Question

quantifying a manual art, such as palpation, is difficult because
exaggerated emphasis on active range of motion.
the lack of standard for comparison.
decreased emphasis on skin tone.
exaggerated emphasis on passive range of motion.
question 20 (2 points)

Explanation:

Quantifying a manual - art like palpation is hard mainly due to the absence of a standard for comparison. Without a standard, it's difficult to measure or assign values. The other options about ranges of motion or skin - tone are not the main reasons for the difficulty in quantification.

Answer:

the lack of standard for comparison.