Which of the following is not characteristic of neurons? Calcium influx into the synaptic terminal causes vesicle fusion. 1. Diminished release of acetylcholine from preganglionic sympathetic neurons would: (c) They have an exceptionally high metabolic rate. A) acetylcholine A single type of channel will open, permitting simultaneous flow of sodium and potassium. 31. Be Contains cells with macrophage activity c. Exhibits regenerative capacities d. Contains lymphatic vessel. a. interneuron. Hepatocytes and neurons express low baseline CB1R and CB2R, respectively, and their cell-type-specific functions are not well defined. C. They are mitotic. A) innervation of smooth muscle of the digestive tract B) innervation of cardiac muscle C) innervation of skeletal muscle D . b. sympathetic nervous system. a. D) biogenic amine, A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. 1. True or False, If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and destroy them. C. Afferent. Which of the following is not true of graded potentials? Some neuroglia remove debris and foreign material from the nervous system. Site of mRNA translation for proteins of the axolemma c. Axon fibres are covered by a white sheath called myelin. 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. The presence of at least one Y chromosome indicates: It is important when reducing any model to first identify these characteristic behaviours. c. lead to foreign substances entering the brain from the circulatory system. Describe annual cleanupthat isfrequently present in these agreements. Transcribed image text: Which of the following is not a characteristic of neurons? However, the electrical impulses cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. b. oligodendrocytes. a. A. they produce neurotransmitters B. they lack neurotransmitter receptors C. they receive communication from other neurons D. they slow down the action potential. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. What portion of the neuron receives signals from other neurons? c. Hypoglossal nerve b. Two subtypes of motor neurons have been identified: inferior and superior. b. control the chemical environment around neurons. Different types of neurons include sensory, motor, and interneurons, as well as structurally-based neurons, which include unipolar, multipolar, bipolar, and pseudo-unipolar neurons. As you start working out, you notice that your heart rate and breathing rate start to increase. b. cingulate cortex. A chemical messenger that does not directly cause ESPSs or IPSPs but does affect the strength of synaptic transmission is a ________. Which of the following is not characteristic of neurons? c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? Has component cells designed for conductivity b. C) frequency of action potentials B) They have extreme longevity. Which of the following is not characteristic of neurons? Sensory Neurons Motor Neurons Inter-Neurons a. Amygdala D) found in the retina of the eye, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? The patient is noncompliant and needs additional monitoring. b. smooth muscle cells are uninucleated. Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue (s). Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? ATP neurotransmitters have what basic effect on the body? ___________ are clusters of neuron cell bodies in the sympathetic and parasympathetic A. b. hypothalamus. c. Neuromuscular junction b. c. striations present are due to the orderly arrangement of actin and myosin. having a low appetite. a. Neurogenetics When the neurons were damaged, the number of Nissl corpuscles decreased significantly . d. support and brace neurons. They have extreme longevity. All of the following describe the functions of astrocytes except: What do ANS neurons regulate with regard to mechanical digestion? b. Reactive astrocytes c. sleepiness. Which of the following statements most accurately describes the effects caused by binding of the neurotransmitter (green dots) to the structure labeled C? Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. All other trademarks and copyrights are the property of their respective owners. c. olfactory information. Citation 17 - Citation 21 However, the effect of CH on axonal plasticity within the white matter following ischemic stroke is not known in detail. The cell body is the metabolic center of the neuron. B) the Na ions have been pumped back into the cell A) origin of the stimulus What are the neuron functions for the peripheral nervous system? c. reduced oxygen delivery to cells. _____________ is the study of how genes support the function of neurons. Increased diameter results in increased surface area on the membrane for sodium channels. The landscaping business for the area totaled about$1,340,000 for the year. 47. A) They are short-lived. Inhibitory postsynaptic potentials (IPSPs) are "firing," but due to the neurotransmitter released and its action, the postsynaptic neuron is inhibited from "firing" (hyperpolarized). Discovering that early life stress may cause polymorphisms that increase the risk of A) short distance hyperpolarization c. gene duplication. a. Astrocytes Nerve cell adhesion molecules (N-CAMs) ________. It is the main component of the nervous system- both the central nervous and peripheral nervous system. 