This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Pitch discrimination is best between 
Select and explain. 
A. 0-100 Hz, B. 100-1000 Hz, C. 1000-4000 Hz, D. 20-20,000 Hz
B: 100-1000 Hz
Answer: B: 100-1000 Hz 
Explanation: Pitch is a subjective sensation produced by frequency of the sound Normal person can hear frequencies of 20-20,000 Hz Audiometry testing is done for only 125 - 8000 Hz Ref: Dhingra 7e pg 21,22.