Human Anatomy (8th Edition) - Standalone book
8th Edition
ISBN: 9780321883322
Author: Frederic H. Martini, Robert B. Tallitsch
Publisher: PEARSON
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Chapter 17, Problem 18RFT
Summary Introduction
Introduction:
Preganglionic autonomic fibers are the neural components of the autonomic nervous system (ANS), which originate from the visceral motor neuron of the central nervous system (CNS) and synapse with the neurons present in the autonomic ganglion. These fibers are primarily responsible for the sympathetic activation and carry out this process through the help of certain excitatory neurotransmitters.
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Select the best answer or answers from the choices given: The white rami communicantes contain what kind of fibers? (a) preganglionic parasympathetic, (b) postganglionic parasympathetic, (c) preganglionic sympathetic, (d) postganglionic sympathetic.
For each of the following terms or phrases, write either S (for sympathetic) or P (for parasympathetic) division of the autonomic nervous system.__(1) short preganglionic axons, long postganglionic axons__(2) intramural ganglia__(3) craniosacral outflow __(4) adrenergic fibers __(5) cervical ganglia of the sympathetic trunk __(6) otic and ciliary ganglia __(7) more widespread response __(8) increases heart rate, respiratory rate, and blood pressure __(9) increases motility of stomach and secretion of lacrimal and salivary glands __(10) innervates blood vessels __(11) most active when you are lolling in a hammock __(12) most active when you are running in the Boston Marathon __(13) gray rami communicantes __(14) synapse in celiac ganglion __(15) relates to fear response induced by the amygdaloid body
Given these phrases:(1) neuron cell bodies in the nuclei of cranial nerves(2) neuron cell bodies in the lateral gray horn of the spinal cord(T1–L2 and S2–S4)(3) two synapses between the CNS and effectors(4) regulates smooth muscleWhich of the phrases are true for the autonomic nervous system?a. 1,3 b. 2,4 c. 1,2,3 d. 2,3,4 e. 1,2,3,4
Chapter 17 Solutions
Human Anatomy (8th Edition) - Standalone book
Ch. 17 - Match each numbered item with the most closely...Ch. 17 - Prob. 2RFTCh. 17 - Prob. 3RFTCh. 17 - Prob. 4RFTCh. 17 - Prob. 5RFTCh. 17 - Prob. 6RFTCh. 17 - Match each numbered item with the most closely...Ch. 17 - Prob. 8RFTCh. 17 - Prob. 9RFTCh. 17 - Prob. 10RFT
Ch. 17 - Visceral motor neurons in the CNS (a) are...Ch. 17 - Prob. 12RFTCh. 17 - Prob. 13RFTCh. 17 - Prob. 14RFTCh. 17 - The neurotransmitter at all synapses and...Ch. 17 - Prob. 16RFTCh. 17 - 17. Sympathetic preganglionic fibers are...Ch. 17 - Prob. 18RFTCh. 17 - Postganglionic fibers of autonomic neurons are...Ch. 17 - The white ramus communicans a. carries the...Ch. 17 - Prob. 1RCCh. 17 - Prob. 2RCCh. 17 - Prob. 3RCCh. 17 - Prob. 4RCCh. 17 - Prob. 5RCCh. 17 - Prob. 6RCCh. 17 - 7. How do sympathetic chain ganglia differ from...Ch. 17 - 8. Compare the general effects of the sympathetic...Ch. 17 - Prob. 9RCCh. 17 - Prob. 1CTCh. 17 - Prob. 2CTCh. 17 - Prob. 3CT
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- The ANS is subdivided into sympathetic and parasympathetic divisions. Review the differences between these two divisions by filling in the table below: Characteristic Sympathetic or Parasympathetic? Calms you down — "rest and digest" ["", ""] Pumps you up — "fight or flight" ["", ""] Preganglionic neuron long, postganglionic neuron short ["", ""] Preganglionic neuron short, postganglionic neuron long ["", ""] Arises from cranial or sacral spinal nerves ["", ""] Arises from spinal nerves T1-L2 ["", ""] Synapses near the spinal cord ["", ""] Synapses near the target organ ["", ""] Increases heart and respiratory rate ["", ""] Stimulates…arrow_forwardRelate each of the following terms or phrases to either the sympathetic (S) or parasympathetic (P) division of the autonomic nervous system:arrow_forwardWhich of the following are adrenergic fibers? O most parasympathetic postganglionic axons most parasympathetic preganglionic axons O most sypathetic, postganglionic axons O most sympathetic preganglionic axonsarrow_forward
- Match the following parts of the adult nervous system with the embryonic cells that give rise to them: (a) alar plate cells, (b) basal plate cells, (c) neural crest cells.__(1) sensory neurons__(2) motor neurons__(3) dorsal interneuronsarrow_forwardWhich of the following is not true regarding the parasympathetic nervous system? (A) The cell body of the presynaptic neuron is located in the gray matter of the CNS. (B) The cell body of the postsynaptic neuron is located in an autonomic ganglion out- side the CNS. (C) The postsynaptic neuron emits norepi- nephrine. (D) Its neurons are craniosacral in origin. (E) It promotes quiet and orderly processes of the body.arrow_forwardWhich of these characterize the parasympathetic division of the autonomic nervous system? Preganglionic fibers are myelinated; postganglionic fibers are not. Preganglionic fibers arise from the thoracic and lumbar regions of the spinal cord. Terminal ganglia are located close to effector organs. Parasympathetic postganglionic fibers secrete acetylcholine.arrow_forward
- Which of the following statements concerning the preganglionic neuronsof the ANS is true?a. All parasympathetic preganglionic neurons secrete acetylcholine.b. Only parasympathetic preganglionic neurons secrete acetylcholine.c. All sympathetic preganglionic neurons secrete norepinephrine.d. Only sympathetic preganglionic neurons secrete norepinephrine.arrow_forwardOnce a sympathetic preganglionic axon reaches a paravertebral ganglion, it can: synapse with a post- ganglionic neuron, at the same spinal segment level. O True Falsearrow_forwardSmall intestine (or other visceral organ) CNS (spinal cord) Skeletal muscle Figure 14.1 Using Figure 14.1, match the following: 11) Myelin sheath. 11) 12) Cell body of ANS preganglionic neuron. 12) - 13) Cell body of ANS postganglionic neuron. 13) 14 14) Cell body of the somatic neuron. TIPLE CHOICE. Choose the one alternative that best completes the statement or answers the qu 15) Which of the following is not a function of astrocytes? A) guide the migration of young neurons, synapse formation, and helping to determine ca permeability B) support and brace neurons C) anchor neurons to blood vesselsarrow_forward
- Match the names of the supporting cells found in column B with the appropriate descriptions in column A.arrow_forwardOne to one match: 1- visceral nociception system 2- somatic nociception system 3- both visceral and somatic neuron system 4- neither visceral ans somatic neuron ( ) will match to D- Can be partially relieved by taking no-steroidal anti-inflammatory drugs. ( ) will match to E- Descriebed as being shocking or tingling. ( ) will match to F- .Consciousness is achieved by multiple brain area known as the pain neromatix.arrow_forwardCharacteristics o Sympathetic Parasympathetic Main function Location of nerve roots Effects on target Organs &physiological processes Heart Bronchioles(airway passages of the lungs) Blood vessels to abdominal organs & skin Blood vessels to skeletal muscle secretion from digestive glands Urine formation/Micturition (urination) pupils of the eyearrow_forward
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