58. b. ventricles. A) axon B) dendrite C) neurolemma DI) Schwann cell. d. gyri. Imagine a neuron that has several hundred axonal knobs impinging on it. The _________________ facilitates balance and the timing of movements. 2. hippocampus, which of the following would most likely be the result? inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. C) depolarization b. cause inattention. The cerebral cortex is located in the forebrain. a. Sensory neurons. a. inhibit the production of neurotrophins. a. neuromuscular junction. b. Pons Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? D) ligand-gated channel, An impulse from one nerve cell is communicated to another nerve cell via the ________. d. hippocampus. B) amino acid Which nerve cells carry impulses from the brain to the muscles? B) chloride The hills on the surface of the brain are referred to as: 12. 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. b. expect to find increased blood flow. B) short distance depolarization c. ventricles. As a component of the hyperdirect and indirect pathways, the STN is important for constraining movement, thought, and emotion through synaptic excitation of GABAergic basal ganglia output neurons. d. frontal lobe. b) Myelin prevents conduction of electricity from the axon hillock to the axon terminal. a. The interior is ________. Growing numbers of sodium channels appear spontaneously in the demyelinated fibers so that conduction resumes, even if slower. Which of the following is an EXCITATORY neurotransmitter secreted by motor neurons innervating skeletal. 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. They secrete acetylcholine. Name the following: Nervous tissue cells that regulate the chemical environment of neurons. Our experts can answer your tough homework and study questions. c. occipital lobe. b. on the soma. Specialized cells in the nervous system that control behavior, senses, and movement are. d. Nuclei. Which of the following stimuli caused the reaction in the graph on the left? b. innervation of skeletal muscle. 40. 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. a. periaqueductal gray. The GBA gene encodes the lysosomal enzyme glucocerebrosidase (GCase). Which of the following are true about neurons? 61. Do not divide - (neural stem cells are an exception) 3. c. the person had a past traumatic brain injury. a. pituitary gland. A) astrocytes 73. What do neurons synapse with? C) the impulse would spread bidirectionally D) size of action potentials, Bipolar neurons are commonly ________. D. They have an exceptionally high metabolic rate., These cells in the CNS have cilia that move in order to circulate cerebrospinal fluid ________. D) lowering the threshold for an action potential to occur. C) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. b. cholinesterase. d. medulla. The characteristics that vary on a continuum among people, such as height, skin color, or intelligence, are most likely determined by polygenic inheritance. d. Parkinson's disease. Use Equation v=v0+atv=v_0+a tv=v0+at to show that the time corresponding to the velocity found in part (a) is t=v0v022ax0at=\frac{-v_0 \pm \sqrt{v_0^2-2 a x_0}}{a}t=av0v022ax0. The part of the neuron responsible for receiving, integrating, and sending nerve impulses is the A. dendrite. Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. 8. In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? d. reduce cortical arousal. B) nerves When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. If a neuroscientist stated that a brain structure had efferent neurons, what can be concluded? 35. A genetic mutation caused by an error in replicating or repairing a gene is called: c. Oligodendrocytes b. that a person is genetically female. That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. 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. The p.N370S substitution causes a violation of the enzyme conformation, which affects its stability in the cell. What effect might a disease that destroyed oligodendrocytes have on neuronal function? The reticular activating system includes all of the following structures except: A patient was admitted for depression. Both excitatory and inhibitory potentials impinge on neurons. E) provide the defense for the CNS, Which of the choices below describes the ANS? a. norepinephrine. Schwann cells are functionally similar to ________. d. Extrapyramidal System. c. Cerebellum nervous system? 