A drug that caused someone to make a reckless decision might be affecting the: Which of the following is true about the movement of ions across excitable living membranes? b. Neurotransmitters Which type of neurons are used to convey the special senses of sight? Is the information in this quote about afferent of efferent? Neurons may be classified according to several characteristics. When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. Conduct chemo-electrical impulses. A&P Ch 9,10,11 Flashcards | Quizlet c. it increases flow to highly active neurons. a) Neurons are specialized to conduct electrical impulses. (a) dendrites (b) cell body (c) myelin (d) axon terminal. C) association neuron b. reduce the activity of postganglionic sympathetic neurons. When activated, shortens C. Found in the brain and spinal cord. Write a paragraph describing the b. thalamus. Which of the following describes the ANS? Which of the following is true about the movement of ions across excitable living membranes? Oligodendrocytes are a type of neuroglia. 36. Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic and a postganglionic neuron? A) efferent neuron Select the correct statement regarding synapses. b. a Mendelian disease. What does myelin do for neurons? Which type of microglial cells promote inflammation? What function is served by the increased axon diameter at the nodes of Ranvier? 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. A) peripheral and spinal nerves B) brain, spinal cord, and peripheral nerves C) brain and spinal cord D) spinal cord and spinal nerves. (a) microglia (b) oligodendrocytes (c) ependymal cells (d) astrocytes. B) anchor neurons to blood vessels Which of the following statements regarding nervous tissue is not true? d. ventral root. What effect might a disease that destroyed oligodendrocytes have on neuronal function? c. preganglionic terminals. Group C fibers are not capable of saltatory conduction. C) leakage channel Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. d. None of these are correct. e. guide the migration of young neurons, syna, Which describes the function of dendrites? Solved 26. Which of the following is not a characteristic of | Chegg.com Motor. channels open Influx of Na+ AP regenerated in a. Mitochondria in a neuron would no longer function. a. Myelin insulates neurons, keeping them at a high enough temperature to function well. What type of neuron connects sensory and motor neurons in neural pathways? The latter from the brain to the spinal cord. D) Ions always move from an area of higher concentration to an area of lower concentration, A second nerve impulse cannot be generated until ________. The part of a neuron that sends neurotransmitters into a synapse is called a(n): 6. c. hippocampus. A) An excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold. a. Oligodendrocytes 8. b. Glossopharyngeal nerve Name the following: Nervous tissue cells that regulate the chemical environment of neurons. In which area of the neuron is an action potential initially generated? Which of the following would be most likely to increase heart rate? Neuroglia found in the CNS that bind axons and blood vessels to each other are called ________. Cerebrospinal is located in the following structures except: 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. C) opens K+ or Cl- channels 76. Which of the following is NOT a characteristic of neurons? What are the exact characteristics of neurons? - Quora a. What do neurons synapse with? View the full answer. Which of the following are afferent neurons, relative to the central nervous system? c. cause imbalance. b. c. striations present are due to the orderly arrangement of actin and myosin. B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. b. cerebrospinal fluid. C) They increase amplitude as they move away from the stimulus point. a. Microglial cell activation 1.Sensory. D) They are short-lived. b. M3 B) analyzes sensory information, stores information, makes decisions B) Schwann cells c. basal ganglia. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. c. Hypoglossal nerve D) size of action potentials, Bipolar neurons are commonly ________. The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. 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 . Specialized cells in the nervous system that control behavior, senses, and movement are. The greater the density of spines along dendrites, the greater a neuron's: 5. Which of the following is not a function of astrocytes? A) Ions always move actively across membranes through leakage channels. There are two basic neuron-containing systems: the central nervous system (CNS), which includes the spinal cord and brain, and the peripheral nervous system (PNS), which includes all other nerve tissues. capacity of divide via mitosis due to absence of centrosomes. What is a credit line? 63. Saltatory propagation occurs in _________ axons, in which action potentials _________. c. Myelin traps sodium ions in the axon and, What does myelin do for neurons? Resting potentials are not just characteristics of nerve cells; all cells in the body have resting potentials. Which of the following is not characteristic of neurons a c. reticular formation. b. Microglial cells ANSWER : The neurons are included in the somatic body cells but are. An inhibitory intracellular matrix releases neurotrophins to impair axon re-growth. 