What is true about the two-point threshold test?
A) The area of the greatest density of touch receptors has the least ability to detect touch.
B) The location where the subject detects two points at their smallest distance apart contains the least density of touch receptors, and the area of the greatest density of touch receptors has the least ability to detect touch.
C) The location where the subject detects two points at their smallest distance apart contains the least density of touch receptors.
D) The location where the subject detects two points at their smallest distance apart contains the greatest density of touch receptors.
Answer: D
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