The sheath of Schwann is also called the ________. a. the person had neurons that did not form correctly during neural development. Nerve cell adhesion molecules (N-CAMs) ________. a. it provides a protective cushion for the brain. c. Extrapyramidal System Similar to hormones, NO and CO promote longer-lasting effects by acting through intracellular second-messenger molecules. a. Pons c. they form an insulating material around axons. d. The blood-brain barrier, 17. These K+ ions decrease the positive ion concentration momentarily below the normal -70mV and thus hyperpolarize the cell. B) negatively charged and contains less sodium An inhibitory intracellular matrix releases neurotrophins to impair axon re-growth. D) biogenic amine, A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. The parasympathetic division includes the pelvic nerves. A. a. forebrain. Which of the following is false or incorrect? A) Cells with gap junctions use chemical synapses. B) amino acid (organalle) inside them, which is necessary to formation of mitotic. Inhibitory postsynaptic potentials (IPSPs) are "firing," but due to the neurotransmitter released and its action, the postsynaptic neuron is inhibited from "firing" (hyperpolarized). High mitotic rate B. If a neuroscientist described a structure as more lateral to a particular area, this means that: 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? Which of the following is not characteristic of neurons? Which of the following is true about the movement of ions across excitable living membranes? b. polymorphism. a) The preganglionic neuron (sometimes called the ganglionic neuron), is the first motor neuron. a. neuromuscular junction. Has component cells designed for conductivity b. 2 introduce new . If a person ingested a substance that temporarily impaired the functioning of the The STN also forms a reciprocally connected network with the GABAergic external globus pallidus that converges onto common basal ganglia output neurons. Question. d. spines along dendrites. (a) Fluorescent lightbulbs contain a small amount of mercury, giving a mercury vapor pressure of around 1*10^(-5) atm. c. Motor efferent neurons possess long dendrites and short axons. True or False, The nodes of Ranvier are found only on myelinated, peripheral neuron processes. What type of channel on the postsynaptic membrane binds neurotransmitter? Demyelination interferes with saltatory conduction, which would result in a slowing down of nerve impulse propagation. a. pituitary gland. a. decrease a neurons's aerobic energy metabolism. The autonomic has two divisions: the sympathetic and parasympathetic. Sensory and motor divisions. b) The preganglionic neuron (sometimes called the ganglionic neuron), is the second motor neuron. D) They are short-lived. Which of the following is true about the movement of ions across excitable living membranes? View the full answer. 71. adjacent axon segment. d . They have extreme longevity. b. Axon and soma a. midbrain. C) brain and spinal cord What mechanism is responsible for axonal transport? Sensory receptors for touch (and pressure) respond to physical deformation of the receptors, resulting in the opening of specific mechanically gated ion channels. d. None of these are correct. Neurons differ in their morphology and function. The contractions of skeletal muscles pull on tendons and move bones of the skeleton. the sympathetic division of the autonomic nervous system. Reflexes are rapid, automatic responses to stimuli. Motor has two divisions: the somatic and autonomic. The frequency of impulse transmission indicates the stimulus intensity and the brain responds appropriately. d. cingulate cortex. Ans: they are mitotic Unli . Which of the following is not a function of astrocytes? Which of the following statements is incorrect? d. ribosome transcription. (b) They have extreme longevity. D) glial cell, Saltatory conduction is made possible by ________. D) innervation of skeletal muscle, Collections of nerve cell bodies outside the central nervous system are called ________. B) repolarization a. efferent neuron b. afferent neuron c. association neuron d. glial cell, Which of the following is not characteristic of neurons? Neurons: d. temporal lobe. B) They have extreme longevity. These gases are neurotransmitters that act indirectly. The parasympathetic division includes the splanchnic nerves. d. Activation of postganglionic parasympathetic neurons, 65. B) muscle contraction would occur. b. the medulla. c. Ganglia 1. These neurons are inhibitory neurons, meaning they release neurotransmitters that keep other neurons from firing. b. Glossopharyngeal nerve c. pineal gland. Cedric S Raine. the membrane potential has been reestablished. A) long distance signaling 31) Neurons may be classified according to several characteristics. Their basic function is to receive and transmit information through electrical impulses. All of the following describe functions for cerebrospinal fluid except: Generally, these traits are not determined by just one gene, but instead by the cumulative effect . Just what does pass from the neuron to the muscle cells and, Which neuroglial cell type in the CNS is associated with many functions including support for neurons, forming a blood-brain barrier, secretion of neurotrophic factors, and uptake of K+ and neurotransmitters? Which of the following is not a function of the autonomic nervous system? 