosis due to absence of centrosomes. What is the function of dendrites in a neuron? c. it increases flow to highly active neurons. a. midbrain. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. Which of the following is not true of graded potentials? Unipolar,Bipolar,Multipolar. Myelinated neurons conduct impulses faster than unmyelinated neurons because? d. prefrontal cortex. The patient is noncompliant and needs additional monitoring. A. Sensory. 74. c. decrease anxiety. 1 and Klioutchnikov et al. 1. a. Oligodendrocytes 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. Similar to hormones, NO and CO promote longer-lasting effects by acting through intracellular second-messenger molecules. ATP-dependent "motor" proteins such as kinesin, dynein, and myosin are responsible. Specialized cells in the nervous system that control behavior, senses, and movement are. This results in increased speed of impulse propagation. depression would be an example of: d. that a person has autochromosomal traits. (a . What is an example of a presynaptic cell? 40. A) Cells with gap junctions use chemical synapses. 2.Motor. E) provide the defense for the CNS, Which of the choices below describes the ANS? Which of the following describes the nervous system integrative function? C) voltage stimulus to initiate ________ are found in the CNS and bind axons and blood vessels to each other. Group C fibers are not capable of saltatory conduction. B) type of stimulus receptor a. Dendrites and axon The interior is ________. d. M1. Then, underline the verb in parentheses that agrees with the subject. 18. Answer: They are constantly dividing Explanation: Neurons are like different cells in the body on the grounds that: Neurons are encircled by a cell . The midbrain contains the: copyright 2003-2023 Homework.Study.com. Motor afferent neurons possess long dendrites and short axons. Which of the following is not a chemical class of neurotransmitters? B) excitatory potential B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. b. Microglial cells Treatment of pain with local anesthetics leads to an unfavorable decrease in general sensory acuity due to their indiscriminate block of both pain sensing . Estimate the number of moles of Ar in a typical lightbulb. Neurons are located both in the CNS and on the periphery. This disease causes gradual muscle stiffness . 30. b. Broca's Aphasia. The Quadratic Formula from Kinematics In this problem we show how the kinematic equations of motion can be used to derive the quadratic formula. Discovering that someone has glial scars means suggests that: Neurons can function optimally for over 100 years. 100% (3 ratings) Which of the following is NOT a characteristic of neurons? a. sensory neuron b. interneuron c. motor neuron d. gland e. muscle. b. d. Nuclei. 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? GABA and glycine are amino acid neurotransmitters; dopamine and norepinephrine are catecholamines; and endorphin and enkephalin are peptide transmitters. d. Vagus nerve. a. parietal lobe. Touch stimulation of this sensory receptor will open the mechanically gated ion channels, but action potentials are still not initiated because propagation of an action potential requires the opening of voltage-gated Na+ channels. If a neuroscientist stated that a brain structure had efferent neurons, what can be concluded? Neurons may be classified according to several characteristics. B) They have extreme longevity.C) They are mitotic. a. Neurons communicate with other neurons in the central nervous system. In each of the following sentences, circle the phrase following the subject. Which of the following is NOT a function or characteristic of neurons? Indicate the number of orbitals in the 6p sublevel. 76. 70. 6. Which of the following is not characteristic of neurons? 1. B) microglia It impacts your spinal cord and the nerves that transmit and receive messages between your brain and the rest of your body. 8. 62. 1.Introduction. c. Astrocytes Expert Answer. d. Extrapyramidal System. Methods: Participants were prospectively enrolled . likely to occur? What functional class of neuron carries impulses away from the CNS to muscles or glands? B) muscle contraction would occur True or False, The autonomic nervous system is under voluntary control; whereas, the somatic nervous system is involuntary. Estimate the mass of Hg vapor present in the type of long, thin fluorescent tubes used in offices. However, the electrical impulse cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. C) microglia c. Transcription factors 26. Which statement is true? Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. a. Doral root 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. d. the hypothalamus. 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 a. The structure that meets the spinal cord in the hindbrain is the: Which component has a role in the postsynaptic cell during synaptic activity? Which of the following is not a function of the autonomic nervous system? 3. Damage to the ________________ could cause changes to one's motivation to eat, such as First, consider an object with an initial position x0x_0x0, an initial velocity v0v_0v0, and an acceleration aaa. The parts of neurons that receive information from other neurons are called: 4. Saltatory conduction is made possible by ________. 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 . your answer. What are the neuron functions for the peripheral nervous system? Longevity 2. A Pyrex container is completely filled with 275cm3275 \mathrm{~cm}^3275cm3 of mercury at 10.0C10.0{\degree} \mathrm{C}10.0C. C) They can be called postsynaptic potentials. Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue (s). d. astrocytes form and maintain the blood-brain barrier. Sensory receptors for touch (and pressure) respond to physical deformation of the receptors, resulting in the opening of specific mechanically gated ion channels. d. Neurons. to axon segment Axon segment 33. A) axon B) afferent neuron Although neurologic recovery is complete, amnesia for the event persists. A. thow ion selectivity C. are gated A. Motor neurons transmit the nerve impulses from CNS to effectors (muscles and glands). b. Gliosis a. cerebellar ataxia. b. the sympathetic division of the autonomic nervous system. How are women stereotyped by men in Lamb to the Slaughter by Roald Dahl? A drug that caused someone to make a reckless decision might be affecting the: Learn about the neuron diagram, structure, and function. d. Hypothalamus, 37. The presence of at least one Y chromosome indicates: A) peripheral and spinal nerves b. Microglial cells Which neurons reside only within the CNS? The axon hillock is located: Strong stimuli cause the amplitude of action potentials generated to increase. a. Epigenetic markers ______________ are chemicals that promote the growth and development of neurons. A) positively charged and contains less sodium D) absolute refractory period. Polygenic inheritance is the inheritance of traits that are influenced by multiple genes. 1. c. The patient has a low level of transcription factors. All other trademarks and copyrights are the property of their respective owners. A. d. ribosome transcription. It also affects your cerebellum, the part of your brain that controls movement and balance. The generation of an action potential in a neuron requires the presence what type of membrane channels? A genetic mutation caused by an error in replicating or repairing a gene is called: 54. Efferent neurons are ___ neurons carrying impulses to the muscles. a. norepinephrine. True or False, Which of the following is not a function of astrocytes? A. Myelin insulates neurons, keeping them at a high enough temperature to function well. c. basal ganglia. d. spines along dendrites. (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. e. neurons that innervate smooth muscle are under involuntary control. C) innervation of glands c. meninges. New three-photon miniature microscopes open the study of neuronal networks to those deep in the brains of behaving animals. These K+ ions decrease the positive ion concentration momentarily below the normal -70mV and thus hyperpolarize the cell. (c) They have an exceptionally high metabolic rate. C) receptor c. occipital lobe. Oligodendrocytes are a type of neuroglia. What is the role of microglial cells and why are they so important in the CNS? Immediately after an action potential has peaked, which cellular gates open? Demyelination interferes with saltatory conduction, which would result in a slowing down of nerve impulse propagation. As you start working out, you notice that your heart rate and breathing rate start to increase. The _________________ facilitates balance and the timing of movements. B) cholinesterase B) Specific potassium gates will open. A gap between Schwann cells in the peripheral system is called a(n) ________. Which of the following is correct? c) Neurons are the most abundant type of cell in nervous tissue. A) ependymal cells c. myelin around axons. inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. b. Axon and soma Some neuroglia remove debris and foreign material from the nervous system. Which of the following is NOT characteristic of 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) ________. What structural classification describes this neuron? C) They have an exceptionally high metabolic rate. Neurons that lie between sensory neurons and motor neurons are called ________. The hypothalamus is located in the: (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? What does the central nervous system use to determine the strength of a stimulus? b. thalamus. D) stimulate the production of acetylcholine, Which of the following is not a function of the autonomic nervous system? e. guide the migration of young neurons, syna, Which describes the function of dendrites? A) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands A neuron is formed when a receptor ends on another cell becomes active. 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. kg 1), . a. epigenetics. c. pons Integrate. b. smooth muscle cells are uninucleated. A drug that inhibited the reticular activating system would most likely cause: spindle fibres to divide the cell. Spiral ganglion neurons (SGNs) play a vital role in conveying complex information from hair cells to the brainstem (Shrestha et al., 2018).As the injury or degeneration of SGNs is particularly devastating to hearing function, thus the repair of SGNs is of great importance in hearing-related biomedical fields (Petitpre et al., 2018; Wei et al., 2021). They propel cellular components along microtubules. 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. d. astrocytes. d. The person may have motor tremor. B) The release of neurotransmitter molecules gives cells the property of being electrically coupled. March 17, 2022. B They have extreme longevity. High mitotic rate B. All of the following describe the functions of astrocytes except: c. Motor neurons. d. Neurogenetics. