This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poisoning, Subject name: Anatomy
Forced alkaline diuresis cannot be done in which poisoning 
Select and explain. 
A. Barbiturates, B. Salicylates, C. Alcohol, D. Methotrexate
C: Alcohol
Answer: C: Alcohol 
Explanation: Forced alkaline diuresis It is a method to achieve a urinary pH 7.5 to 9 and promote the excretion of the drug through urine, Eg: salicylates, barbiturates, chlorpropamide, methotrexate. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 403