What intervention should the nurse implement when preparing the patient for a glucose tolerance test (GTT)?
a. Restrict water intake before the test
b. Encourage water intake before the test
c. Keep patient NPO 4 hours before the test
d. Instruct patient to have a full bladder for the test
ANS: B
A patient having a glucose tolerance test should be kept NPO for 12 hours before the test except for water consumption so that they can provide urine samples. The patient should empty their bladder before the examination.
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