IN the BD Spl, the water must be filled ________. A. Once a week B. Two week C. Three Week D. None of these

The correct answer is: A. Once a week.

The BD Spl is a type of blood filter that is used to remove waste products and toxins from the blood.

It is a small, disposable device that is inserted into a vein in the arm. The BD Spl must be filled with fresh, sterile saline solution every week to ensure that it is working properly.

Option B

is incorrect because the BD Spl should be filled with fresh, sterile saline solution every week, not every two weeks.

Option C is incorrect because the BD Spl should be filled with fresh, sterile saline solution every week, not every three weeks.

Option D is incorrect because the BD Spl must be filled with fresh, sterile saline solution every week.