Find the area of the surface of the portion of the plane 
in the first octant.
Definitions:
Polyuria
A condition characterized by the production of abnormally large volumes of dilute urine.
Proteinuria
The presence of abnormal amounts of protein in the urine, often a sign of kidney disease.
Certified Nursing Assistant
A healthcare professional trained to assist nurses and doctors with patient care and perform basic nursing tasks.
Bedside Dipstick
A quick, point-of-care urine test conducted at a patient's bedside to assess certain health markers.
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