which of the following is not characteristic of neurons?

Nerve cell adhesion molecules (N-CAMs) ________. b. Reactive astrocytes c. enhance the activity of reactive astrocytes. 78. View the full answer. a. decrease a neurons's aerobic energy metabolism. What distinguishes nerve cells and other excitable membranes (e.g., muscle cells) is that they are capable of changing their resting potential. B) anchor neurons to blood vessels c. hippocampus. That is, they have a single axon and many dendrites. b. 10. 1. Select the correct statement about serial processing. Which of the following portions of the neuron transmits neurotransmitters? They are robust signaling cells. 13. A substance that inhibits the activity of the cerebellum would be expected to: cells would most likely be responsible? b. transcription factors. d. pituitary gland. a. basal ganglia You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Responding to brain injury is an important function of astrocytes. C. They are mitotic. 51. b. Neurons would be unable to form the blood-brain barrier. Which of the following is not characteristic of neurons. 57. What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? 1. Both excitatory and inhibitory potentials impinge on neurons. to axon segment Axon segment 54. C) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. b. sympathetic nervous system. analyzes sensory information, stores information, makes decisions. A) They conduct impulses. d. improve recovery from traumatic brain injury. 32. A) peripheral and spinal nerves B) brain, spinal cord, and peripheral nerves C) brain and spinal cord D) spinal cord and spinal nerves. b. Sensory afferent neurons possess long dendrites and short axons. What are the neuron functions for the peripheral nervous system? Group C fibers are not capable of saltatory conduction. d. M1. d. gray matter. A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons. What does myelin do for neurons? Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? c. afferent neuron. Cell body c. Ganglion d. Axon, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? A) the impulse would move to the axon terminal only which ofthe following is correct? C. cell body. Experts are tested by Chegg as specialists in their subject area. D) moves membrane potential away from threshold. a. anchor neurons to blood vessels. B) oligodendrocytes Inhibitory postsynaptic potentials (IPSPs) are "firing," but due to the neurotransmitter released and its action, the postsynaptic neuron is inhibited from "firing" (hyperpolarized). c. epigenetic stimulus. When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________. 8. If an experimental drug produced physiological effects similar to nitric oxide, then a Then, underline the verb in parentheses that agrees with the subject. c. pons. Polygenic inheritance is the inheritance of traits that are influenced by multiple genes. Stimulation of initial axon segment The former make connections from the spinal cord to the muscles. a. Multi-polar neurons b. Bipolar neurons c. Uni-polar neurons. They conduct impulses. A) An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane. In this issue, Zhao et al. A) positively charged and contains less sodium Multiple Choice. A) An excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold. c. midbrain. The landscaping business for the area totaled about$1,340,000 for the year. Which of the following is not a function of astrocytes? b. increased heart rate. High metabolic rate. Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. d. act as transcription factors. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. Which of the following is not characteristic of neurons? Why does a hyperpolarization phase generally follow a repolarization phase in an action potential? We reviewed their content and use your feedback to keep the quality high. Motor afferent neurons possess long dendrites and short axons. What two physiological characteristics are highly developed in the neurons? Which of the following is NOT a characteristic of the parasympathetic division? c. Electrical impulses would be unable to travel down axons. Neuronal processes that normally conduct impulses toward neuron cell bodies are called and those that carry impulses away from neuron cell bodies are called. d. The blood-brain barrier, 17. C) guide the migration of young neurons, synapse formation, and helping to determine capillary permeability (a) Cell body (b) Dendrites (c) Axon (d) All of the above are structural features of a neuron. All of the following describe the functions of astrocytes except: 26. Transcribed image text: Which of the following is not a characteristic of neurons? Enkephalins and endorphins are peptides that act like morphine. Current flows continuously, Local current flows Which of the following is not characteristic of neurons? This protective role is important because cells of the immune system are denied access to the CNS. c. Motor neurons. It is important when reducing any model to first identify these characteristic behaviours. Ans: they are mitotic Unli . How are women stereotyped by men in Lamb to the Slaughter by Roald Dahl? A) Specific sodium gates will open. c. it increases flow to highly active neurons. 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. Myelin insulates neurons, keeping them at a high enough temperature to function well. Which of the following plays an integral role in saltatory conduction? High metabolic rate C. Require continuous supplies of glucose and oxygen D. Extreme longevity E. No exceptions; all of these are characteristic of neurons. Which pattern of neural processing is important for higher level mental processing such as problem solving? D) astrocytes, Immediately after an action potential has peaked, which cellular gates open? a. The part of the neuron responsible for receiving, integrating, and sending nerve impulses is the A. dendrite. c. cause imbalance. a. impair memory. a. Amygdala c. Astrocytes 11. d. Sensory efferent neurons po. The hypothalamus is located in the: b. medulla b. cerebrospinal fluid. response? Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. In your opinion, is "A Christmas Memory" merely a vivid portrayal of a memory, or does it also convey a theme, or message? Ganglia are on or near the target organ. Answer: Option D is correct Explanation: Neurons generally do not e . As you start working out, you notice that your heart rate and breathing rate start to increase. a. Oligodendrocytes Which cell causes endothelial cells to fit closely together? 31) Neurons may be classified according to several characteristics. a. the hippocampus. All rights reserved. 