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. Epigenetics d. the structure is anterior to the area. Local anesthetics block voltage-gated Na+ channels, but they do not block mechanically gated ion channels. Which of the following is not characteristic of neurons? The following is a list of characteristics of neurons: - Neurons are cells that specialized in the transmission of electrical impulses. a. midbrain. Which of the following is not true about the cerebral cortex? 35. d. it fills spaces in the brain. c. decrease anxiety. c. M2 a. ribosomes. d. touch information. The nucleus accumbens facilitates fear and aggression. c. pons. The reticular activating system includes all of the following structures except: The substance released at axon terminals to propagate a nervous impulse is called a (n) ________. Different types of neurons include sensory, motor, and interneurons, as well as structurally-based neurons, which include unipolar, multipolar, bipolar, and pseudo-unipolar neurons. b. expect to find increased blood flow. c. lead to foreign substances entering the brain from the circulatory system. From a historical standpoint, no other cell type has attracted as much attention or caused as much controversy as the nerve cell. Some neuroglia remove debris and foreign material from the nervous system. Relative to the central nervous system, motor neurons are referred to as afferent neurons. b. Broca's Aphasia. Neurons are relatively small, simple-structured cells. D. Skeletal muscles supports the weight of some internal organs. If a neuroscientist described a structure as more lateral to a particular area, this means that: 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 of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? What is a substance released from neurons that influences the sensitivity of neurons to neurotransmitters called? Learn about the neuron diagram, structure, and function. 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). What type of motor neuron stimulates skeletal muscle fibers to contract by the excitation contraction mechanism? d. Sensory, Which neuron structure receives impulses from the preceding cell? B) hyperpolarization Specifically, combination therapy (simultaneous use of customized sub-perception field and paresthesia-based SCS) versus monotherapy (paresthesia-based SCS) was evaluated. Describe the structure of neurons 2. Both responses are examples of graded potentials. b. cingulate cortex. Which of the followings cells accounts for roughly half of the volume of the nervous system? 59. A) They conduct impulses. Which of the following is NOT a characteristic of epithelial tissue? a. temporal lobe. - Neurons have one or more long, slender projections called dendrites, which receive electrical impulses from other neurons. Which of the following is NOT a characteristic of the parasympathetic division? 32. Some ions are prevented from moving down their concentration gradients by ATP-driven pumps. the sympathetic division of the autonomic nervous system. d. that a person has autochromosomal traits. Estimate the mass of Hg vapor present in the type of long, thin fluorescent tubes used in offices. An inhibitory postsynaptic potential (IPSP) is associated with ________. B) amplitude of various sizes b. Neurons have . d. astrocytes form and maintain the blood-brain barrier. d. prefrontal cortex. C) oligodendrocytes Strong stimuli cause the amplitude of action potentials generated to increase. If physicians found that inflammation had caused damage to the blood-brain barrier, which c. medulla. b. oligodendrocytes. D) ligand-gated channel, An impulse from one nerve cell is communicated to another nerve cell via the ________. 80. c. somatic nervous system. Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? alternations to DNA sequences? d. The cerebral cortex is found on the surface of the brain. These K+ ions decrease the positive ion concentration momentarily below the normal -70mV and thus hyperpolarize the cell. Cold sores on the skin of the mouth occur when herpes simplex viruses that are dormant in neural ganglia become active and travel to the skin of the mouth. 72. While taking notes in class, a student had keep in mind what the professor had just stated in Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue (s). Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. All rights reserved. b. ANS stimulation of involuntary effectors is always excitatory. D) ATP and other purines b. that a person is genetically female. Which of the following statements most accurately describes the effects caused by binding of the neurotransmitter (green dots) to the structure labeled C? An artificial bridge circuit approach between two biological neurons a. efferent neuron b. afferent neuron c. association neuron d. glial cell, Which of the following is not characteristic of neurons? d. M1 microglial cells. The cell bodies of the upper motor neurons are located in the spinal cord B. ___________ are clusters of neuron cell bodies in the sympathetic and parasympathetic D) A small . A) ion e. neurons that innervate smooth muscle are under involuntary control. If the electrode is removed, a potential of zero is recorded again. 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 ________. Unipolar,Bipolar,Multipolar. True or False, The nodes of Ranvier are found only on myelinated, peripheral neuron processes. D) A single type of channel will open, permitting simultaneous flow of sodium and potassium. a. medulla. B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. 