<span>The patient has brain damage in the sensory cortex.
The nurse tested if he was </span><span>able to recognize writing on the skin just by the sensation of touch.That ability is called </span><span>Graphesthesia and a </span><span>patient with damage in the sensory cortex
has impaired sensory perception and thus will not be able to identify
the number traced.</span>
<span>they maintain the integrity of the cell membrane </span>