Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system?
A. Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue(s).
B. Preganglionic neurons are short and synapse in ganglia located near the spinal cord.
C. Preganglionic neurons release acetylcholine at synapses with postganglionic neurons.
D. Postganglionic neurons release norepinephrine at their neuroeffector junctions.
E. Postganglionic neuron cell bodies are located in the collateral chain ganglia (sympathetic trunk).
A
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The thymus gland is positioned
A) posterior to the thyroid gland. B) posterior to the sternum. C) inferior to the heart. D) posterior to the trachea. E) in the inguinal region.
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Fill in the blank(s) with the appropriate word(s).
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