This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 2, Subject name: Forensic Medicine
Universal antidote includes all the following except 
Select and explain. 
A. Activated charcoal, B. Magnesium oxide, C. Sodium sulphate, D. Tannic acid
C: Sodium sulphate
Answer: C: Sodium sulphate 
Explanation: - Universal antidote is a mixture of Activated charcoal, tannic acid & magnesium oxide. - It is a combination of physical and chemical antidotes; used in those cases where the nature of ingested poisons is unknown or when it is suspected that two or more poisons were taken. - Activated charcoal, tannic acid & magnesium oxide: 2 :1 :1