A nurse is assisting with blood and urine tests for catecholamines.The nurse understands that which of the following factors affect catecholamine levels and therefore must be controlled during the test? Select all that apply.
A)Diurnal variations
B)Stress level
C)Talking
D)Postural changes
E)Diet

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The Answer of A nurse is assisting with blood and urine tests for catecholamines.The nurse understands that which of the following factors affect catecholamine levels and therefore must be controlled during the test? Select all that apply.
A)Diurnal variations
B)Stress level
C)Talking
D)Postural changes
E)Diet

A Nurse Is Assisting with Blood and Urine Tests for Catecholamines.The