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  3. 18 which of the following statements is not true 18...

Question: 18 which of the following statements is not true 18...

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18) Which of the following statements is NOT true? 18) A) Sympathetic ganglia are within a few centimeters of the CNS, parary are close to visceral organs served B) Sympathetic origin is craniosacral: parasympathetic is C) Sympathetic has extensive branching of preganglionic fibers; parasympathetic has minimal branching of preganglionic fibers. D) Sympathetic division has short preganglionic and long postganglionic fibers parasympathetic has long preganglionic and short post 19) The neurohypophysis or posterior lobe of the pituitary gland is NOT a true endocrine gland because A) embryonically it was an endocrine tissue, but in the adult human it is no longer functional B) it is strictly a part of the neural system and has little or nothing to do with hormonal release C) it is unable to function as an endocrine tissue because it is actually part of the neural system due to its location D) it is a hormone storage area that receives hormones synthesized in the hypothalamus for their release 20) 20) Aldosterone A) is produced by the adenohypophysis C) is produced by the adrenal cortex B) is produced by the kidneys D) is secreted by the neurohypophysis 21) 21) The autonomic nervous system A) only produces excitatory effects on its effectors B) has all its preganglionar axons secreting norepinephrine C) only produces inhibitory effects on its effectors D) may produce either excitatory or inhibitory effects on its effectors 22) 22) Permissiveness occurs when A) hormones acting simultaneously produce a larger effect than predicted. B) a hormone can exert its full effects only in the presence of another hormone. C) one hormone inhibits the release of a second hormone. D) one hormone triggers the secretion of a second hormone. 23) 23) Which of the following would be associated with the action of steroid hormones on cells? A) second-messenger systems B) an enzyme that catalyzes the formation of cyclic AMP C) a hormone-receptor molecular complex in the cytosol that interacts directly with the cells DNA D) molecular receptors on the plasma membrane with specificity for the hormone 24) 24) The most important regulator of electrolyte concentrations in extracellular fluids is D) insulin A) aldosterone B) cortiso! O glucagon
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