Exam 15: The Autonomic Nervous System

Place the events in order of sympathetic motor pathway. 1)postganglionic neuron depolarizes 2)acetylcholine binds to sweat gland's muscarinic receptor 3)postganglionic neuron releases acetylcholine 4)neuron exits lumbar segment of spinal cord 5)acetylcholine binds to nicotinic receptor 6)neuron releases acetylcholine

[dropdown 1] rami communicantes contain [dropdown 2] axons and only are present in the thoracic and L1-3 region.The rami are formed from [dropdown 3] neurons. Dropdown 1 choices: White Gray Dropdown 2 choices: Myelinated Unmyelinated Dropdown 3 choices: Preganglionic sympathetic Preganglionic parasympathetic Postganglionic sympathetic Postganglionic parasympathetic

Thoracolumbar is another name for which division of ANS?

Increased activity of [dropdown 1] decreases heart rate.Dilation of air passageways during exercise is a result of the [dropdown 2].Vasoconstriction of salivary gland arterioles is caused by the [dropdown 3]. Dropdown choices: parasympathetic system sympathetic system both parasympathetic and sympathetic system