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. (a) dendrites (b) cell body (c) myelin (d) axon terminal. GBA variants increase the risk of Parkinson's disease (PD) by 10 times. a. Trigeminal nerve B) short distance depolarization Answer: Option D is correct Explanation: Neurons generally do not e. Neurons are found across the body but are most numerous in the brain. ependymal cells____ help to circulate the cerebrospinal fluid: which of the following is an excitatory nerotransmitter secreted by motor neurons innervating skeletal muscles? These neurons are inhibitory neurons, meaning they release neurotransmitters that keep other neurons from firing. Which does NOT describe nervous tissue? A. c. medulla Which of the following is an EXCITATORY neurotransmitter secreted by motor neurons innervating skeletal. A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex. Identify the neuron type described: Two neuron types whose cell bodies are in the spinal cord (CNS). Which of the following conducts impulses to an effector? In the discussion section the authors wrote "In this study, we observed that different paradigms of tES application could ameliorate motor function impairments in ICH induced by collagenase administration into the striatum of rats.". d. proteins. They are the fundamental units that send and receive signals which allow us to move our muscles, feel the external world, think, form memories and much more. formation. a. cerebral aqueduct. That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. Which division of your nervous system is generating this response? b. Constricted airways Neurons synapse with: a. other neurons b. muscles c. glands d. all of these. Which of the following is NOT a function or characteristic of neurons? D) are crucial for the development of neural connections, An inhibitory postsynaptic potential (IPSP) is associated with ________. Which of the following is not characteristic of neurons? Calcium influx into the synaptic terminal causes vesicle fusion. To which part of the spinal cord is sensory information sent? A. Which of the following is a factor that determines the rate of impulse propagation, or conduction velocity, along an axon? After peripheral nerve injuries, damaged axons can regenerate but functional recovery is limited by the specific reinnervation of targets. likely true? Which of the following is not a characteristic of neurons? a) Myelin insulates neurons, keeping them at a high enough temperature to function well. b. thalamus. b. sympathetic nervous system. a. pituitary gland. d. Neurons. 10. ________ potentials are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized. D) gamma aminobutyric acid, Which of the following describes the nervous system integrative function? Neuroglia found in the CNS that bind axons and blood vessels to each other are called ________. It stores energy reserves. Its cell body is in an autonomic ganglion outside the CNS. d. pineal gland. The prefrontal cortex is important for working memory function. C) neurotransmitter 4. C) They increase amplitude as they move away from the stimulus point. d. improve recovery from traumatic brain injury. If a person ingested a substance that temporarily impaired the functioning of the b) Myelinated axons transmit nerve impulses in the same manner as unmyelinated axons. The synapse more common in embryonic nervous tissue than in adults is the ________. Cell body c. Ganglion d. Axon, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? Saltatory conduction is made possible by ________. - Neurons have a cell body, which contains the majority of the cell's organelles. A drug that increases appetite would likely affect: a. temporal lobe. The nucleus accumbens facilitates fear and aggression. muscles throughout the body? The small layer of tissue surrounding the cerebral aqueduct in the brain is called: B) norepinephrine What is a substance released from neurons that influences the sensitivity of neurons to neurotransmitters called? A) innervation of smooth muscle of the digestive tract B) innervation of cardiac muscle C) innervation of skeletal muscle D . The autonomic has two divisions: the sympathetic and parasympathetic. a. Schwann cells b. satellite cells c. microglia d. astrocytes e. oligodendrocytes f. ependymal cells. 2. a. Amygdala Which functional classification of neurons is the most numerous? c. M2 microglial cells Which of the following best describes the function of astrocytes? d. The patient is at risk of a Mendelian disease. c. nucleus accumbens. High metabolic rate. Neurons generate and conduct electrical impulses called action potentials. Melatonin is released from the: True or False, 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. D. They have an exceptionally high metabolic rate., These cells in the CNS have cilia that move in order to circulate cerebrospinal fluid ________. The patient has a polymorphism that slow metabolism of a drug. (c) They have an exceptionally high metabolic rate. Some ions are prevented from moving down their concentration gradients by ATP-driven pumps. Reflexes are rapid, automatic responses to stimuli. Show the details. 27. What are the different types of neurons in the ANS and where are they located? These gases are neurotransmitters that act indirectly. 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. B) analyzes sensory information, stores information, makes decisions B) provide the defense for the CNS 2. Which pattern of neural processing is important for higher level mental processing such as problem solving? D) Schwann cells, Schwann cells are functionally similar to ________. D) innervation of skeletal muscle, Collections of nerve cell bodies outside the central nervous system are called ________. Study with Quizlet and memorize flashcards containing terms like Which of the following is not characteristic of neurons? Cerebrospinal is located in the following structures except: 29. Image credit: iStockphoto. View the full answer. Neurons are relatively small, simple-structured cells. What should the nurse explain to the patient regarding the role of serotonin and depression? This protective role is important because cells of the immune system are denied access to the CNS. a. the hippocampus. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. B) They can form on receptor endings. A) acetycholine All of the following describe functions for cerebrospinal fluid except: lowers the probability of producing an action potential. c. hippocampus. What do neurons synapse with? alternations to DNA sequences? B) Schwann cells 25. The concentration of __ is higher inside than outside the cell. C) An excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold. This is an example of: Both responses are examples of graded potentials. Specific instructions that encode for traits are called: Which of the following is not a special characteristic of neurons? A. excitability B. neurotransmitter production C. high energy needs D. capability of mitosis. