Prior to a Scheduled Laboratory Blood Draw for Serum Aldosterone

Prior to a scheduled laboratory blood draw for serum aldosterone level, a nurse should instruct a patient to:

A) Decrease potassium in the diet at least 48 hours prior to the test.
B) Increase fluid intake during the 24 hours prior to the test.
C) Remain in either a supine or upright position for at least 2 hours prior to the test.
D) Restrict sodium in the diet for 1 week prior to the test.

Correct Answer:

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