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c. Myasthenia Gravis. a. other neurons b. muscles c. glands d. all of the above, All of the following are characteristics of sympathetic preganglionic neurons EXCEPT: a. This disease causes gradual muscle stiffness . Characteristics Of Neurons. The _________________ facilitates balance and the timing of movements. 72. Expert Answer. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. A) innervation of smooth muscle of the digestive tract d. Extrapyramidal System. That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. ___________ are clusters of neuron cell bodies in the sympathetic and parasympathetic c. preganglionic terminals. The part of a neuron that conducts impulses away from its cell body is called a(n) ________. Name two amino acid neurotransmitters, two catecholamines, and two peptides. a. corpus callosum. Study with Quizlet and memorize flashcards containing terms like Which of the following is not characteristic of neurons? A. B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. B) afferent neuron The characteristics that vary on a continuum among people, such as height, skin color, or intelligence, are most likely determined by polygenic inheritance. Which of the following is not a function of astrocytes? Both responses are examples of graded potentials. Which of the following is correct? ATP-dependent "motor" proteins such as kinesin, dynein, and myosin are responsible. Identify the neuron type described: A functional neuron type most prevalent in the CNS. A) Sensory neuron B) Motor neuron C) Interneuron D) All of the above. Indicate the number of orbitals in the 6p sublevel. d. support and brace neurons. 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. Which nervous system was the drug most The correct answer is (d) All of these are characteristic of neurons. b. that a person is genetically female. a. Neurons communicate with other neurons in the central nervous system. I was doing so well." Classify neurons according to their function. The oligodendrocytes can myelinate several axons. A. Sensory. d. parasympathetic nervous system. spindle fibres to divide the cell. Saltatory propagation occurs in _________ axons, in which action potentials _________. B) anchor neurons to blood vessels C ) brain and spinal cord. b. ANS stimulation of involuntary effectors is always excitatory. Demyelination interferes with saltatory conduction, which would result in a slowing down of nerve impulse propagation. a. Autonomic pathways consist of two types of motor neurons. We investigated here the direct and differential effects of inflammatory mediators on human neurons. c. reduced oxygen delivery to cells. c. midbrain. c. Generate ATP. Neurons are found across the body but are most numerous in the brain. Which of the following is not a function of the autonomic nervous system? A) innervation of smooth muscle of the digestive tract B) innervation of cardiac muscle C) innervation of skeletal muscle D . FUNCTIONS OF ORGANELL NEURONS<br><br>The nerve cell - neuron - is a structural and functional unit of nervous tissue. Which of the following is not characteristic of neurons? d. Interneurons, 16. 4. Select the correct statement about serial processing. What are the basic divisions of the peripheral nervous system? c. meninges. These gases are neurotransmitters that act indirectly. 57. What are the possible responses? d. hippocampus. True or False, The action potential is caused by permeability changes in the plasma membrane. a. basal ganglia d. cause a tremor. C) are crucial in the production of neurotransmitters ependymal cells____ help to circulate the cerebrospinal fluid: which of the following is an excitatory nerotransmitter secreted by motor neurons innervating skeletal muscles? a. Collections of nerve cell bodies in the peripheral nervous system are called ________. B. Transcribed image text: Which of the following is not a characteristic of neurons? Cerebrospinal is located in the following structures except: Which type of microglial cells promote inflammation? D) voltage regulated repolarization, Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. Neurotransmitter is released from presynaptic neurons through what mechanism? b. the person has a disease that affects myelin around axons. c. The person may stop breathing. Identify the following: Acetylcholinesterase would be found in the synapse between neurons for this branch of the ANS and the effector cells. Study with Quizlet and memorize flashcards containing terms like 1. We used embryonic stem cell-derived (H9) human neuronal stem cells . Which of the following is false or incorrect? B) type of stimulus receptor c. working memory. A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. Stimulation of initial axon segment 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. c. Astrocytes b. Neurotransmitters 64. Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. Which of the following is a factor that determines the rate of impulse propagation, or conduction velocity, along an axon? 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? d. ventral root. Which of the following is an EXCITATORY neurotransmitter secreted by motor neurons innervating skeletal. 75. However, the electrical impulses cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. b. it provides a medium for nutrients to cells. inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. c. cause imbalance. ______________ are chemicals that promote the growth and development of neurons. C) found in ganglia c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? a. norepinephrine. What are the small lower motor neurons that innervate intrafusal muscle fibers that are part of specialized stretch receptors called? B) large nerve fibers Which nervous sytem is responsible for delivering voluntary motor signals from the CNS to c. sleepiness. b. Axon and soma Name the following: Nervous tissue cells that regulate the chemical environment of neurons. c. neurotrophins. analyzes sensory information, stores information, makes decisions. c. gene duplication. d. M1. D) are crucial for the development of neural connections, An inhibitory postsynaptic potential (IPSP) is associated with ________. a. Trigeminal nerve a. reduced cerebrospinal fluid. Which of the following is not a chemical class of neurotransmitters? This protective role is important because cells of the immune system are denied access to the CNS. 33. sure to include the influence of German philosopher Karl Marx in WHICH OF THE FOLLOWING IS TRUE REGARDING UMNS ? Which of the following describes the ANS? C) receptor 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. 38. A) They conduct impulses. A. neuronal fibers; axons B. axons; dendrites C. dendr. c. Hippocampus O They conduct impulses. B) the Na ions have been pumped back into the cell . In addition to diffusion, what are two other mechanisms that terminate neurotransmitter activity? In the presence of invading microbes, microglial cells become macrophages to phagocytize the microbes and neuronal debris. 31. 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? 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. All of the following describe functions for cerebrospinal fluid except: Conduct chemo-electrical impulses. The characteristic neurologic picture including loss of consciousness, temporary respiratory arrest, and loss of reflexes. d. cerebellum. That is, they have a single axon and many dendrites. 2. Which of the following mechanisms is most significant in returning Na+ and K+ concentrations to resting ionic conditions (from point D to point E)? Which of the choices below describes the ANS? A. Which statement is true? High mitotic rate B. Treatment of pain with local anesthetics leads to an unfavorable decrease in general sensory acuity due to their indiscriminate block of both pain sensing . 14. 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. The term central nervous system refers to the ________. The former make connections from the spinal cord to the muscles. C) oligodendrocytes b. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. 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. 3. Which of the following is NOT a function or characteristic of neurons? An experimental drug that reduces the release of chemicals that inhibit axon growth may: Which of the following is true about the movement of ions across excitable living membranes? A) positively charged and contains less sodium d. The blood-brain barrier, 17. c. M2 All other trademarks and copyrights are the property of their respective owners. First, consider an object with an initial position x0x_0x0, an initial velocity v0v_0v0, and an acceleration aaa. What is the function of upper motor neurons? formation. The point where a motor neuron meets a muscle fiber is called the: True or False, A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. The cell bodies of the upper motor neurons are located in the spinal cord B. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. a. Schwann cells b. oligodendrocytes c. astroc, What kind of nerve cells are thought to be helpers for the neurons? B) called neuroglial cells A neuron is a cell that communicates with the brain. 13. b. Somatics (c) They have an exceptionally high metabolic rate. We studied the biochemical characteristics of dopaminergic (DA) neurons generated from induced pluripotent stem cells (iPSCs) from a PD . 