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. a. b. Interneurons. d. hippocampus. Select the correct statement about serial processing. They are robust signaling cells. The contractions of skeletal muscles pull on tendons and move bones of the skeleton. a. reduced cerebrospinal fluid. 60. A) They increase amplitude as they move away from the stimulus point. C) anchor neurons to blood vessels c. preganglionic terminals. The person would have impaired decision making while the drug's effects were active. a. M4 64. 3. Oligodendrocytes form: A) axon B) dendrite C) neurolemma DI) Schwann cell. Relative to the prefrontal cortex, the neuron would be called a(n): Neurotransmitters are chemical signals used as a means of communication. A substance that inhibits the activity of the cerebellum would be expected to: a. periaqueductal gray. When activated, shortens C. Found in the brain and spinal cord. A) senses changes in the environment b. cause aggressive behavior. The inhibitory extracelluar matrix consists of chemicals that: High metabolic rate C. Require continuous supplies of glucose and oxygen D. Extreme longevity E. No exceptions; all of these are characteristic of neurons. The synapse more common in embryonic nervous tissue than in adults is the ________. Responding to brain injury is an important function of astrocytes. a. inhibit the production of neurotrophins. C) They are mitotic. d. cingulate cortex. 32. Because all action potentials are alike, how does the brain separate situations that require immediate attention from ordinary "positional" reports? A) Sensory neuron B) Motor neuron C) Interneuron D) All of the above. a. Schwann cells b. oligodendrocytes c. astroc, What kind of nerve cells are thought to be helpers for the neurons? In your opinion, is "A Christmas Memory" merely a vivid portrayal of a memory, or does it also convey a theme, or message? a. meninges. A) peripheral and spinal nerves B) brain, spinal cord, and peripheral nerves C) brain and spinal cord D) spinal cord and spinal nerves. b. d. cerebral blood vessels. d. the structure is anterior to the area. Nerve cell adhesion molecules (N-CAMs) ________. The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. c. The person may stop breathing. Answer: Option D is correct Explanation: Neurons generally do not e . b. sulci. C. cell body. Define neurotransmitter. b. cerebrospinal fluid. In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? c. neurotrophins. adjacent axon segment. The synaptic cleft b. a. impair memory. 47. What quantity of mercury spills over when heated to 75.0C75.0{\degree} \mathrm{C}75.0C ? a. postganglionic terminals. Neurons may be classified according to several characteristics. The function of neurons is to communicate information from one part of the body to other parts. c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? C. They are mitotic. a. synapses. The characteristics that vary on a continuum among people, such as height, skin color, or intelligence, are most likely determined by polygenic inheritance. 1. group cfibers are not capable of salatory conduction. c. sensory and motor neurons that su. which ofthe following is correct? researcher would: D. axon hillock. STRUCTURAL FUNCTIONAL CHARACTERISTICS OF NERVOUS AND GLIAL CELLS. The term central nervous system refers to the ________. b. the medulla. The neuronal membrane. D) astrocytes, What does the central nervous system use to determine the strength of a stimulus? b. oligodendrocytes. A disease that destroyed astrocytes would be expected to: The cell bodies of the upper motor neurons are located in the spinal cord B. What are the advantages and disadvantages of Europe's communications systems? The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. They are like neurons except that they lack axons. c. Motor efferent neurons possess long dendrites and short axons. a. Mitochondria in a neuron would no longer function. c. reduced oxygen delivery to cells. A) the myelin sheath A) a change in sodium ion permeability d. The person would have dulled senses for some period of time after taking the substance. c. pons. What type of motor neuron stimulates skeletal muscle fibers to contract by the excitation contraction mechanism? d. neuromuscular junctions. They have long fibers from CNS to ganglion. b. Medulla ___________ are clusters of neuron cell bodies in the sympathetic and parasympathetic C) opening of voltage-regulated channels b. procedural memory. (b) They have extreme longevity. Contains cells with macrophage activity c. Exhibits regenerative capacities d. Contains lymphatic vessel. Two subtypes of motor neurons have been identified: inferior and superior. c. that a person is genetically male. When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. d. Activation of postganglionic parasympathetic neurons, 65. When excited electrically, the Hg atoms emit UV light, which excites the phosphor coating of the inner tube, which then emits visible (white) light. 71. B. If an experimental drug produced physiological effects similar to nitric oxide, then a analyzes sensory information, stores information, makes decisions. What is the role of calcium in synaptic activity? a. Tight junctions along blood vessels in the brain are formed by: a. extrapyramidal motor system. Growing numbers of sodium channels appear spontaneously in the demyelinated fibers so that conduction resumes, even if slower. 1. B. Skeletal muscles store nutrient reserves. True or False, Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. C) oligodendrocytes Which of the following cells are not found in a connective tissue? 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. 23. Strong stimuli cause the amplitude of action potentials generated to increase.