Postganglionic sympathetic neurons arise from the thoracic and lumbar regions of the spinal cord. O True O False
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Preganglionic neurons for the sympathetic nervous system can originate from a. thoracolumbar region (T1 - L2) b. lumbar region only (L1-L5) c. cervical region only (C1-C7) d. craniosacral region (brainstem and S2-S4)
Madhur L.
Which of the following statements about the sympathetic division of the autonomic nervous system is FALSE? O The sympathetic division causes bronchodilation. O The sympathetic division has more widespread effects on the body than the parasympathetic division. O Sympathetic nerves exit the thoracic and lumbar sections of the spinal cord. O Sympathetic postganglionic neurons use norepinephrine to bind adrenergic receptors. O Sympathetic ganglia are located near the effector organ.
Adi S.
Most preganglionic fibers in the sympathetic nervous system synapse with 10 to 20 postganglionic neurons. This results in: A. Sympathetic fibers arising in the spinal cord all along its length. B. The sympathetic nervous system having a relatively widespread effect. C. Sympathetic spinal nerves being smaller. D. Sympathetic ganglia being closer to the spinal cord. Secretion of saliva is activated by the branch of the ANS. Taste signals travel from the tongue through the facial and glossopharyngeal nerves. True False
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