2.Motor. ________ are found in the CNS and bind axons and blood vessels to each other. D. Skeletal muscles supports the weight of some internal organs. Which of the following conducts impulses to an effector? a. cerebral aqueduct. True or False, Some neurotransmitters can be either excitatory or inhibitory depending upon the receptor. A. C) action potential the afferent division of the nervous system. Schwann cells myelinate PNS axons. a. the person had neurons that did not form correctly during neural development. A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. A) efferent neuron Demyelination interferes with saltatory conduction, which would result in a slowing down of nerve impulse propagation. B) Schwann cells c. medulla. b. Gliosis 69. When activated, shortens C. Found in the brain and spinal cord. 3. In terms of function, scientists classify neurons into three broad types: sensory . d. temporal lobe. A) They increase amplitude as they move away from the stimulus point. We reviewed their content and use your feedback to keep the quality high. The preclinical phase of AD, which can last 10 to 20 years, is characterized by the gradual accumulation of -amyloid and tau aggregates in the brain, together with neuroinflammation and synaptic alterations ().Several lines of evidence indicate that -amyloid deposition precedes . c. nucleus accumbens. When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. Preganglionic neurons are located in the brain stem and sacral segments of the spinal cord. C) serotonin Group C fibers are not capable of saltatory conduction. (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? That is, they have a single axon and many dendrites. Which of the following statements is true? d. parasympathetic nervous system. What are the basic divisions of the peripheral nervous system? Which of the following statements regarding nervous tissue is not true? [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. Collections of nerve cell bodies in the peripheral nervous system are called ________. Which of the following is not true concerning the structural classification of neurons? Which of the following is NOT characteristic of smooth muscle? c. meninges. d. a transcription factor. 2 introduce new . 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. Classify neurons according to their function. Which type of neurons are used to convey the special senses of sight? 76. Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. GBA variants increase the risk of Parkinson's disease (PD) by 10 times. b. procedural memory. Tell why you think so. b) The preganglionic neuron (sometimes called the ganglionic neuron), is the second motor neuron. sure to include the influence of German philosopher Karl Marx in True or False, The overlapping functions of the nervous system are sensory input, integration, and motor output. Study with Quizlet and memorize flashcards containing terms like 1. 15. True or False, A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. b. Interneurons. Study with Quizlet and memorize flashcards containing terms like Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are _____., Which of the following is not a function of the autonomic nervous system? Neurons can function optimally for over 100 years. Which of the following is the study of mechanisms of gene expression not involving Which does NOT describe nervous tissue? These gases are neurotransmitters that act indirectly. Some axon terminals contain more than one kind of neurotransmitter. a. Pons The small layer of tissue surrounding the cerebral aqueduct in the brain is called: C) An excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold. 70. This area is also known as the soma or perikaryon. c. in the synapse. A) support and brace neurons a. that a person will have a polymorphism. 11. The pons is activated when someone startles. B) hyperpolarization If a loud noise made you jump, which structure was most likely responsible for this Both responses are examples of graded potentials. Reflexes are rapid, automatic responses to stimuli. Which of the following is not characteristic of neurons? c. gamma aminobutyric. Which of the following is not a chemical class of neurotransmitters? 11. The greater the density of spines along dendrites, the greater a neuron's: 5. Give a valid explanation of why this could occur. 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. c. decrease the activity of postganglionic parasympathetic neurons. Which of the following would be most likely to increase heart rate? If a drug severely depressed the functioning of the medulla, which of the following might be c. reticular formation. If a person ingested a substance that temporarily impaired the functioning of the D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. The structure that meets the spinal cord in the hindbrain is the: a) axons b) dendrites c) Schwann cell d) cell body, Which of the following forms myelin in axons at PNS? D) spinal cord and spinal nerves, The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. Treatment of pain with local anesthetics leads to an unfavorable decrease in general sensory acuity due to their indiscriminate block of both pain sensing . a. reference memory. D) control the chemical environment around neurons The actual cause of the neurodegenerative component of the disease is however unclear. What function is served by the increased axon diameter at the nodes of Ranvier? c. The output (. c. Myelination a. What should the nurse explain to the patient regarding the role of serotonin and depression? 