Biology 109 Review Questions Lecture Test 4 Summer 2015 Autonomic Nervous System 1.What is the function of the ANS? 2.What are the two divisions of the ANS? 3.How does the ANS operate to control visceral function? 4.Which division of the ANS is responsible for the “fight or flight” response? 5.What is the purpose of the “fight or flight” response? 1.What is a preganglionic neuron or fiber? 2.Where is the cell body of a preganglionic neuron? 3.What is a postganglionic neuron or fiber? 4.Where does a preganglionic fiber synapse with a postganglionic fiber? 5.Why is the SNS referred to as the thoracolumbar division? 6.Name the three sympathetic pathways.-Sympathetic Chain Ganglia, Collateral Ganglia and Adrenal Medulla
6.What is the effect of sympathetic stimulation on the adrenal medulla? 7.What body regions are innervated by sympathetic chain ganglia? 8.What body region is innervated by collateral ganglia? 9.What is the general function of the PNS? 10.Why is the PNS referred to as the craniosacral division of the autonomic ner-vous system? 11.Describe the organization of the PNS. 12.What structures in the body are innervated by PNS postganglionic fibers?
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