5. Mary Mishap saw some mushrooms in a nearby wooded area and collected them to

Question

5. Mary Mishap saw some mushrooms in a nearby wooded area and collected them to use in a stew. Unfortunately the mushrooms contained muscarine. Which of these symptoms would you expect to observe in Mary after she ate the stew? Explain your answers. 6. Rachael is an elderly patient that suffers from Raynaud's disease, spasms of small blood vessels, affecting her s and stings when it is warmed. The doctors have decided that her symptoms are sever enough that they and turns red left hand. As a result of this disease Rachel's hand turns white and feels numb when it is cold throb should cut the preganglionic sympathetic nerve fibers to the hand. Why would they do this? What would be the possible effects of this surgery?

Explanation / Answer

5. Muscarine is a toxic ammonium base an related to acetylcholine and was extracted from fly agaric but also found in mushrooms. It causes serious problems when ingested. It causes mainly parasympathetic nervous system stimulation and the main symptoms shown are-

6. Raynaud's disease is a condition in which spasm of arteries causes episodes of reduced blood flow. This causes redness at the episodes and causes burning. In treating parasympathetic nerve ganglion to hand is cut. It causes loss of parasympathetic control and pain and pleasure feeling are lost also effects of Raynaud condition are lost and stimulation of parasympathetic nervous system is stopped.

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