Why is it important to support the client's hand fully when performing a sensory evaluation?

A. So the client remains relaxed
B. To prevent the hand from moving, which could provide sensory information that interferes with the testing
C. To be sure that the client pays attention
D. To be consistent in technique among all clients

ANS: B
It is important to support the client's hand fully, using either the examiner's hand or resting the client's hand against putty to prevent it from moving, which could provide sensory information that interferes with the test being administered.