system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following test are used for arsenic poisoning -a) Marsh's testb) Reinsh's test c) Macewan's test d) Marqui's test
assistant
The correct answer is  Marsh's test and Reinsh's test were used arsenic poisoning, but are obsolete now.