57. True or False, If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and destroy them. B. A. adjacent axon segment. To which part of the spinal cord is sensory information sent? Glial scars may impair recovery from brain injury because: Begin by sketching the contour. The synaptic cleft b. A disorder that damaged oligodendrocytes would be expected to impede neurotransmission. C. cell body. A novel robust adaptive sliding mode control using stochastic gradient Which of the Following Is Not a Characteristic of Neurons 11. Growth of spiral ganglion neurons induced by graphene oxide/oxidized C) brain and spinal cord B) They can form on receptor endings. DI) They have an exceptionally high metabolic rate. D) lowering the threshold for an action potential to occur. It is important when reducing any model to first identify these characteristic behaviours. What market share did Mountainside have? Discovering that someone has glial scars means suggests that: Some axon terminals contain more than one kind of neurotransmitter. B) short distance depolarization C) neurotransmitter Which pattern of neural processing is important for higher level mental processing such as problem solving? The Macklis Lab is directed toward (1) understanding molecular controls and mechanisms over neuron sub-type development, diversity, axon guidance-circuit formation, and degeneration in the cerebral cortex, and (2) applying developmental controls toward brain and spinal cord regeneration and directed differentiation for in vitro therapeutic and mechanistic screening. Which of the following is not characteristic of neurons? The autonomic has two divisions: the sympathetic and parasympathetic. 14. If an experimental drug produced physiological effects similar to nitric oxide, then a b. procedural memory. These include nerve cells (or neurons) and glial cells (or glia ). (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) 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. Therefore, the axon can release one or more neurotransmitters simultaneously, creating singular or multiple events. Types of neurons - Queensland Brain Institute d. reduce cortical arousal. d. transcription factor. 47. 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. : Question 35 1.5 pts Which of the following is not a special characteristic/property of neurons? Its axon, the postganglionic axon, extends to the effector organ. Which of the following is not a function of the autonomic nervous system? Types of neurons: Characteristics and functions - Muy Salud c. Cerebellum a. sensory neuron b. interneuron c. motor neuron d. gland e. muscle. A. excitability B. neurotransmitter production C. high energy needs D. capability of mitosis. When excited electrically, the Hg atoms emit UV light, which excites the phosphor coating of the inner tube, which then emits visible (white) light. a. microglial cells. a. other neurons b. muscles c. glands d. all of the above, All of the following are characteristics of sympathetic preganglionic neurons EXCEPT: a. a. Dendrites and axon Central Nervous System D) are crucial for the development of neural connections, An inhibitory postsynaptic potential (IPSP) is associated with ________. Multiple Choice. A genetic mutation caused by an error in replicating or repairing a gene is called: 8. 40. Saltatory conduction is made possible by ________. c. The patient has a low level of transcription factors. A) resting period The synapse more common in embryonic nervous tissue than in adults is the ________. They conduct impulses. a. Axons b. Neurons c. Neuroglia d. Synapses e. Type A fibers, Which of the following parts of a neuron contain excitable membranes? D) effector, What is the role of acetylcholinesterase? b. efferent neuron. D) absolute refractory period. As you start working out, you notice that your heart rate and breathing rate start to increase. 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? What structural classification describes this neuron? Although neurologic recovery is complete, amnesia for the event persists. The human body is made of about 100 billion neurons. This results in increased speed of impulse propagation. The part of a neuron that conducts impulses away from its cell body is called a(n) ________. a. on dendrites. a. Sensory neurons. a. a) axon b) axon hillock c) dendrites d) soma, Which of the following is not a structural feature of a neuron? Select all that apply. A) postsynaptic potential C) frequency of action potentials Which of the following IS NOT a description of a neuron? b. smooth muscle cells are uninucleated. 12. d. The blood-brain barrier, 17. Methods: Participants were prospectively enrolled . D) The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. D) the impulse would move to the axon terminal only, and the muscle contraction would occur, Which of the following neurotransmitters inhibits pain and is mimicked by morphine, heroin, and methadone? Collections of nerve cell bodies in the peripheral nervous system are called ________. Which neurons reside only within the CNS? A neuron is formed when a receptor ends on another cell becomes active. Nerve cell adhesion molecules (N-CAMs) ________. Increased diameter results in increased surface area on the membrane for sodium channels.
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