A Nurse Has Defined the Research Question As, "How Does

A nurse has defined the research question as, "How does oral nutritional supplementation during dialysis treatments affect the serum albumin levels of adult patients who have chronic kidney disease Stage 5?" In this question, what is the independent variable?

A) Adult patients with chronic kidney disease Stage 5
B) Oral nutritional supplementation
C) During dialysis treatments
D) Serum albumin levels

Correct Answer:

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