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: Psychiatry
[{'content': 'The Halstead Retain battery involves all except : \nSelect and explain. \nA. Finger oscillation, B. Constructional praxis, C. Rhythm, D. Actual performance', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In Halstead - Reitan battery test, the battery is composed of ten tests :\n\nCategory test.\nTactual performance test.\nRhythm test.\nFinger - oscillation test.\nSpeech-sound perception test.\nTrail - making test.\nCritical flicker frequency.\nTime sense test.\nAphasia screening test.\nSensory - perceptual test.', 'role': 'assistant'}]