true or false 45) Collateral ganglia lie lateral to each side of the vertebral c
ID: 96945 • Letter: T
Question
true or false
45) Collateral ganglia lie lateral to each side of the vertebral column.
46) Preganglionic fibers that originate within the collateral ganglia extend throughout the abdominopelvic cavity, innervating visceral tissues and organs.
47) Postganglionic fibers from the inferior mesenteric ganglion provide parasympathetic innervation to the terminal portions of the large intestine, the kidney and bladder, and the sex organs.
48) During suprarenal stimulation, tissue concentrations of epinephrine may remain elevated for as long as 30 seconds, and the effects may persist for several minutes.
49) The vagus nerve provides preganglionic parasympathetic innervation to intramural ganglia within structures in the thoracic cavity and in the abdominopelvic cavity as distant as the last segments of the large intestine.
50) All sympathetic neurons are cholinergic.
51) Visceral reflexes may be either long reflexes or short reflexes.
Explanation / Answer
45. False. Collateral ganglia lie anterior to the vertebral column.
46. False. Postganglionic fibers that originate within the collateral ganglia extend throughout the abdominopelvic cavity, innervating visceral tissues and organs.
47. False. Postganglionic fibers from the inferior mesenteric ganglion provide sympathetic innervation to the terminal portions of the large intestine, the kidney and bladder, and the sex organs.
48. True. Adrenal gland is also known as suprarenal gland. After stimulation adrenal gland release epinephrine and norepinephrine which enhances the level in tissue for as long as 30 seconds while effect may persist for several minutes.
49. False. The parasympathetic divisions of the ANS consist of preganglionic neurons and gangleonic neurons. The gangleonic neurons are associated with intramural wall in the tissue of the target organ.
50. False. All sympathetic neurons are adrenergic. All parasympathetic neurons are chonilergic.
51. True. Visceral reflexes may be either long reflexes or short reflexes. Short reflexes control simple motor responses and their effects are localized while long reflexes control the activities of entire organ.
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