B) amino acid If a loud noise made you jump, which structure was most likely responsible for this b. cerebellum. Classify neurons according to their function. If a neuroscientist stated that a brain structure had efferent neurons, what can be concluded? Mountainside's local landscaping business totaled approximately $789,400 in sales for the year. d. proteins. Its axon, the postganglionic axon, extends to the effector organ. D) gamma aminobutyric acid, Which of the following describes the nervous system integrative function? What are the small lower motor neurons that innervate intrafusal muscle fibers that are part of specialized stretch receptors called? c. interneurons make inhibitory connections with damaged neurons. sure to include the influence of German philosopher Karl Marx in What do neurons synapse with? 64. specific or different from others in some way that they do not have. d. improve recovery from traumatic brain injury. D. axon hillock. d. astrocytes form and maintain the blood-brain barrier. 36. Has component cells designed for conductivity b. C) They have an exceptionally high metabolic rate. 13. It is the main component of the nervous system- both the central nervous and peripheral nervous system. Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. They propel cellular components along microtubules. Central nervous system - Supporting function to neurons and their Which of the following are true about neurons? All of the following describe the functions of astrocytes except: The patient has a polymorphism that slow metabolism of a drug. D) biogenic amine, A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. A) Sensory neuron B) Motor neuron C) Interneuron D) All of the above. D) are crucial for the development of neural connections, An inhibitory postsynaptic potential (IPSP) is associated with ________. Which of the following is not a function of the autonomic nervous system? B) negatively charged and contains less sodium 80. b. cause aggressive behavior. The GBA gene encodes the lysosomal enzyme glucocerebrosidase (GCase). What is the role of microglial cells and why are they so important in the CNS? b. Somatic Nervous System The Quadratic Formula from Kinematics In this problem we show how the kinematic equations of motion can be used to derive the quadratic formula. researcher would: group cfibers are not capable of salatory conduction. 54. capacity of divide via mitosis due to absence of centrosomes. c. the thalamus. B. Which is not characteristic of neurons a high mitotic - Course Hero 4. Specialized cells in the nervous system that control behavior, senses, and movement are called: a. neurons. c. nucleus accumbens. B) afferent neuron Neurotransmitter is released from presynaptic neurons through what mechanism? A. Neurons may be classified according to several characteristics. Select the correct statement regarding synapses. a) axons b) dendrites c) Schwann cell d) cell body, Which of the following forms myelin in axons at PNS? E) nucleic acid. b. A. Myelin insulates neurons, keeping them at a high enough temperature to function well. a. medulla. Chapter 11 Test Questions Flashcards | Quizlet Which of the following is not characteristic of neurons? Be b. they prevent axons from re-growing. taking the substance. D) positively charged and contains more sodium. A thirestold potential must be excecded or reached. During depolarization, the inside of the neuron's membrane becomes less negative. Responsiveness of C Neurons in Rat Dorsal Root Ganglion to 5 a) ion b) cholinesterase c) neurotransmitter d) biogenic amine. 9. Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? B) muscle contraction would occur. Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. Substratum preferences of motor and sensory neurons in postnatal and Tell why you think so. What is the function of upper motor neurons? All rights reserved. c. Transcription factors b. thalamus. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. Growing numbers of sodium channels appear spontaneously in the demyelinated fibers so that conduction resumes, even if slower. Specifically, combination therapy (simultaneous use of customized sub-perception field and paresthesia-based SCS) versus monotherapy (paresthesia-based SCS) was evaluated. D. Involved in fast-acting body control. 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? A) the impulse would move to the axon terminal only. c. Neuromuscular junction 2. The person would have impaired decision making while the drug's effects were active. d. Nuclei. Immediately after an action potential the potassium gates, being slow gates that do not respond to change in the electrical charge, allow additional K+ ions to flood into the cell. The oligodendrocytes can myelinate several axons, Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system, During depolarization, the inside of the neuron's membrane becomes less negative. The autonomic nervous has control centers in the: c) Neurons are the most abundant type of cell in nervous tissue. What are the different types of motor neurons? Transcribed image text: Which of the following is not a characteristic of neurons? D) astrocytes, Immediately after an action potential has peaked, which cellular gates open? ce3z/(4zi)3dz_ce^{3z}/(4z-i)^3dz cells would most likely be responsible? formation. Which of the following is not true concerning the structural classification of neurons? b. hindbrain. c. the person had a past traumatic brain injury. A substance that inhibits the activity of the cerebellum would be expected to: adjacent axon segment. Solved Which of the following is NOT characteristic of | Chegg.com D) generator potential. A. 58. The significance of the myelin sheath surrounding axons of werve neurons is that ia is B. composed of synaptio vesieles, which corapletely botate the nouron due w ins whter dianecer. This is an example of: c. pineal gland. c. Epigenetics b. prevent electrical impulses from traveling down axons. 