This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cirrhosis, Subject name: Medicine
[{'content': 'Which one of the following statements is TRUE regarding the clinical sign being elicited here? \nSelect and explain. \nA. This test helps to detect ascites, B. This test is for eliciting shifting dullness, C. The hand on the midline below the umbilicus will feel the vibrations in patients with ascites, D. All of the above statements are true', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The test being done is Fluid thrill for detection of ascites. The hand of second doctor in picture is to prevent transmission of vibrations by abdominal fat.', 'role': 'assistant'}]