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? Alzheimer's disease (AD) is a progressive neurodegenerative disorder with an increasing worldwide prevalence. Which of the following conducts impulses to an effector? Which of the following is false or incorrect? c. hindbrain. 44. 3. According to the humidity characteristics of PEMFC, Vinu et al. Identify the neuron type described: A functional neuron type most prevalent in the CNS. 39. Discovering that someone has glial scars means suggests that: Which of the following is not characteristic of neurons? The characteristic neurologic picture including loss of consciousness, temporary respiratory arrest, and loss of reflexes. What is the function of upper motor neurons? Required fields are marked. a) anchor neurons to blood vessels b) control the chemical environment around neurons c) Provide the defense for the CNS d) support and brace neurons e) guide the migration of young neurons, synapse. A . Answer: Option D is correct Explanation: Neurons generally do not e . 42. a. Dendrite b. b. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. : Question 35 1.5 pts Which of the following is not a special characteristic/property of neurons? d. Neurotransmission from the neuron would increase. d. parasympathetic nervous system. Sympathetic nervous system neurons contact muscle tissue at neuromuscular junctions. They have long fibers from CNS to ganglion. 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. 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). Which type of microglial cells promote inflammation? C ) brain and spinal cord. 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 parasympathetic nervous system prepares the body for rigorous activity. d. astrocytes form and maintain the blood-brain barrier. Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. b. medulla c. it increases flow to highly active neurons. Its cell body is in an autonomic ganglion outside the CNS. d. Cingulate cortex. Which of the following is not a function of the autonomic nervous system? This protective role is important because cells of the immune system are denied access to the CNS. 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 ________. Diminished cerebral blood flow increases oxygen to neurons. Which of the following is not a function of the autonomic nervous system? c. ventricles. a. periaqueductal gray. C) the impulse would spread bidirectionally The principles outlined above can be applied to the neuron and its ionic contents.. inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. C) serotonin b. When a gene is activated, a specific DNA segment is unraveled and transcribed onto: What parts of a neuron are completely contained within a ganglion? a. a) norepinephrine b) cholinesterase c) gamma aminobutyric acid d) acetylcholine. a. Activation of preganglionic sympathetic neurons c. epigenetic stimulus. What is the role of acetylcholinesterase? STRUCTURAL FUNCTIONAL CHARACTERISTICS OF NERVOUS AND GLIAL CELLS. a. d) There, In order for skeletal muscle cells to contract, they must be excited by motor neurons. Neurons that carry impulses the central nervous system to the muscles or glands are called neurons or motor neurons. Traub et al. Potentials that are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized are called ________ potentials. Which of the following are the cells of nervous tissue? First, consider an object with an initial position x0x_0x0, an initial velocity v0v_0v0, and an acceleration aaa. C) diphasic impulses 27. What process does this interfere with and what would be the consequence? c. basal ganglia. b. Microglial cells Which of the following is NOT a function or characteristic of neurons? a. that a person will have a polymorphism. d. Polymorphism, 50. a. Multi-polar neurons b. Bipolar neurons c. Uni-polar neurons. b. autosomal chromosomes. The concentration of __ is higher inside than outside the cell. a. Schwann cells b. satellite cells c. microglia d. astrocytes e. oligodendrocytes f. ependymal cells. C. Skeletal muscles are responsible for the pumping action of the heart. (c) They have an exceptionally high metabolic rate. alternations to DNA sequences? B) norepinephrine d. ventral root. c. myelin around axons. The cerebral cortex is located in the forebrain. Responding to brain injury is an important function of astrocytes. certain disorder would most likely investigate which of the following? Neurons are the basic functional units of the nervous system, and they generate electrical signals called action potentials, which allow them to quickly transmit information over long distances. 31. B) provide the defense for the CNS While taking notes in class, a student had keep in mind what the professor had just stated in a. ribosomes. Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. A) support and brace neurons Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte. a. visual information. c. preganglionic terminals. Specialized cells in the nervous system that control behavior, senses, and movement are called: a. neurons. c. The person would later be unable to recall events that took place for some period of time after Neuronal processes that normally conduct impulses toward neuron cell bodies are called and those that carry impulses away from neuron cell bodies are called. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. The prefrontal cortex is important for working memory function. C. Myelin traps sodium ions in the ax. a) ion b) cholinesterase c) neurotransmitter d) biogenic amine. Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. A. Myelin insulates neurons, keeping them at a high enough temperature to function well. The generation of an action potential in a neuron requires the presence what type of membrane channels? depolarized to B. your answer. When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. C) biogenic amine Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue (s). B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. B) Ions always move passively across membranes. 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. a. reference memory. b. ventricles. nerve impulses) Need constant supply of nutrients and oxygen O All of the listed answer choices . A) act as a transmitting agent innervation of glands. ATP-dependent "motor" proteins such as kinesin, dynein, and myosin are responsible. c. Epigenetics There are two well-characterized cannabinoid receptors (CB1R and CB2R and other candidates): the central nervous system (CNS) enriched CB1R and peripheral tissue enriched CB2R with a wide dynamic range of expression levels in different cell types of human tissues. Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. c. Astrocytes The following is a list of characteristics of neurons: - Neurons are cells that specialized in the transmission of electrical impulses. c. the thalamus. Give a valid explanation of why this could occur. Characteristics Of Neurons. B) excitatory potential B) large nerve fibers 33. 20. A) the membrane potential has been reestablished According to the signal, carried by motor nerves to effector organs, the muscles and glands . a. anchor neurons to blood vessels. c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? specific or different from others in some way that they do not have. They propel cellular components along microtubules. Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials? c. Electrical impulses would be unable to travel down axons. It is important when reducing any model to first identify these characteristic behaviours. Immediately after an action potential has peaked, which cellular gates open? C) leakage channel a. corpus callosum. 53. D) control the chemical environment around neurons a. increase the activity of postganglionic sympathetic neurons. Damage to the hypothalamus may alter someone's motivation to eat. a. microglial cells. The patient is noncompliant and needs additional monitoring. 15. Answer (1 of 3): So a neuron is a specialized cell in the brain with certain characteristics. b. dorsal horn Some neuroglia remove debris and foreign material from the nervous system. b. cerebellum. Neurons are a specific type of nervous system cell that is able to generate signals and transmit them to other neurons or target end-cells. Tight junctions along blood vessels in the brain are formed by: The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. 2.Motor. B) They can form on receptor endings. acetylcholine Cerebrospinal is located in the following structures except: 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. c. Myelination What is the role of calcium in synaptic activity? 70. Describe the types of neurons, their structure and their function. which ofthe following is correct? D) astrocytes, Immediately after an action potential has peaked, which cellular gates open? 1. What is the long outgrowth of a neuron along which electrical impulses are transmitted? B) cholinesterase d. oligodendrocytes fail to myelinate re-growing axons. Answer: Option D is correct Explanation: Neurons generally do not e. c. the structure is further out to the side of the brain. Which of the following describes the ANS? Saltatory propagation occurs in _________ axons, in which action potentials _________. 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. C) Sodium gates will open first, then close as potassium gates open. Estimate the number of moles of Ar in a typical lightbulb. d. Interneurons, 16. A Pyrex container is completely filled with 275cm3275 \mathrm{~cm}^3275cm3 of mercury at 10.0C10.0{\degree} \mathrm{C}10.0C. The substance released at axon terminals to propagate a nervous impulse is called a (n) ________. A drug that caused someone to make a reckless decision might be affecting the: Which of the following statements is true? 47. d. astrocytes. During depolarization, the inside of the neuron's membrane becomes less negative. Because all action potentials are alike, how does the brain separate situations that require immediate attention from ordinary "positional" reports? b. hypothalamus A gap between Schwann cells in the peripheral system is called a(n) ________. taking the substance. A. Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? Which neurons reside only within the CNS? C) action potential D) gamma aminobutyric acid, Which of the following describes the nervous system integrative function? C) ganglia A severe tremor in someone's hands could be caused by abnormal functioning in the:
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