What should the nurse do when preparing the patient for an exercise tolerance test (treadmill)?
a. Withhold all foods and fluids before the test
b. Withhold all heart medications before the test
c. Allow the patient to drink water before the test
d. Allow the patient to consume food before the test
ANS: C
A patient having an exercise tolerance test is kept NPO, except for water, for 4 hours until after the test. The nurse should never withhold the patient's heart medications before this test.
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