Normally a Patient Can Differentiate Between Soft and Sharp and Can

Normally a patient can differentiate between soft and sharp and can feel vibrations accurately. To test sensory function the nurse should do which of the following?

A) Touch both sides of various parts of the body with a sharp and a dull object.
B) Have the patient distinguish which parts of the body are being touched.
C) Ask the patient to guess whether he or she is being touched with a paper clip or a needle.
D) Touch a part of the body without the patient looking and have him or her identify the area being touched.