c. epigenetic stimulus. The part of a neuron that conducts impulses away from its cell body is called a (n) ________. D) are crucial for the development of neural connections, An inhibitory postsynaptic potential (IPSP) is associated with ________. response? d. motor neuron. The point where a motor neuron meets a muscle fiber is called the: The structure that meets the spinal cord in the hindbrain is the: Question. View the full answer. c. medulla They have high energy requirements (about 20 per. c. It is avascular. Treatment of pain with local anesthetics leads to an unfavorable decrease in general sensory acuity due to their indiscriminate block of both pain sensing . d. gyri. A substance that inhibits the activity of the cerebellum would be expected to: b. oligodendrocytes. All of the following describe the functions of astrocytes except: D) absolute refractory period. myelinated; move from one node of Ranvier to another. A) Cells with gap junctions use chemical synapses. a. microglial cells. c. The person would later be unable to recall events that took place for some period of time after The generation of an action potential in a neuron requires the presence what type of membrane channels? a. Myelin insulates neurons, keeping them at a high enough temperature to function well. Diminished activation of postganglionic sympathetic neurons 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. b. Reactive astrocytes C) opens K+ or Cl- channels a. other neurons b. muscles c. glands d. all of the above, All of the following are characteristics of sympathetic preganglionic neurons EXCEPT: a. Identify the cell type below that assists the function of neurons and has a supportive role within the nervous system? Visual disturbances, paralysis, and weakness, Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Elliot Aronson, Robin M. Akert, Timothy D. Wilson. Neuronal processes that normally conduct impulses toward neuron cell bodies are called and those that carry impulses away from neuron cell bodies are called. 60. The correct answer is (d) All of these are characteristic of neurons. a. norepinephrine. b. reduce the activity of postganglionic sympathetic neurons. b. Microglial cells threshold Voltage-gated Na+ If an experimental drug produced physiological effects similar to nitric oxide, then a Which of the following plays an integral role in saltatory conduction? Describe the types of neurons, their structure and their function. described as having a word on the tip of your tongue, might have abnormal functioning in the: d. hippocampus. d. that a person has autochromosomal traits. A) cholinesterase They are electrically excitable cells which generate action potentials. Which of the following describes the ANS? Which of the following is NOT a characteristic of neurons? In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. 1.Introduction. A) peripheral and spinal nerves b. transcription factors. 74. 14. Numerous Nissl bodies were observed, indicating that the neurons had a high ability to synthesize proteins. A) They conduct impulses. Study with Quizlet and memorize flashcards containing terms like Which of the following is not characteristic of neurons? ______________ are chemicals that promote the growth and development of neurons. A gap between Schwann cells in the peripheral system is called a(n) ________. What effect might a disease that destroyed oligodendrocytes have on neuronal function? C) calcium a. increase the activity of reactive astrocytes. a. Astrocytes b. cholinesterase. Motor has two divisions: the somatic and autonomic. What do ANS neurons regulate with regard to mechanical digestion? 67. a. Axons b. Neurons c. Neuroglia d. Synapses e. Type A fibers, Which of the following parts of a neuron contain excitable membranes? a. cerebral aqueduct. Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? Responding to brain injury is an important function of astrocytes. 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. Resting potentials are not just characteristics of nerve cells; all cells in the body have resting potentials. That is, they have a single axon and many dendrites. What are the cells that transmit nerve impulses between parts of the nervous system? . Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic and a postganglionic neuron? 23. A) the myelin sheath Why? Which cell causes endothelial cells to fit closely together? 13. Which of the following is not found in the limbic system? She asks the nurse,"Why did this have to happen to me again? A drug that increases appetite would likely affect: D) They are short-lived. In myelinated axons the voltage-regulated sodium channels are concentrated at the nodes of Ranvier. c) Neurons are the most abundant type of cell in nervous tissue. Which of the following is NOT a function or characteristic of neurons? Which of the following describes the nervous system integrative function? 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. A disease that destroyed astrocytes would be expected to: d. spines along dendrites. ce3z/(4zi)3dz. Neurons are relatively small, simple-structured cells. a. B) dendrite B) They have extreme longevity. a.) b. Broca's Aphasia. Which of the following membrane regions would have significant numbers of voltage-gated ion channels? If a physician identified her patient as a low drug metabolizer, which of the following is most Answer (1 of 3): So a neuron is a specialized cell in the brain with certain characteristics. b. cingulate cortex. What type of motor neuron stimulates skeletal muscle fibers to contract by the excitation contraction mechanism? As you start working out, you notice that your heart rate and breathing rate start to increase. 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? d. a transcription factor. Be What are the neuron functions for the peripheral nervous system? B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? a) control how neurons communicate at the synapse b) guide the development and differentiation of neurons and glial cells c) physically support neurons in the PNS to form nerves d) provide. Ans: they are mitotic Unli . Its cell body is in an autonomic ganglion outside the CNS. A. neuronal fibers; axons B. axons; dendrites C. dendr. Calcium influx into the synaptic terminal causes vesicle fusion. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. d. ventral root. B) excitatory potential Methods: Participants were prospectively enrolled . Sympathetic nervous system neurons contact muscle tissue at neuromuscular junctions. It is the main component of the nervous system- both the central nervous and peripheral nervous system. c. Autonomic Nervous System 26. D) nitric oxide, Which of the following describes the excitatory postsynaptic potential? Neurons in the CNS are organized into functional groups. c) Myelin traps sodium ions on the axon an. b. autosomal chromosomes. The _________________ facilitates balance and the timing of movements. Begin by sketching the contour. d. The person may have motor tremor. c. meninges. b. What is a credit line? Cell body c. Ganglion d. Axon, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? Which of the following is expected to occur first if the membrane potential decrease shown in the graph on the left were to reach the threshold value indicated at ~ -55 mV? a. Multi-polar neurons b. Bipolar neurons c. Uni-polar neurons. Transcribed image text: Which of the following is not a characteristic of neurons? 1. Some ions are prevented from moving down their concentration gradients by ATP-driven pumps. Which division of your nervous system is generating this response? While taking notes in class, a student had keep in mind what the professor had just stated in Which of the following are true about neurons? likely acting upon? a. regenerating axons may be unable to regain previous connections through the site of injury. Local anesthetics block voltage-gated Na+ channels, but they do not block mechanically gated ion channels. Which does NOT describe nervous tissue? C) Sodium gates will open first, then close as potassium gates open. What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? Neurons may be classified according to several characteristics. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. Oligodendrocytes are a type of neuroglia. b. increased heart rate. Reflexes are rapid, automatic responses to stimuli. a. epigenetics. A neuron is formed when a receptor ends on another cell becomes active. The synapse more common in embryonic nervous tissue than in adults is the ________. GBA variants increase the risk of Parkinson's disease (PD) by 10 times. a. corpus callosum. 3 special characteristics of neurons. A) peripheral and spinal nerves B) brain, spinal cord, and peripheral nerves C) brain and spinal cord D) spinal cord and spinal nerves. 24, 25 There were 255 and 319 . b. it provides a medium for nutrients to cells. The person may have constricted pupils. a. sensory neuron b. interneuron c. motor neuron d. gland e. muscle. A patient was admitted for depression. What are the functional classifications of neurons? B. a. Alzheimer's disease. d. medulla. a. Oligodendrocytes Which of the following is not characteristic of neurons? c. cause imbalance. Neurons are the cells that make up the brain and the nervous system. d. M1 microglial cells. 100% (3 ratings) Which of the following is NOT a characteristic of neurons? Neurons require continuous and abundant supplies of oxygen, and cannot survive for more than a few minutes without it. Specific instructions that encode for traits are called: A) They conduct impulses. Multiple Choice. b. If a loud noise made you jump, which structure was most likely responsible for this In your opinion, is "A Christmas Memory" merely a vivid portrayal of a memory, or does it also convey a theme, or message? The cell body is the metabolic center of the neuron. a. medulla. c. Activation of preganglionic parasympathetic neurons Deep brain imaging on the move | Nature Methods Has component cells designed for conductivity b. c. olfactory information. c. M2 Group C fibers are not capable of saltatory conduction. c. Epigenetics c. sleepiness. A) innervation of smooth muscle of the digestive tract It impacts your spinal cord and the nerves that transmit and receive messages between your brain and the rest of your body. (organalle) inside them, which is necessary to formation of mitotic. d. Sensory, Which neuron structure receives impulses from the preceding cell? 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? c. afferent neuron. That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. 78. 49. Which of the following is false or incorrect? Friedreich's ataxia is a rare disease that affects your central nervous system. c. genes. a. the thin filaments of smooth muscle fibers are attached to dense bodies. Specifically, combination therapy (simultaneous use of customized sub-perception field and paresthesia-based SCS) versus monotherapy (paresthesia-based SCS) was evaluated. What portion of the neuron receives signals from other neurons? a. basal ganglia C) microglia Like the heart, lungs, and stomach, the nervous system is made up of specialized cells. O They have extreme longevity. a. impair memory. Which of the following mechanisms is most significant in returning Na+ and K+ concentrations to resting ionic conditions (from point D to point E)? likely true? Motor afferent neurons possess long dendrites and short axons. The term central nervous system refers to the ________. 2. True or False, Unipolar neurons have axons structurally divided into peripheral and central processes. Schwann cells are functionally similar to ________. A) resting period C) oligodendrocytes I was doing so well." New three-photon miniature microscopes open the study of neuronal networks to those deep in the brains of behaving animals. a. periaqueductal gray. Which of the following is true about the movement of ions across excitable living membranes? destroy ACh a brief period after its release by the axon endings. 75. (c) They have an exceptionally high metabolic rate. C) frequency of action potentials C) are crucial in the production of neurotransmitters B) amino acid d. The cerebral cortex is found on the surface of the brain. C) ganglia having a low appetite. A&P EXAM 1 Ch 11,12,13,15 Flashcards | Quizlet What structural classification describes this neuron? a. forebrain. Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. d. hypothalamus. 13. The patient has a polymorphism that slow metabolism of a drug. A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. In which area of the neuron is an action potential initially generated? C) found in ganglia 33. Module 5 Enhancement Question Cabangil 1J-1 FF d) There, In order for skeletal muscle cells to contract, they must be excited by motor neurons. c. Inhibited digestion Introduction to Neurons and Neuronal Networks | Section 1, Intro D) stimulate the production of acetylcholine, Which of the following is not a function of the autonomic nervous system? b. that a person is genetically female. The hypothalamus is located in the: A. Sensory. [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. b. Constricted airways 47. 15. c. pons. 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. Which of the following is not characteristic of neurons? A) They are short-lived. A) ependymal cells However, the electrical impulse cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. A. Schwann cells myelinate PNS axons. b. thalamus. b. cause inattention. Strong stimuli cause the amplitude of action potentials generated to increase. During depolarization, the inside of the neuron's membrane becomes less negative. Some neuroglia remove debris and foreign material from the nervous system. 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. b. motor fibers that conduct nerve impulses from CNS to skeletal muscles. 79. a) ion b) cholinesterase c) neurotransmitter d) biogenic amine. B) hyperpolarization Specialized cells in the nervous system that control behavior, senses, and movement are called: a. neurons. 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. Cedric S Raine. STRUCTURAL FUNCTIONAL CHARACTERISTICS OF NERVOUS AND GLIAL CELLS. Hepatocytes and neurons express low baseline CB1R and CB2R, respectively, and their cell-type-specific functions are not well defined. b. ANS stimulation of involuntary effectors is always excitatory. a. d. gray matter. O They generate very fast O They are long when compared to other cells in the body O They help carry oxygen to different body parts O They do not have a nucleus. A drug that reduces the activity of the amygdala would likely: Which of the following would NOT be an example of having an activated sympathetic 2 introduce new . Which of the following is NOT characteristic of nervous tissue in the B) anchor neurons to blood vessels 6. Sensory Neurons Motor Neurons Inter-Neurons b. increasing glial scarring. C) negatively charged and contains more sodium. d. improve recovery from traumatic brain injury. b. Medulla kg 1), . b. Ventral root Characteristics Of Neurons. a. alertness. a. polymorphisms. The interior of a neuron is composed of cytoplasm and a gel that is called. 44. Inflammatory Cytokines Associated with Multiple Sclerosis Directly Their basic function is to receive and transmit information through electrical impulses. to axon segment Axon segment Specialized cells in the nervous system that control behavior, senses, and movement are. b. Neurotransmitters a) The preganglionic neuron (sometimes called the ganglionic neuron), is the first motor neuron. 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 ________. Which nerve cells carry impulses from the brain to the muscles? b. Axon and soma (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. Efferent nerve fibers may be described as motor nerve fibers. a. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. d. Autonomic Nervous System, 21. 11. Which of the following is NOT a function or characteristic of neurons? d. hippocampus. All of the following describe functions for cerebrospinal fluid except: Preganglionic neurons are short and synapse in ganglia located near the spinal cord. A) the membrane potential has been reestablished nervous system. Because all action potentials are alike, how does the brain separate situations that require immediate attention from ordinary "positional" reports? Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte. 54. 10 Characteristics Of Neurons (Nerve Cells) and Nervous System - 8SA.NET C) serotonin Which Of The Following Is Not Characteristic Of Neurons c. Electrical impulses would be unable to travel down axons. C) association neuron Polygenic inheritance is the inheritance of traits that are influenced by multiple genes. b. c. Dendrites and cell bodies are found in the lateral gray columns of thoracic and the firs, Which type of neuron transmits impulses from the central nervous system to effectors such as muscles and glands? B) synapse Classify neurons according to their function. The reticular activating system includes all of the following structures except: d. Neurotrophins. The parasympathetic division includes the pelvic nerves. a. decrease a neurons's aerobic energy metabolism. a. M4 Efferent neurons are ___ neurons carrying impulses to the muscles. Which neurons belong to the efferent pathway? Types of neurons: Characteristics and functions - Muy Salud A) axon B) dendrite C) neurolemma DI) Schwann cell. c. Astrocytes d. oligodendrocytes fail to myelinate re-growing axons. A. thow ion selectivity C. are gated A. When the neurons were damaged, the number of Nissl corpuscles decreased significantly . True or False, The overlapping functions of the nervous system are sensory input, integration, and motor output. d. pituitary gland. d. frontal lobe. 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. c. Generate ATP. What does the central nervous system use to determine the strength of a stimulus? Just from looking down a microscope, however, it becomes very clear that not all neurons are the same. d. touch information. Both responses are examples of graded potentials. 18. The cerebral cortex is located in the forebrain. a. Autonomic pathways consist of two types of motor neurons. a. Trigeminal nerve In addition to diffusion, what are two other mechanisms that terminate neurotransmitter activity? If a neuroscientist described a structure as more lateral to a particular area, this means that: A) postsynaptic potential Which of the following correctly describes a graded potential? During depolarization, the inside of the neuron's membrane becomes less negative. The cerebellum is located in the: 56. a. it is not an increase in membrane potential b. causes the voltage of the internal membrane towards zero c. inside the membrane becomes more positive than resting potential d. lowers the probability of producing an action potential e. none of the above. A) acetylcholine 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.