(c) They have an exceptionally high metabolic rate. b. procedural memory. Study with Quizlet and memorize flashcards containing terms like Which of the following is not characteristic of neurons? Neurons synapse with: a. other neurons b. muscles c. glands d. all of these. a. midbrain. certain disorder would most likely investigate which of the following? D) nitric oxide, Which of the following describes the excitatory postsynaptic potential? d. cingulate cortex. D) positively charged and contains more sodium. Neurons may be classified according to several characteristics. C) sensory neurons that convey information from somatic receptors in the head, body wall, and limbs and from receptors from the special senses of vision, hearing, taste, and smell to the CNS What are the neuron functions for the peripheral nervous system? What portion of the neuron receives signals from other neurons? b. motor fibers that conduct nerve impulses from CNS to skeletal muscles. spindle fibres to divide the cell. b. 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. First, consider an object with an initial position x0x_0x0, an initial velocity v0v_0v0, and an acceleration aaa. This area is also known as the soma or perikaryon. What are the possible responses? They have long fibers from CNS to ganglion. C) opens K+ or Cl- channels A) axon B) dendrite C) neurolemma DI) Schwann cell. A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. Which neurons reside only within the CNS? The majority of these axonal knobs are shown to be "firing." The latter from the brain to the spinal cord. c. neurotrophins. Describe the structure of neurons 2. b. sulci. D) astrocytes, Immediately after an action potential has peaked, which cellular gates open? Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system (CNS) coined by inflammation and neurodegeneration. C) They can be called postsynaptic potentials. What does myelin do for neurons? The thalamus routes all types of sensory information except: 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? Similar to hormones, NO and CO promote longer-lasting effects by acting through intracellular second-messenger molecules. A) axon B) Schwann cells b. the blood-brain barrier Calcium influx into the synaptic terminal causes vesicle fusion. 31) Neurons may be classified according to several characteristics. They are like neurons except that they lack axons. c. Motor efferent neurons possess long dendrites and short axons. a. Basal ganglia d. Neurotransmission from the neuron would increase. D) all sodium gates are closed, In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? While taking notes in class, a student had keep in mind what the professor had just stated in 55. d. Neurons. B) voltage-gated channel What is the function of dendrites in a neuron? If a neuroscientist stated that a brain structure had efferent neurons, what can be concluded? 54. 5. Answer (1 of 3): So a neuron is a specialized cell in the brain with certain characteristics. (1991) finds that the CA1 neuron exhibits trains of action potentials when a small current (< 1 nA) is applied to the soma, but a full calcium spike and burst followed by trains of action potentials when the same small current is applied to . Which of the following is NOT a characteristic of neurons? What is the role of calcium in synaptic activity? D) spinal cord and spinal nerves, The substance released at axon terminals to propagate a nervous impulse is called a(n) ________. inability to divide by mitosis long cell life span (longevity) high aerobic metabolic rate ability to survive in anaerobic (Uithout oxygen) conditions. 43. a. norepinephrine. B) They can form on receptor endings. D) gamma aminobutyric acid, Which of the following describes the nervous system integrative function? c. the thalamus. Damage to the ________________ could cause changes to one's motivation to eat, such as b. it provides a medium for nutrients to cells. c. cause imbalance. A second nerve impulse cannot be generated until ________. Strong stimuli cause the amplitude of action potentials generated to increase. The presence of at least one Y chromosome indicates: D) ligand-gated channel, An impulse from one nerve cell is communicated to another nerve cell via the ________. Integrate. d. support and brace neurons. _____________ is the study of how genes support the function of neurons. b. ventricles. Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials? C) oligodendrocytes d. the person has a history of drug abuse. Transcription factors increase or decrease gene transcription. This disease causes gradual muscle stiffness . What is the role of acetylcholinesterase? a. Oligodendrocytes a. Activation of preganglionic sympathetic neurons nerve impulses) Need constant supply of nutrients and oxygen O All of the listed answer choices . View the full answer. Which of the following is not a structural feature of a neuron? b. This is an example of: Required fields are marked. The generation of an action potential in a neuron requires the presence what type of membrane channels? The midbrain contains the: Because all action potentials are alike, how does the brain separate situations that require immediate attention from ordinary "positional" reports? b. glial cells. B) amino acid b. cerebellum. These include nerve cells (or neurons) and glial cells (or glia ). B) repolarization Which of the following is not true concerning the structural classification of neurons? In the case of nerve . It also affects your cerebellum, the part of your brain that controls movement and balance. Schwann cells are functionally similar to ________. The cerebral cortex is located in the forebrain. A) act as a transmitting agent D. Association Central Nervous System. A) Specific sodium gates will open. a. on dendrites. 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? Question. B) chloride There are three types of neurons. d. inferior colliculus. a. pituitary gland. b. the structure is closer to the midline of the brain. A) a change in sodium ion permeability The pons is activated when someone startles. Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. a. basal ganglia 1. a. B) They have extreme longevity.C) They are mitotic. 59. Which of the following is false or incorrect? b. A. Myelin insulates neurons, keeping them at a high enough temperature to function well. Which of the following is the study of mechanisms of gene expression not involving b. Somatics C) acetylcholine a. impair memory. High mitotic rate B. response? 67. b. Microglial cells 63. c. that a person is genetically male. Diminished cerebral blood flow increases oxygen to neurons. D) Ions always move from an area of higher concentration to an area of lower concentration, A second nerve impulse cannot be generated until ________. C) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. . 57. b. Axon and soma Expert Answer. People throughout history (has, have) been fascinated by the moon. The patient has a polymorphism that slow metabolism of a drug. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. A drug that reduces the activity of the amygdala would likely: Discovering that early life stress may cause polymorphisms that increase the risk of b) Myelin prevents conduction of electricity from the axon hillock to the axon terminal. 56. c. Myelin traps sodium ions in the axon and, What does myelin do for neurons? March 17, 2022. 38. b. a. meninges. B) muscle contraction would occur. A) acetylcholine Which of the following surrounds PNS neurons and provides support? A) They conduct impulses. A genetic mutation caused by an error in replicating or repairing a gene is called: 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) _____. d. the hypothalamus. 1. The axon hillock is located: b. b. smooth muscle cells are uninucleated. myelinated; move from one node of Ranvier to another. Choose the correct order of these events below. Myelinated neurons conduct impulses faster than unmyelinated neurons because? 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. c. Myasthenia Gravis. What is a substance released from neurons that influences the sensitivity of neurons to neurotransmitters called? b. Pons Identify the following: Acetylcholinesterase would be found in the synapse between neurons for this branch of the ANS and the effector cells. a. Axons b. Neurons c. Neuroglia d. Synapses e. Type A fibers, Which of the following parts of a neuron contain excitable membranes? stem c.) muscles d.) osteocytes. The autonomic has two divisions: the sympathetic and parasympathetic. d. Neurogenetics. Responding to brain injury is an important function of astrocytes. A substance that inhibits the activity of the cerebellum would be expected to: c. pons The nervous system most dominant while relaxing is the: The person would have impaired movement while the drug's effects were active. Just from looking down a microscope, however, it becomes very clear that not all neurons are the same. Estimate the number of moles of Ar in a typical lightbulb. d. Neurons. 20. How can a single axon respond to several different kinds of events? Which of the following is NOT characteristic of smooth muscle? Which functional classification of neurons is the most numerous? What does the central nervous system use to determine the strength of a stimulus? 3. Enkephalins and endorphins are peptides that act like morphine. Motor. A drug that inhibited the reticular activating system would most likely cause: Alzheimer's disease (AD) is a progressive neurodegenerative disorder with an increasing worldwide prevalence. Neurons and muscle cells are considered excitable tissues because they do what? Characteristics Of Neurons. The interior of a neuron is composed of cytoplasm and a gel that is called. 