Which of the following guidelines will improve the reliability of sensory testing?

Question

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The following guidelines serve to improve the reliability of sensory testing: (1)administer the tests in a quiet,distraction-free setting;(2)position the patient seated or lying and supported by a firm,stable surface to avoid challenging balance during the test;(3)explain the purpose of the test;(4)demonstrate each test before administering it;during the demonstration,allow the patient to see the stimulus;(5)during testing,block the patient's vision by having the patient close the eyes or wear a blindfold or by placing a barrier between the part being tested and the patient's eyes;and (6)apply stimuli near the center of the dermatomes being tested.

Which of the Following Guidelines Will Improve the Reliability of Sensory