Chapter%2013%20%20Auto%20Systemnotes11

Chapter%2013%20%20Auto%20Systemnotes11 - PHPR 202 Chapter...

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PHPR 202 Chapter 13 Drugs Affecting the Autonomic Nervous System Koh-Knox January 26, 2011 Learning objectives 1. Identify the two fundamental divisions of the nervous system 2. Compare and contrast the actions of the sympathetic and parasympathetic nervous system 3. Explain the process of synaptic transmission and the neurotransmitters important to the autonomic nervous system 4. Compare and contrast the types of responses of the autonomic nervous system at various organ levels. Figure 13.1 Functional divisions of the peripheral nervous system 1. Central nervous system a. Brain b. Spinal cord 2. Peripheral nervous system a. Sensory b. Motor i. Somatic ii. Autonomic 1. Sympathetic a. Adrenergic receptors 2. Parasympathetic a. Cholinergic receptors Nerve Transmission Neurons Synapse Transmission across synapses by neurotransmitters (NT) ONE-WAY transmission Neurotransmitters: Excitatory or Inhibitory
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Figure 13.3 Basic structure of an autonomic pathway Figure 13.4 Synaptic transmission: (A) action potential reaches synapse; (B) neurotransmitter
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Chapter%2013%20%20Auto%20Systemnotes11 - PHPR 202 Chapter...

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