SYMPATHETIC NERVOUS SYSTEM Preganglionic neuron Nicotinic receptor Postganglionic neuron Or Target cells ? Name this type of receptor. muscarinic cholinergic receptor adrenergic receptor nicotinic cholinergic receptor opioid receptors
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The SNS is part of the autonomic nervous system that prepares the body for 'fight or flight' responses. The pathway typically involves several key components: - Preganglionic neuron: This is the first neuron in the pathway, which originates in the spinal cord. - Show more…
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Place the events leading to nerve impulse conduction in order, starting when the neuron is at rest.
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1. Brain and Spinal Cord. A. Interneuron. 2. Helper Cell. B. Neuromuscular Junction. 3. Functional Cell. C. Dendrites. 4. Sensory Function. D. Neuroglial Cell. 5. Motor Function. E. Neuron. 6. Integration Function. F. Acetylcholine. 7. Enters Neuron. G. Central Nervous System. 8. Exits Neuron. H. Collects stimuli. 9. Neuron and Muscle. I. Axon. 10. Neurotransmitter. J. Sends Commands. 11. Cranial Nerves; Eyes, etc. K. Nodes of Ranvier. 12. Axon Branch. L. Axon Hillock. 13. Cell Body meets Axon. M. Myelin. 14. Bare Axon Spots. N. Collateral. 15. Insulates Axon. O. Peripheral Nervous System. 16. Dura mater P. Motor neuron 17. Gray matter Q. Reflex hammer 18. White matter R. Uses skeletal muscle 19. Arachnoid mater S. Neuron cell bodies 20. Pia mater T. Move hand away from heat 21. Reflex U. Cranial nerves 22. Visceral reflex V. Myelinated axons 23. Knee-jerk reflex (B) W. Innermost meninge 24. Withdrawal reflex X. Fast 25. Gray commissure Y. Sensory receptor 26. Starts reflex Z. Middle meninge 27. Sends command A-1. Sensory receptor 28. Responds to command B-1. Automatic; involuntary 29. Reason for reflexes C-1. Spinal nerves 30. Reflex speed D-1. Cerebrospinal fluid 31. Start neural pathway E-1. Uses smooth muscle 32. Nerves from brain F-1. Effector 33. Somatic reflex G-1. Protection 34. Fluid of nervous system H-1. Outermost meninge 35. Spinal cord nerves I-1. Bridges spinal cord
Qbs E.
Relate each of the following terms or phrases to either the sympathetic (S) or parasympathetic (P) division of the autonomic nervous system: __________(1) short preganglionic, long postganglionic fibers __________(2) intramural ganglia __________(3) craniosacral part __________(4) adrenergic fibers __________(5) cervical ganglia __________(6) otic and ciliary ganglia __________(7) generally short-duration action __________(8) increases heart rate and blood pressure __________(9) increases gastric motility and secretion of lacrimal, salivary, and digestive juices __________(10) innervates blood vessels __________(11) most active when you are relaxing in a hammock __________(12) active when you are running in the Boston Marathon
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