Potentials that are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized are called ________ potentials. Solved Which of the following is NOT a characteristic of - Chegg 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. Which of the following is NOT a characteristic of neurons? Which of the following surrounds PNS neurons and provides support? In addition to diffusion, what are two other mechanisms that terminate neurotransmitter activity? A) nuclei Answer (1 of 3): So a neuron is a specialized cell in the brain with certain characteristics. d. the structure is anterior to the area. Biochemical Characteristics of iPSC-Derived Dopaminergic Neurons from High metabolic rate. Name the parts that comprise the elbow joint. C) the impulse would spread bidirectionally b. Ventral root D) Ions always move from an area of higher concentration to an area of lower concentration, A second nerve impulse cannot be generated until ________. a. Autonomic pathways consist of two types of motor neurons. Do not divide - (neural stem cells are an exception) 3. Solved 26. Which of the following is not a characteristic of | Chegg.com Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. Which of the following is not characteristic of neurons a Site of mRNA translation for proteins of the axolemma c. Axon fibres are covered by a white sheath called myelin. b. Microglial cells D) The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. The latter from the brain to the spinal cord. 12. 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. a) The preganglionic neuron (sometimes called the ganglionic neuron), is the first motor neuron. The parasympathetic division includes the pelvic nerves. Image credit: iStockphoto. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. D) positively charged and contains more sodium. A) innervation of smooth muscle of the digestive tract d. astrocytes form and maintain the blood-brain barrier. A) positively charged and contains less sodium The cerebellum is located in the: Responsiveness of C Neurons in Rat Dorsal Root Ganglion to 5 Preganglionic neurons are short and synapse in ganglia located near the spinal cord. c. basal ganglia. The former make connections from the spinal cord to the muscles. Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. The oligodendrocytes can myelinate several axons. 4. 23. C) receptor The cerebral cortex has features called gyri and sulci. A) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands b. thalamus. True or False, The overlapping functions of the nervous system are sensory input, integration, and motor output. A) a change in sodium ion permeability 61. C) proteins have been resynthesized Efferent nerve fibers may be described as motor nerve fibers. B) provide the defense for the CNS the sympathetic division of the autonomic nervous system. b. Medulla 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. Functions. c. that a person is genetically male. copyright 2003-2023 Homework.Study.com. inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. a. Saltatory conduction is made possible by ________. b. Sensory afferent neurons possess long dendrites and short axons. a. ribosomes. 10 Characteristics Of Neurons (Nerve Cells) and Nervous System - 8SA.NET The resting membrane potential is maintained by Na+-K+ pumps that actively transport __ into and ___ out of the cell. True or False, The action potential is caused by permeability changes in the plasma membrane. B. axon. Fill in the blank. C. cell body. c. lead to foreign substances entering the brain from the circulatory system. b. sympathetic nervous system. A) act as a transmitting agent A) motor neurons d. Neurogenetics. Neurons that carry impulses the central nervous system to the muscles or glands are called neurons or motor neurons. A) the myelin sheath A disorder that damaged oligodendrocytes would be expected to impede neurotransmission. 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. (d) All of these are characteristic of neurons. a. Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue(s). A) resting period Integrate. What are the exact characteristics of neurons? - Quora b. Axon and soma What should the nurse explain to the patient regarding the role of serotonin and depression? Which type of microglial cells promote inflammation? The _________________ facilitates balance and the timing of movements. a. on dendrites. That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. A Pyrex container is completely filled with 275cm3275 \mathrm{~cm}^3275cm3 of mercury at 10.0C10.0{\degree} \mathrm{C}10.0C. What structural classification describes this neuron? c) Neurons are the most abundant type of cell in nervous tissue. These neurons are inhibitory neurons, meaning they release neurotransmitters that keep other neurons from firing. The hills on the surface of the brain are referred to as: d. Nuclei. Characteristics and function of neurons. c. synapses. Diminished release of acetylcholine from preganglionic sympathetic neurons would: a. Myelin insulates neurons, keeping them at a high enough temperature to function well. Some ions are prevented from moving down their concentration gradients by ATP-driven pumps. Myelinated neurons conduct impulses faster than unmyelinated neurons because? acetylcholine Which of the choices below describes the ANS? a. astrocytes play a role in neurotransmission. An experimental drug that reduces the release of chemicals that inhibit axon growth may: The p.N370S substitution causes a violation of the enzyme conformation, which affects its stability in the cell. Which of the following are afferent neurons, relative to the central nervous system? b. Myelin prevents conduction of electricity from the axon hillock to the axon terminal. 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 ________. 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. a. cerebellar ataxia. 15. A neuron is a cell that communicates with the brain. glia b.) Discover and discuss the meaning of dendrites, axon, membrane polarization, membrane depolarization, and synapses. 2 introduce new . D) ligand-gated channel, An impulse from one nerve cell is communicated to another nerve cell via the ________. b. inhibit axon growth. O They conduct impulses. b. auditory information. Which of the following best describes the function of astrocytes? A) short distance hyperpolarization a. corpus callosum. Like the heart, lungs, and stomach, the nervous system is made up of specialized cells. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. Ch. 11-12 Flashcards | Quizlet taking the substance. In terms of function, scientists classify neurons into three broad types: sensory . c. genes. innervation of skeletal muscle. 