The nurse is assessing the client's neurologic system. The nurse tests the client's ability to perform stereognosis. Which activity will accurately test this?
1. The nurse places a vibrating tuning fork over the client's ankle and asks the client to indicate when the vibration can no longer be felt.
2. The nurse asks the client to close her eyes and writes the number '7' in the client's palm with the base of the nurse's pen. The nurse asks the client to identify what was written.
3. The nurse asks the client to close her eyes and places a pen in the client's hand. The nurse asks the client to name the object in her hand.
4. The nurse asks the client to close her eyes and indicate where the nurse is touching the client.
Correct Answer: 3
Stereognosis is the ability to identify an object without seeing it. The inability to identify a familiar object could indicate cortical disease. Vibratory sense is the test to identify if the client can perceive vibration. The inability to perceive vibration may indicate neuropathy. Graphesthesia is the ability to perceive writing on the skin. The inability to perceive a number on the skin may indicate cortical disease. Topognosis is the ability of the client to identify an area of the body that has been touched. The inability of the client to identify a touched area demonstrates sensory or cortical disease.
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