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ANS-1 LEARNING OBJECTIVES: AUTONOMIC NERVOUS SYSTEM 1. List, in tabular form, characteristics of the somatic and autonomic nervous systems. 2. On a summary diagram of the autonomic and somatic nervous systems, label all of the parts of the diagram. Include the division of the nervous system, the neurotransmitters, and the receptors stimulated by the neurotransmitters. 3. Describe the anatomy, neurotransmitters, and receptors that are characteristic of the sympathetic nervous system. Identify the proportion of norepinephrine and epinephrine that is released from the adrenal medulla. 4. Describe the anatomy, neurotransmitters, and receptors that are characteristic of the parasympathetic nervous system. 5. List the classes of cholinergic receptors, and list the drugs that block each of these classes of receptors. 6. List the classes of adrenergic receptors. List examples of drugs that stimulate and block the alpha and beta receptors. 7. Describe the general rules that apply to the actions of adrenergic receptors. 8. Define “functional synergism,” and provide an example. 9. Define “tonic activity.” Explain the significance of tonic activity in the autonomic nervous system. 10. Describe the effects and receptors used by the two divisions of the autonomic nervous system for the following organ systems: eyes, cardiovascular system, lungs, gastrointestinal tract, bladder muscle, reproductive tract in the male, and sweat glands. 11. List, in order, the sequence of neural events that occurs in the baroreflex for either a decrease or an increase in blood pressure. 12. Describe the functions of the anatomical structures involved in the micturition reflex. List the relative activity levels (high or low) of each of these structures during continence (storage of urine) and voiding (micturition). 13. Describe five diseases that can result from autonomic nervous system dysfunction.
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ANS-2 Dr. Robert W. Blair AUTONOMIC NERVOUS SYSTEM Reading: Widmaier et al., Human Physiology, 12 th ed., pp. 175-180. I. Homeostasis: “The coordinated physiological processes which maintain most of the steady states in the organism are so complex and so peculiar to living beings – involving as they do, the brain and nerves, heart, kidney and spleen all working cooperatively – that I have suggested a special designation for these states. “Homeostasis.” The word does not imply something set and immobile, a stagnation. It means a condition -- a condition which may very, but which is relatively constant.” (Walter B. Cannon, Wisdom of the Body , 1939). II. The Peripheral Nervous System A. Divisions of the nervous system (Table 6-9, p. 175; Fig. 6-43, p. 175; Fig. 6-46, p. 178) The nervous system can be divided into the following broad categories. Nervous System Peripheral Nervous System CNS Somatic Autonomic Sympathetic Parasympathetic Brain Spinal cord Figure 1: Divisions of the nervous system. CNS, central nervous system.
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This note was uploaded on 10/01/2011 for the course PSYO 5016 taught by Professor Staff during the Fall '11 term at The University of Oklahoma.

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