56. C) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability D) stimulate the production of acetylcholine, Which of the following is not a function of the autonomic nervous system? C) frequency of action potentials As you start working out, you notice that your heart rate and breathing rate start to increase. Show the details. B) dendrite 26. Enkephalins and endorphins are peptides that act like morphine. E) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability. b. reduce the activity of postganglionic sympathetic neurons. The human body is made of about 100 billion neurons. Efferent neurons are ___ neurons carrying impulses to the muscles. The majority of these axonal knobs are shown to be "firing." Which of the following is not a characteristic of neurons? A drug that inhibited the reticular activating system would most likely cause: (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. B They have extreme longevity. d. Parkinson's disease. d. that a person has autochromosomal traits. Which of the following is NOT a characteristic of neurons? c. a ventricle. C) Neurotransmitter receptors are located on the axons terminals of cells. D) glial cell, Saltatory conduction is made possible by ________. Which of the following is correct? B. Skeletal muscles store nutrient reserves. 1.Sensory. c. Astrocytes A disease that destroyed astrocytes would be expected to: b. transcription factors. Visual disturbances, paralysis, and weakness, Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Elliot Aronson, Robin M. Akert, Timothy D. Wilson. a. cerebellar ataxia. d. medulla. D. Involved in fast-acting body control. a. Dendrites and axon 1. When the neurons were damaged, the number of Nissl corpuscles decreased significantly . Sensory and motor divisions. c. Epigenetics b. hypothalamus. b) Myelin prevents conduction of electricity from the axon hillock to the axon terminal. D. Association Central Nervous System. (a) They conduct impulses. a. forebrain. What are the different classes of neurons and their functions? 12. Discovering that someone has glial scars means suggests that: D) astrocytes, What does the central nervous system use to determine the strength of a stimulus? An anesthetic protocol allowing electrophysiological singleunit recordings from inhibitory, presumably GABAergic PC interneurons in vivo is developed and may be useful for evaluation of PC neurons in kindled rats. c. reticular formation. Responding to brain injury is an important function of astrocytes. Myelinated neurons conduct impulses faster than unmyelinated neurons because? These neurons are inhibitory neurons, meaning they release neurotransmitters that keep other neurons from firing. myelinated; move from one node of Ranvier to another. c. Cerebellum The reticular activating system includes all of the following structures except: A) sodium B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal. 60. b. The Quadratic Formula from Kinematics In this problem we show how the kinematic equations of motion can be used to derive the quadratic formula. a. impair memory. a. Basal ganglia Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. _____________ is the study of how genes support the function of neurons. b. Sensory afferent neurons possess long dendrites and short axons. The following is a list of characteristics of neurons: - Neurons are cells that specialized in the transmission of electrical impulses. Then, underline the verb in parentheses that agrees with the subject. True or False, Which of the following is not a function of astrocytes? Neuroglia perform supportive functions in the brain. 61. (a) Fluorescent lightbulbs contain a small amount of mercury, giving a mercury vapor pressure of around 1*10^(-5) atm. B) excitatory potential The part of a neuron that conducts impulses away from its cell body is called a(n) ________. Glial scars may impair recovery from brain injury because: innervation of skeletal muscle. a. receives input from sensory neurons b. directs activity of motor neurons that innervate muscles and glands c. contains association neurons within the brain and spinal cord d. conta, Which of the following is not a function of astrocytes? d. implicit memory. conditions in Russian society that led to the Revolution of 1917. The landscaping business for the area totaled about$1,340,000 for the year. c. epigenetic stimulus. Events that occur during synaptic activity are listed here, but they are arranged in an incorrect order. What parts of a neuron are completely contained within a ganglion? Current flows continuously, Local current flows Tight junctions along blood vessels in the brain are formed by: The part of a neuron that conducts impulses away from its cell body is called a (n) ________. Which nerve cells carry impulses from the brain to the muscles? C) brain and spinal cord These include nerve cells (or neurons) and glial cells (or glia ). b. hindbrain. Neurons are a type of cell and are part of the nervous system. c. The person would later be unable to recall events that took place for some period of time after c. Motor efferent neurons possess long dendrites and short axons. What market share did Mountainside have? . B) The release of neurotransmitter molecules gives cells the property of being electrically coupled.