The physician has ordered cortisol level testing for a patient. When planning the test, what information should be provided to the patient?
a. The patient will need to be NPO for 6 hours before the procedure.
b. Increases in activity levels during the testing period will increase the reliability of results.
c. Blood samples will be collected periodi-cally during both the day and night.
d. Sodium intake should be limited during the day before the test.
C
Cortisol levels are collected during both the day and night to take into account alterations asso-ciated with circadian rhythms. Stress should be kept at a minimum. Increases in activity levels may promote stress and alter the test results. Dietary intake will not affect the test results.
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