【Daily Question】March 16, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers

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To increase the popularity of the chemical analysis section, a \"One Question per Day\" campaign has been launched to foster an active atmosphere for technical exchanges while offering rewards in the form of financial benefits to users. 【Daily Question】 (Single-choice question) Which of the following first-aid methods for poisoning is incorrect? A. In the case of acute toxic poisoning of the respiratory system, it is necessary to remove the poisoned person from the area and expose them to fresh air, or provide anti-toxin treatment. B. In the event of H2S poisoning, gastric lavage should be carried out immediately to induce vomiting. C. If a person swallows a solution of heavy metal salts, gastric lavage should be performed right away to induce vomiting. D. When the skin, eyes, or nose are exposed to toxic substances, they should be rinsed immediately with plenty of tap water. Standard answer: B. Please post your answer in the replies; answering correctly earns you +2 points, while getting all answers right grants an additional +3 to +8 points. Those who provide thorough analyses and explanations for the questions (or include detailed calculation processes) will receive extra points as a reward. If your answer is correct and your analysis is accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions.