試題詳解

50. Which of the following best describes a difference between the sympathetic and parasympathetic divisions of the autonomic nervous system?
(A) The sympathetic division controls only voluntary movements.
(B) Both divisions activate skeletal muscle contractions during stress.
(C) The postganglionic neurons of the sympathetic division release acetylcholine, while those of the parasympathetic division release norepinephrine.
(D) The sympathetic division prepares the body for action, while the parasympathetic division promotes rest and digestion.
(E) The sympathetic division forms synapses near target organs, while the parasympathetic division synapses close to the spinal cord.