24, 25 There were 255 and 319 . 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. b. Neurotrophins d. touch information. A) senses changes in the environment B) muscle contraction would occur. Specifically, combination therapy (simultaneous use of customized sub-perception field and paresthesia-based SCS) versus monotherapy (paresthesia-based SCS) was evaluated. Which pattern of neural processing is important for higher level mental processing such as problem solving? Cedric S Raine. 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. threshold Voltage-gated Na+ What distinguishes nerve cells and other excitable membranes (e.g., muscle cells) is that they are capable of changing their resting potential. A) Group C fibers are not capable of saltatory conduction. b. increased heart rate. A drug that caused someone to make a reckless decision might be affecting the: Alzheimer's disease (AD) is a progressive neurodegenerative disorder with an increasing worldwide prevalence. D) moves membrane potential away from threshold. 54. o Neurons have a very long lifespan Have low mitotic activity fie cannot undergo cell division) O Ability to transmit electrical signals (i.e. C) microglia Because all action potentials are alike, how does the brain separate situations that require immediate attention from ordinary "positional" reports? 22. a. d. Sensory, Which neuron structure receives impulses from the preceding cell? Answer: Option D is correct Explanation: Neurons generally do not e . Which of the following correctly describes a graded potential? D) astrocytes, What does the central nervous system use to determine the strength of a stimulus? c. Transcription factors formation. a. a. Oligodendrocytes a) norepinephrine b) cholinesterase c) gamma aminobutyric acid d) acetylcholine. b. When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. 46. Even though someone is diagnosed with MS, the axons are not damaged. c. somatic nervous system. (a) Voltage-gated calcium channels open (b) Neurotransmitter binds to receptors (c) Action potential arrives at axon terminal (d) Neurotransmitter is removed from the synaptic cleft (e) Neurotransmitter released into synaptic cleft (f) Graded potential generated in postsynaptic cell, (c) Action potential arrives at axon terminal (a) Voltage-gated calcium channels open (e) Neurotransmitter released into synaptic cleft (b) Neurotransmitter binds to receptors (f) Graded potential generated in postsynaptic cell (d) Neurotransmitter is removed from the synaptic cleft. b. Neurotransmitters D) effector, What is the role of acetylcholinesterase? 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). If a physician identified her patient as a low drug metabolizer, which of the following is most The neuronal membrane. B) The release of neurotransmitter molecules gives cells the property of being electrically coupled. d. tremor. Which of the following lists the components found in a synapse? Methods: Participants were prospectively enrolled . Specific instructions that encode for traits are called: a. Activation of preganglionic sympathetic neurons b. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. Explain why some forms of MS are characterized by periods of remission and exacerbation. innervation of glands. d. at the axon terminal. Their basic function is to receive and transmit information through electrical impulses. Which of the following best describes the function of astrocytes? Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. C) voltage stimulus to initiate The pathogenesis of the sudden disruption of neurologic function is unknown; it probably involves dysregulation of the reticular activating system in . The person would have impaired movement while the drug's effects were active. c. synapses. c) Neurons are the most abundant type of cell in nervous tissue. c. a ventricle. Which nervous sytem is responsible for delivering voluntary motor signals from the CNS to D) nitric oxide, Which of the following describes the excitatory postsynaptic potential? What is the functional neuron type that is the most prevalent in the CNS? depression would be an example of: B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. The autonomic nervous has control centers in the: d. Neurogenetics. 64. (d) All of these are characteristic of neurons. b. transcription factors. d. astrocytes. What does myelin do for neurons? Which of the following is not characteristic of neurons? 2. d. cerebellum. a. medulla. B) microglia Which of the following is NOT a function of astrocytes? View the full answer. The hypothalamus is located in the: All preganglionic neurons in the ANS are cholinergic. bain advanced analytics interview, peter malkin wife hannah, one hazard associated with driving downhill is:,