B) afferent neuron a. parietal lobe. Motor neurons transmit the nerve impulses from CNS to effectors (muscles and glands). How can a single axon respond to several different kinds of events? b. ventricles. d. improve recovery from traumatic brain injury. Neurons can function optimally for over 100 years. Which of the following is not characteristic of neurons? C) acetylcholine Which of the following is not a function of astrocytes? alternations to DNA sequences? C) anchor neurons to blood vessels Which division of your nervous system is generating this response? 4. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. When activated, shortens C. Found in the brain and spinal cord. What is the functional neuron type that is the most prevalent in the CNS? d. The person would have dulled senses for some period of time after taking the substance. 5. D) absolute refractory period. What are the neuron functions for the peripheral nervous system? The concentration of __ is higher outside than inside the cell. Alzheimer's disease (AD) is a progressive neurodegenerative disorder with an increasing worldwide prevalence. 63. D) control the chemical environment around neurons The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. GBA variants increase the risk of Parkinson's disease (PD) by 10 times. B) The release of neurotransmitter molecules gives cells the property of being electrically coupled. nerve impulses) Need constant supply of nutrients and oxygen O All of the listed answer choices . b. prevent electrical impulses from traveling down axons. d. increased protection of the brain. B) dendrite C) innervation of glands b. the medulla. Which of the following is NOT a characteristic of neurons? A) They have All rights reserved. D) biogenic amine, A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. Although neurologic recovery is complete, amnesia for the event persists. They are like neurons except that they lack axons. A drug that increases appetite would likely affect: Which of the following is not a function of the autonomic nervous system? 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. Neurons differ in their morphology and function. A) origin of the stimulus C) negatively charged and contains more sodium. a. Somatic Nervous System the sympathetic division of the autonomic nervous system. The small layer of tissue surrounding the cerebral aqueduct in the brain is called: Types of neurons: Characteristics and functions - Muy Salud During depolarization, the inside of the neuron's membrane becomes less negative. They are robust signaling cells. Which of the followings cells accounts for roughly half of the volume of the nervous system? Which of the following is not a function of the autonomic nervous system? A. Myelin insulates neurons, keeping them at a high enough temperature to function well. c. The cerebral cortex includes the cerebellum. These include nerve cells (or neurons) and glial cells (or glia ). A) sodium Free Flashcards about ap chap 11 - StudyStack Which of the following types of glial cells monitors the health of neurons, and can transform into a special type of macrophage to protect endangered neurons? 12. a. the structure is below the area. I was doing so well." b. Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. a. on dendrites. b. ATP neurotransmitters have what basic effect on the body? C) found in ganglia When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. c. basal ganglia. In the case of nerve . Solved Which of the following is NOT a characteristic of - Chegg The patient has a polymorphism that slow metabolism of a drug. d. a transcription factor. Which of the following is NOT characteristic of nervous tissue in the brain a. d. M1 microglial cells. The significance of the myelin sheath surrounding axons of werve neurons is that ia is B. composed of synaptio vesieles, which corapletely botate the nouron due w ins whter dianecer. C) voltage stimulus to initiate A. neuronal fibers; axons B. axons; dendrites C. dendr. 2003-2023 Chegg Inc. All rights reserved. The cell bodies of the upper motor neurons are located in the spinal cord B. 7. 2. c. medulla. Answer: Option D is correct Explanation: Neurons generally do not e. 67. c. Ganglia Neurotransmitter binds to receptors on the postsynaptic cell membrane and allows ions to diffuse across the membrane. c. Motor efferent neurons possess long dendrites and short axons. Nanoscale integrated circuit technologies have become popular for designing and implementing biologically inspired pulse-based brain systems [1].These advanced Nanoscale devices are implemented in specific defined models of neuronal recording [[2], [3], [4]].Especiallyto replace a dead neuron system with an artificial neuron system to activate the paralyzed body parts. d. Sensory, Which neuron structure receives impulses from the preceding cell? d. hippocampus. d. parasympathetic nervous system. CREB3L2-ATF4 heterodimerization defines a transcriptional hub of Sympathetic nervous system neurons contact muscle tissue at neuromuscular junctions. Multiple sclerosis (MS) is a disease in which the myelin sheaths are destroyed. Which of the following is not characteristic of neurons? The synapse more common in embryonic nervous tissue than in adults is the ________. What do neurons synapse with? a. Which of the following cells are not found in a connective tissue? 72. are crucial for the development of neural connections. C) frequency of action potentials a. Multi-polar neurons b. Bipolar neurons c. Uni-polar neurons. a. likely acting upon? B) called neuroglial cells Extrapyramidal side effects produced by antipsychotic drugs are similar to the symptoms of: 35. d. spines along dendrites. Which of the following describes the ANS? ce3z/(4zi)3dz. Which of the following is not a structural feature of a neuron? C. cell body. Which component has a role in the postsynaptic cell during synaptic activity? Even though someone is diagnosed with MS, the axons are not damaged. Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? Neurons are a type of cell and are part of the nervous system. A) motor neurons O They have extreme longevity. c. synapses. b. autosomal chromosomes. Which of the following correctly describes a graded potential? Response characteristics of subthalamic neurons to the stimulation of b. transcription factors. Which of the following mechanisms is most significant in returning Na+ and K+ concentrations to resting ionic conditions (from point D to point E)? d. Neurotransmission from the neuron would increase. B) muscle contraction would occur a. impair memory. C. They are mitotic. B) amplitude of various sizes c. a Mendelian disease. Solved Which of the following is not characteristic of - Chegg A) ion Which of the following conducts impulses to an effector? 1.Sensory. A) Cells with gap junctions use chemical synapses. 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? b. cause aggressive behavior. If a neuroscientist described a structure as more lateral to a particular area, this means that: Like the heart, lungs, and stomach, the nervous system is made up of specialized cells. What symptoms would a nurse focus on in his or her care of a patient with multiple sclerosis? In this issue, Zhao et al. Specialized cells in the nervous system that control behavior, senses, and movement are. b. hindbrain. a. A) axon B) provide the defense for the CNS (organalle) inside them, which is necessary to formation of mitotic. C) neurotransmitter A) nuclei a. Activation of preganglionic sympathetic neurons c. ventricles. c. enhance the activity of reactive astrocytes. In epilepsy research, there is a growing interest in the role of the piriform cortex (PC) in the development and maintenance of limbic kindling and other types of limbic . B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. As you start working out, you notice that your heart rate and breathing rate start to increase. C) An excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold. D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. C) opening of voltage-regulated channels 13. C) proteins have been resynthesized Both responses are examples of graded potentials. c. basal ganglia. researcher would: d. The cerebral cortex is found on the surface of the brain. c. sensory and motor neurons that su. Which of the following is not a special characteristic of neurons? They conduct impulses. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. Which nerve cells carry impulses from the brain to the muscles? Chapter 11 Test Questions Flashcards | Quizlet c. Extrapyramidal System d. They are the same as any other cells. The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. (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? a. M4 B) brain, spinal cord, and peripheral nerves d. Cingulate cortex. Some ions are prevented from moving down their concentration gradients by ATP-driven pumps. Types of Neurons: Parts, Structure, and Function - Verywell Health Responsiveness of C Neurons in Rat Dorsal Root Ganglion to 5 Expert Answer. analyzes sensory information, stores information, makes decisions. A) resting period Has component cells designed for conductivity b. The reduction - A Mathematical Model of CA1 Hippocampal Neurons with B) microglia B) motor fibers that conduct nerve impulses from the CNS to skeletal muscles b. Gliosis 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 . Specialized cells in the nervous system that control behavior, senses, and movement are called: a. neurons. b. Microglial cells What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? From a historical standpoint, no other cell type has attracted as much attention or caused as much controversy as the nerve cell. Which of the following is not a chemical class of neurotransmitters? In general, neurons cannot be replaced if destroyed. Characteristics of neurons Flashcards | Quizlet 1. c. The patient has a low level of transcription factors. Its cell body is in an autonomic ganglion outside the CNS. True or False, Unipolar neurons have axons structurally divided into peripheral and central processes. ependymal cells____ help to circulate the cerebrospinal fluid: which of the following is an excitatory nerotransmitter secreted by motor neurons innervating skeletal muscles? a. medulla. D) glial cell, Saltatory conduction is made possible by ________. c. cause imbalance. Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system (CNS) coined by inflammation and neurodegeneration. D) nitric oxide, Which of the following describes the excitatory postsynaptic potential? Identify the following: Acetylcholinesterase would be found in the synapse between neurons for this branch of the ANS and the effector cells. Which of the following statements is true? It is shown that localized co-injection of lidocaine derivative QX-314 and receptor agonists is able to block cold sensitivity in mice in a targeted way, with implications for treating cold pain associated with injury and disease. When the neurons were damaged, the number of Nissl corpuscles decreased significantly . d. Vagus nerve. d . c. gamma aminobutyric. However, the neuron in question does not transmit an impulse. D) ATP and other purines D) gamma aminobutyric acid, Which of the following describes the nervous system integrative function? 15. a. pituitary gland. A. thow ion selectivity C. are gated A. 100% (3 ratings) Which of the following is NOT a characteristic of neurons? Which of the following is not a function of astrocytes? 2. d. astrocytes. Its structure is multipolar. a. Sensory neurons. Which of the following is not true of graded potentials? 