Learning_Objectives_for_the_Reflexes_and - What You Should...

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What You Should Have Gotten Out of the Reflexes and Autonomic Nervous System Lecture or Learning Objectives for the Reflexes and Autonomic Nervous System Lecture A stimulus can be outside or inside the body. Receptors can be distal ends of sensory neurons or separate cells that are associated with sensory neurons. Sensory neurons transmit information to the CNS when a receptor potential produces an action potential. 1. Describe stimuli (include general location). Describe receptors, afferent division of PNS, CNS, efferent division of PNS. Describe the receptor potential and how an action potential is triggered in the afferent (= sensory) neuron. Sensory information (action potentials in sensory neurons) can cause an automatic motor response (a reflex). Most reflexes are polysynaptic. 2. Describe the knee-jerk (patellar tendon, a stretch) reflex. Define reflex. Define monosynaptic reflex, polysynaptic reflex. Understand where interneurons are located. Know and describe the 5 components of a reflex. Define effector. Describe the withdrawal reflex, including divergence of the afferent neuron and reciprocal innervation. Reflexes help maintain homeostasis; many reflexes involve autonomic effectors. 3. Know the examples given of how reflexes (that we are aware of and unaware of) help
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This note was uploaded on 03/18/2008 for the course PSL 250 taught by Professor Denison during the Spring '08 term at Michigan State University.

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Learning_Objectives_for_the_Reflexes_and - What You Should...

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