This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Forensic Toxicology - Concepts, Statutes, Evidence, and Techniques, Subject name: Forensic Medicine
'Cavett; test is used for the detection of____ blood: 
Select and explain. 
A. Barbiturates, B. Alcohol, C. Opiates, D. Cyanides
B: Alcohol
Answer: B: Alcohol 
Explanation: Ans. (B). Alcohol(Ref: Review of Forensic Medicine and toxicology; Gautum Biswas; 2nd edition; Pg - 553)Methods to find blood and urine alcohol levelsCavetttestQAlcohol dehydrogenase methodKozelka and Hine testGas chromatography (most specificQ)Breath analyzer