38. Saltatory propagation occurs in _________ axons, in which action potentials _________. to axon segment Axon segment What are the properties of myelinated axons which makes them ideal for long-distance motor control of skeletal muscle? 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 ________. 45. Solved 26. Which of the following is not a characteristic of | Chegg.com b. cerebrospinal fluid. A) motor neurons d. Neurons. 19. What is the role of acetylcholinesterase? What parts of a neuron are completely contained within a ganglion? Responding to brain injury is an important function of astrocytes. 13. 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. A&P Ch 9,10,11 Flashcards | Quizlet B) muscle contraction would occur c. a Mendelian disease. b. Answer: They are constantly dividing Explanation: Neurons are like different cells in the body on the grounds that: Neurons are encircled by a cell . D. They have an exceptionally high metabolic rate., These cells in the CNS have cilia that move in order to circulate cerebrospinal fluid ________. d. parasympathetic nervous system. c. somatic nervous system. Reflexes are rapid, automatic responses to stimuli. (a) They conduct impulses. Which division of your nervous system is generating this response? Learn about the neuron diagram, structure, and function. D) stimulate the production of acetylcholine, Which of the following is not a function of the autonomic nervous system? What do ANS neurons regulate with regard to mechanical digestion? A) the impulse would move to the axon terminal only b. Reactive astrocytes Characteristics Of Neurons. Which of the following is NOT a function of astrocytes? d. M1 microglial cells. Which of the following statements is true of both membrane potential responses shown in the graphs? B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. 48. d. Interneurons, 16. PDF Quiz 42, Understanding Motor SystemsSR - SNACC D) absolute refractory period. The nucleus accumbens facilitates fear and aggression. Sensory receptors for touch (and pressure) respond to physical deformation of the receptors, resulting in the opening of specific mechanically gated ion channels. Neurons that carry impulses the central nervous system to the muscles or glands are called neurons or motor neurons. D) A single type of channel will open, permitting simultaneous flow of sodium and potassium. c. end terminus. c. Myasthenia Gravis. Cerebrospinal is located in the following structures except: Structural Functional Characteristics of Nervous and Glial Cells glia b.) d. inferior colliculus. B) the Na ions have been pumped back into the cell Define neurotransmitter. e. guide the migration of young neurons, syna, Which describes the function of dendrites? What is an example of a presynaptic cell? The parasympathetic nervous system prepares the body for rigorous activity. The majority of these axonal knobs are shown to be "firing." 1. b. medulla They control, in this way, from the movement of an arm, thoughts and even feelings through electrical signals that are called nerve impulses. Functions. d. cause a tremor. A single type of channel will open, permitting simultaneous flow of sodium and potassium. ATP neurotransmitters have what basic effect on the body? (a) microglia (b) oligodendrocytes (c) ependymal cells (d) astrocytes. Which of the following best describes the function of astrocytes? b. a Mendelian disease. Neurons differ in their morphology and function. Which of the following is true about the movement of ions across excitable living membranes? b. cerebellum. Estimate the number of moles of Ar in a typical lightbulb. B) Ions always move passively across membranes. c. synapses. The part of a neuron that sends neurotransmitters into a synapse is called a(n): 6. Schwann cells are functionally similar to ________. Cedric S Raine. Which nervous system was the drug most Fill in the blank. What functional class of neuron carries impulses away from the CNS to muscles or glands? b. sulci. 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. Enkephalins and endorphins are peptides that act like morphine. Traub et al. kg 1), . The parasympathetic division includes the pelvic nerves. c. reduced oxygen delivery to cells. d. reticular activating system. The presence of at least one Y chromosome indicates: Which of the following is not true about the cerebral cortex? A) act as a transmitting agent A) Ions always move actively across membranes through leakage channels. 43. B) type of stimulus receptor Anatomy and Physiology questions and answers. Characteristics and Function of Neurons - Step To Health depolarized to When the neurons were damaged, the number of Nissl corpuscles decreased significantly . 20. a. regenerating axons may be unable to regain previous connections through the site of injury. a. epigenetics. Describe which neurons are considered cholinergic in both the parasympathetic and sympathetic divisions. b. B. Myelin prevents the conduction of electricity from the axon hillock to the axon terminal.