This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Toxin in mushroom poisoning principally affects: March 2011 
Select and explain. 
A. Liver, B. Lung, C. Bladder, D. Nerves
D: Nerves
Answer: D: Nerves 
Explanation: Ans. D: Nerves Toxins of mushroom (poison) are parasympathomimetic Mushroom poisoning Main sign and symptoms: Nausea, vomiting, diarrhea, bloody vomitus and stools, enlarged tender liver and jaundice, oliguria, pulmonary edema, mental confusion, convulsions, coma Average fatal dose: 1/2 to 1 mushroom Fatal period: 3-6 days Treatment: Gastric lavage, suppoive, atropine, exchange transfusion in children, charcoal hemoperfusion in adults