This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Best test for seminal stains is: \nSelect and explain. \nA. Barbeiros test, B. Acid Phosphatase test, C. Florence test, D. Alkaline Phosphatase test', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The acid phosphatase test- 1. Level > 25 kA Unit is specific for the test or Undiluted semen has an acid phosphatase activity of 340 - 360 Bodansky U/ml, it is higher in humans as compared to animals. 2. It is +ve also by human RBCs, semen of higher apes and juice of cauliflower. 3. The prostatic secretion element of seminal fluid contains a very much higher percentage of acid phosphatase. 4. This test is conclusive in the absence of demonstrable sperms or in aspermia. 5. Is a quantative test.', 'role': 'assistant'}]