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? What is the role of microglial cells and why are they so important in the CNS? a. Astrocytes C) brain and spinal cord d. Inhibited salvation. a. In the presence of invading microbes, microglial cells become macrophages to phagocytize the microbes and neuronal debris. The parasympathetic nervous system prepares the body for rigorous activity. We investigated here the direct and differential effects of inflammatory mediators on human neurons. Which of the following is NOT a characteristic of neurons? Neurons in the CNS are organized into functional groups. 80. 76. A) axon B) dendrite C) neurolemma DI) Schwann cell. What are the different classes of neurons and their functions? 12. Neurotransmitter binds to receptors on the postsynaptic cell membrane and allows ions to diffuse across the membrane. d. ventral root. 100% (3 ratings) Which of the following is NOT a characteristic of neurons? A) innervation of smooth muscle of the digestive tract Its structure is multipolar. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. adjacent axon segment. b. control the chemical environment around neurons. 71. a. the membrane potential has been reestablished. A. 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. A) efferent neuron D) They are short-lived. Which nervous system was the drug most : Question 35 1.5 pts Which of the following is not a special characteristic/property of neurons? Neurons that carry impulses the central nervous system to the muscles or glands are called neurons or motor neurons. B) norepinephrine As you start working out, you notice that your heart rate and breathing rate start to increase. A neuron is formed when a receptor ends on another cell becomes active. Which of the following statements is incorrect? 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. D. Skeletal muscles supports the weight of some internal organs. b. procedural memory. According to the humidity characteristics of PEMFC, Vinu et al. What effect might a disease that destroyed oligodendrocytes have on neuronal function? A thirestold potential must be excecded or reached. 12. When activated, shortens C. Found in the brain and spinal cord. March 17, 2022. a. corpus callosum. Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane? The resting membrane potential is maintained by Na+-K+ pumps that actively transport __ into and ___ out of the cell. Motor has two divisions: the somatic and autonomic. 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. b. c. meninges. D) A single type of channel will open, permitting simultaneous flow of sodium and potassium. Which of the following is not characteristic of neurons? b. ventricles. d. Activation of postganglionic parasympathetic neurons, 65. Central Nervous System d. medulla. Saltatory conduction is made possible by ________. C) are crucial in the production of neurotransmitters When excited electrically, the Hg atoms emit UV light, which excites the phosphor coating of the inner tube, which then emits visible (white) light. They secrete acetylcholine. 3. 41. These include nerve cells (or neurons) and glial cells (or glia ). A substance that directly activates gene transcription is likely acting as a: 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. d. The person would have dulled senses for some period of time after taking the substance. a.) B) They can form on receptor endings. B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. The _________________ facilitates balance and the timing of movements. What is the direct role of neurotransmitter at a chemical synapse? o Neurons have a very long lifespan Have low mitotic activity fie cannot undergo cell division) O Ability to transmit electrical signals (i.e. Which of the following surrounds PNS neurons and provides support? c. Hypoglossal nerve the afferent division of the nervous system. (a) dendrites (b) cell body (c) myelin (d) axon terminal. Which of the following is not a function of astrocytes? This may account for the cycles of relapse and remission in different patients. Which of the following are functions of the CNS? d. They are the same as any other cells. Site of mRNA translation for proteins of the axolemma c. Axon fibres are covered by a white sheath called myelin. Just from looking down a microscope, however, it becomes very clear that not all neurons are the same. C) They increase amplitude as they move away from the stimulus point. The person may have an increase in heart rate. Which of the following is NOT characteristic of nervous tissue in the brain a. d. hypothalamus. To which part of the spinal cord is sensory information sent? The cerebral cortex is located in the forebrain. b. cingulate cortex. ATP neurotransmitters have what basic effect on the body? 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 ________. a. the thin filaments of smooth muscle fibers are attached to dense bodies. Which type of neurons are used to convey the special senses of sight? Classify neurons according to their structure. C) oligodendrocytes Name two amino acid neurotransmitters, two catecholamines, and two peptides. Potentials that are short-lived, local changes in membrane potential that can be either depolarized or hyperpolarized are called ________ potentials. Use Equation v=v0+atv=v_0+a tv=v0+at to show that the time corresponding to the velocity found in part (a) is t=v0v022ax0at=\frac{-v_0 \pm \sqrt{v_0^2-2 a x_0}}{a}t=av0v022ax0. a. other neurons b. muscles c. glands d. all of the above, All of the following are characteristics of sympathetic preganglionic neurons EXCEPT: a. d. None of these are correct. 5. Some axon terminals contain more than one kind of neurotransmitter. d. it fills spaces in the brain. D) size of action potentials, Bipolar neurons are commonly ________. a. the person had neurons that did not form correctly during neural development. The synapse more common in embryonic nervous tissue than in adults is the ________. WHICH OF THE FOLLOWING IS TRUE REGARDING UMNS ? b. hindbrain. Saltatory propagation occurs in _________ axons, in which action potentials _________. DI) They have an exceptionally high metabolic rate. c. myelin around axons. This area is also known as the soma or perikaryon. spindle fibres to divide the cell. d. cause a tremor. Indicate the number of orbitals in the 6p sublevel. d. support and brace neurons. B) They have extreme longevity. - Neurons have one or more long, slender projections called dendrites, which receive electrical impulses from other neurons. What are the cells that transmit nerve impulses between parts of the nervous system? a. tegmentum. Neurons require continuous and abundant supplies of oxygen, and cannot survive for more than a few minutes without it. a. Dendrites and axon Which of the following is not characteristic of neurons? What are the different types of motor neurons? Melatonin is released from the: Which of the following statements is true of both membrane potential responses shown in the graphs? b) Myelin prevents conduction of electricity from the axon hillock to the axon terminal. An inhibitory postsynaptic potential (IPSP) is associated with ________. This results in increased speed of impulse propagation.

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