76. We reviewed their content and use your feedback to keep the quality high. B. What mechanism is responsible for axonal transport? C) microglia d. cingulate cortex. Reflexes are rapid, automatic responses to stimuli. b. I was doing so well." ___________ are clusters of neuron cell bodies in the sympathetic and parasympathetic Which of the following are functions of the CNS? b. Schwann cells are functionally similar to ________. c. decrease anxiety. She asks the nurse,"Why did this have to happen to me again? Which of the following is NOT a function of astrocytes? 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. (b) They have extreme longevity. The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. the somatic nervous system. D) They are short-lived. C) They are mitotic. What are the small lower motor neurons that innervate intrafusal muscle fibers that are part of specialized stretch receptors called? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. These cells have a star-like shape and a central body that contains the . 57. c. The person would later be unable to recall events that took place for some period of time after 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). d. cerebral blood vessels. ATP-dependent "motor" proteins such as kinesin, dynein, and myosin are responsible. d. touch information. Neurons in the CNS are organized into functional groups. A drug that caused someone to make a reckless decision might be affecting the: likely to occur? b. sulci. b. the medulla. Our experts can answer your tough homework and study questions. D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. a. impair memory. C) They increase amplitude as they move away from the stimulus point. a. decrease a neurons's aerobic energy metabolism. ch 4 quiz Flashcards by megan hicks | Brainscape If a person ingested a substance that temporarily impaired the functioning of the c) Myelin traps sodium ions on the axon an. (c) They have an exceptionally high metabolic rate. c. Motor efferent neurons possess long dendrites and short axons. An artificial bridge circuit approach between two biological neurons The parasympathetic division includes the splanchnic nerves. : Question 35 1.5 pts Which of the following is not a special characteristic/property of neurons? d. cerebellum. 36. a. cerebral aqueduct. Correct option is C) Sensory neurons receive sensory inputs from the internal and external environment and transmit it to CNS (brain and spinal cord) for processing. - Neurons have one or more long, slender projections called dendrites, which receive electrical impulses from other neurons. They are electrically excitable cells which generate action potentials. A) They conduct impulses. D. axon hillock. Central nervous system - Supporting function to neurons and their Damage to the hippocampus would likely cause impairments to long-term memory Which cell causes endothelial cells to fit closely together? a. Trigeminal nerve C) biogenic amine Which of the following is NOT characteristic of nervous tissue in the brain a. A drug that inhibited the reticular activating system would most likely cause: Solved Question 35 1.5 pts Which of the following is not a - Chegg d. Neurons. Distinct reward processing by subregions of the nucleus accumbens a. neuromuscular junction. Which is not characteristic of neurons a high mitotic - Course Hero Conduct chemo-electrical impulses. Ganglia are on or near the target organ. E) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability. d. frontal lobe. b. transcription factors. Ans: they are mitotic Unli . When activated, shortens C. Found in the brain and spinal cord. Their basic function is to receive and transmit information through electrical impulses. Although neurologic recovery is complete, amnesia for the event persists. b. Interneurons. a. the person had neurons that did not form correctly during neural development. 11. (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? D) absolute refractory period. (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. a. Pons d. reticular activating system. Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. d. motor neuron. 73. The actual cause of the neurodegenerative component of the disease is however unclear. A substance that inhibits the activity of the cerebellum would be expected to: nerve impulses) Need constant supply of nutrients and oxygen O All of the listed answer choices . (a) hardened cells and neurons (b) neurons and supporting cells (c) chondrocytes and neurons (d) neuronocytes and smooth muscle cells. a) axon b) axon hillock c) dendrites d) soma, Which of the following is not a structural feature of a neuron? A. Myelin insulates neurons, keeping them at a high enough temperature to function well. b. autosomal chromosomes. The part of a neuron that conducts impulses away from its cell body is called a(n) ________. a. synapses. When the neurons were damaged, the number of Nissl corpuscles decreased significantly . Give a valid explanation of why this could occur. Which of the following is true about the movement of ions across excitable living membranes? The Quadratic Formula from Kinematics In this problem we show how the kinematic equations of motion can be used to derive the quadratic formula. D. They have an exceptionally high metabolic rate., These cells in the CNS have cilia that move in order to circulate cerebrospinal fluid ________. C) Group B fibers are highly myelinated and have the highest conduction velocities. c. olfactory information. What is an example of a presynaptic cell? Solved Which of the following is NOT characteristic of | Chegg.com Answer: Option D is correct Explanation: Neurons generally do not e. d. temporal lobe. What type of motor neuron stimulates skeletal muscle fibers to contract by the excitation contraction mechanism? the afferent division of the nervous system. ATP neurotransmitters have what basic effect on the body? sure to include the influence of German philosopher Karl Marx in Which division of your nervous system is generating this response? a. microglial cells. 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). A postsynaptic cell can be a neuron, a muscle cell, or a secretory cell. d. improve recovery from traumatic brain injury. Which of the following correctly describes a graded potential? b. ANS stimulation of involuntary effectors is always excitatory. Contains lymphatic vessel. B) muscle contraction would occur. c. Transcription factors
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