32. c. reticular formation. What structural classification describes this neuron? A Pyrex container is completely filled with 275cm3275 \mathrm{~cm}^3275cm3 of mercury at 10.0C10.0{\degree} \mathrm{C}10.0C. d. represent a general decline of autonomic nervous system activity. Be C) depolarization D. axon hillock. 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 a function of the autonomic nervous system? c. epigenetic stimulus. a. interneuron. e. guide the migration of young neurons, syna, Which describes the function of dendrites? Cells may have long extensions. 23 We detected neurons and extracted temporal components from the calcium imaging data (Figure 2 C) with the CNMF-E toolbox. A substance that directly activates gene transcription is likely acting as a: 10. analyzes sensory information, stores information, makes decisions. It is shown that localized co-injection of lidocaine derivative QX-314 and receptor agonists is able to block cold sensitivity in mice in a targeted way, with implications for treating cold pain associated with injury and disease. Which of the choices below describes the ANS? Which of the following correctly describes a graded potential? E) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability. When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. d. astrocytes. What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? likely acting upon? When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. Efferent nerve fibers may be described as motor nerve fibers. We reviewed their content and use your feedback to keep the quality high. b) The preganglionic neuron (sometimes called the ganglionic neuron), is the second motor neuron. What type of channel on the postsynaptic membrane binds neurotransmitter? Fill in the blank. Upper motor neurons are classified according to the pathways they travel in C. The Babinski response is not characteristic of paralysis from UMN lesions Resting potentials are not just characteristics of nerve cells; all cells in the body have resting potentials. b. thalamus. C. Skeletal muscles are responsible for the pumping action of the heart. 42. What are the different types of motor neurons? Which cells in the brain remove normal cellular waste? 1. Which of the following statements is true of both membrane potential responses shown in the graphs? ________ is a disease that gradually destroys the myelin sheaths of neurons in the CNS, particularly in young adults. order to draw a diagram in her notebook. D) sensory and motor neurons that supply the digestive tract, What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? d. None of these are correct. the sympathetic division of the autonomic nervous system. D) They are mitotic. 73. a. the person had neurons that did not form correctly during neural development. The parasympathetic division includes the splanchnic nerves. However, the neuron in question does not transmit an impulse. d. astrocytes form and maintain the blood-brain barrier. Which of the following membrane regions would have significant numbers of voltage-gated ion channels? o Neurons have a very long lifespan Have low mitotic activity fie cannot undergo cell division) O Ability to transmit electrical signals (i.e. It is composed of densely packed cells. 51. 40. Estimate the mass of Hg vapor present in the type of long, thin fluorescent tubes used in offices. The person may have constricted pupils. Schwann cells myelinate PNS axons. A patient is admitted to the hospital with exacerbation of multiple sclerosis (MS). Which of the following are true about neurons? Which nerve cells carry impulses from the brain to the muscles? are crucial for the development of neural connections. Functions. d. Inhibited salvation. Motor neurons transmit the nerve impulses from CNS to effectors (muscles and glands). The basal ganglia act to stabilize voluntary movements. Which of the following would be most likely to increase heart rate? c. Cerebellum b. medulla The comparison demonstrates that the suggested controller closely tracks the reference voltage than the . Motor has two divisions: the somatic and autonomic. Describe annual cleanupthat isfrequently present in these agreements. A) release nerve growth factor b. Medulla A) the membrane potential has been reestablished c. Autonomic Nervous System a. efferent neuron b. afferent neuron c. association neuron d. glial cell, Which of the following is not characteristic of neurons? The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. 24, 25 There were 255 and 319 . researcher would: 34. a. That is, they have a single axon and many dendrites. 