2. The interior is ________. 28. Diminished cerebral blood flow increases oxygen to neurons. c. neurons. D) The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. lowers the probability of producing an action potential. Collections of nerve cell bodies outside the central nervous system are called ________. Which of the following portions of the neuron transmits neurotransmitters? 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. It is composed of densely packed cells. a. Epigenetic markers Which neurons belong to the efferent pathway? a. 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. a. neuromuscular junction. A) the impulse would move to the axon terminal only. 3. The importance of a stimulus is derived from the number of stimuli received from the same source. What are the cells that transmit nerve impulses between parts of the nervous system? What quantity of mercury spills over when heated to 75.0C75.0{\degree} \mathrm{C}75.0C ? 3 special characteristics of neurons. glia b.) Central Nervous System 1. Which statement is true? c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? a. extrapyramidal motor system. c. neurotrophins. Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? Glial scars may impair recovery from brain injury because: Identify the cell type below that assists the function of neurons and has a supportive role within the nervous system? a. Axons b. Neurons c. Neuroglia d. Synapses e. Type A fibers, Which of the following parts of a neuron contain excitable membranes? Numerous Nissl bodies were observed, indicating that the neurons had a high ability to synthesize proteins. Explain why some forms of MS are characterized by periods of remission and exacerbation. Which of the following statements is incorrect? c. reduced oxygen delivery to cells. certain disorder would most likely investigate which of the following? Select all that apply. Neurons and muscle cells are considered excitable tissues because they do what? b. ANS stimulation of involuntary effectors is always excitatory. Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte, Efferent nerve fibers may be described as motor nerve fibers. a) Neurons are specialized to conduct electrical impulses. 31. Which of the following is not found in the limbic system? 42. Which cell causes endothelial cells to fit closely together? 1 and Klioutchnikov et al. Classify neurons according to their structure. (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. The contractions of skeletal muscles pull on tendons and move bones of the skeleton. A) They conduct impulses. 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) _____. Which is not characteristic of neurons a high mitotic - Course Hero hippocampus, which of the following would most likely be the result? d. the person has a history of drug abuse. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. b. Neurotrophins The patient is noncompliant and needs additional monitoring. A thirestold potential must be excecded or reached. 23. 8. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. In your opinion, is "A Christmas Memory" merely a vivid portrayal of a memory, or does it also convey a theme, or message? The majority of these axonal knobs are shown to be "firing." A) They are short-lived. A drug that inhibited the reticular activating system would most likely cause: 34. A researcher found that a drug increased heart rate. We used embryonic stem cell-derived (H9) human neuronal stem cells . A&P Ch 9,10,11 Flashcards | Quizlet Reflexes are rapid, automatic responses to stimuli. What Is a Neuron? Diagrams, Types, Function, and More - Healthline View the full answer. c. Oligodendrocytes 14. C) Sodium gates will open first, then close as potassium gates open. 27. c. end terminus. Indicate the number of orbitals in the 6p sublevel. The cerebral cortex has features called gyri and sulci. destroy ACh a brief period after its release by the axon endings. B) oligodendrocytes D) generator potential. which ofthe following is correct? 53. Damage to the hypothalamus may alter someone's motivation to eat. D. axon hillock. A toxin that destroyed the presynaptic terminal on an axon would likely: 7. 2.Motor. A. What are the basic divisions of the peripheral nervous system? Which does NOT describe nervous tissue? Structural Functional Characteristics of Nervous and Glial Cells B) synapse What two physiological characteristics are highly developed in the neurons? Which of the following surrounds PNS neurons and provides support? c. in the synapse. In the presence of invading microbes, microglial cells become macrophages to phagocytize the microbes and neuronal debris. d. that a person has autochromosomal traits. These cells have a star-like shape and a central body that contains the . a. Pupil dilation d. cause a tremor. Describe the structure of neurons 2. True or False, If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and destroy them. c. gene duplication. c. Astrocytes Name the two other neuron types which are cholinergic. B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. Demyelination interferes with saltatory conduction, which would result in a slowing down of nerve impulse propagation. Which of the following stimuli caused the reaction in the graph on the left? Solved Which of the following is NOT characteristic of the - Chegg a. Trigeminal nerve Allow ions to move in and out of its cellular membrane. The part of a neuron that sends neurotransmitters into a synapse is called a(n): 6. What is the role of microglial cells and why are they so important in the CNS? d. acetylcholine. If a physician identified her patient as a low drug metabolizer, which of the following is most b. smooth muscle cells are uninucleated.
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