79. a. Autonomic pathways consist of two types of motor neurons. A neuron consists of a nucleus, a region of tissue that contains the cell body. group cfibers are not capable of salatory conduction. B) Ions always move passively across membranes. d. RNA. c. synapses. Which of the following is not characteristic of neurons? A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. Polygenic inheritance is the inheritance of traits that are influenced by multiple genes. alternations to DNA sequences? d. They are the same as any other cells. c) Neurons are the most abundant type of cell in nervous tissue. Hint. The human body is made of about 100 billion neurons. b. basal ganglia synapses. A thirestold potential must be excecded or reached. Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. C) negatively charged and contains more sodium Which of the following stimuli caused the reaction in the graph on the left? Write a paragraph describing the d. Polymorphism, 50. d. gyri. c. reduced oxygen delivery to cells. Current flows continuously, Local current flows They may live as long as the organism they are part of, and they have an exceptionally high metabolic rate, requiring large amounts of glucose and oxygen to produce ATP. If a drug severely depressed the functioning of the medulla, which of the following might be C. cell body. a. tegmentum. c. Neuromuscular junction STRUCTURAL FUNCTIONAL CHARACTERISTICS OF NERVOUS AND GLIAL CELLS. A) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands What do ANS neurons regulate with regard to mechanical digestion? d. spines along dendrites. 62. a. Oligodendrocytes A. thow ion selectivity C. are gated A. However, the electrical impulses cannot pass directly from a nerve cell to the skeletal muscle cells to excite them. Treatment of pain with local anesthetics leads to an unfavorable decrease in general sensory acuity due to their indiscriminate block of both pain sensing . Collections of nerve cell bodies in the peripheral nervous system are called ________. Which nervous sytem is responsible for delivering voluntary motor signals from the CNS to a. Sensory neurons. The latter from the brain to the spinal cord. 9. Then, underline the verb in parentheses that agrees with the subject. B) hyperpolarization 27. a. M4 She asks the nurse,"Why did this have to happen to me again? 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. Vagus nerve. Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. Which of the following is not a function of astrocytes? What market share did Mountainside have? Which of the choices below describes the ANS? c. The person would later be unable to recall events that took place for some period of time after Transcribed image text: Which of the following is not a characteristic of neurons? a. corpus callosum. 11. If a loud noise made you jump, which structure was most likely responsible for this D. Skeletal muscles supports the weight of some internal organs. D) A single type of channel will open, permitting simultaneous flow of sodium and potassium. 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. Which division of your nervous system is generating this response? Specialized cells in the nervous system that control behavior, senses, and movement are called: a. neurons. Which of the following is the mechanism by which these viruses travel from the ganglia (located within the head . Sensory and motor divisions. 75. Potentials that are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized are called ________ potentials. a.) Touch stimulation of this sensory receptor will open the mechanically gated ion channels, but action potentials are still not initiated because propagation of an action potential requires the opening of voltage-gated Na+ channels. d. hypothalamus. An inhibitory intracellular matrix releases neurotrophins to impair axon re-growth. Friedreich's ataxia is a rare disease that affects your central nervous system. 12. a. that a person will have a polymorphism. C) They have an exceptionally high metabolic rate. It is impossible in a single chapter to delineate comprehensively the extensive structural, topographical and functional variation achieved by this cell type. True or False, The autonomic nervous system is under voluntary control; whereas, the somatic nervous system is involuntary. a. sensory neuron b. interneuron c. motor neuron d. gland e. muscle. All rights reserved. 1. Many drugs that produce highly enjoyable effects likely do so by affecting the: C) the impulse would spread bidirectionally B) motor fibers that conduct nerve impulses from the CNS to skeletal muscles From a historical standpoint, no other cell type has attracted as much attention or caused as much controversy as the nerve cell. 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? The landscaping business for the area totaled about$1,340,000 for the year. C) They increase amplitude as they move away from the stimulus point. 47. Damage to the hypothalamus may alter someone's motivation to eat.
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which of the following is not characteristic of neurons?
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