The client has an IV of dextrose 5% in 0.45% normal saline. The physician has ordered a transfusion of one unit of packed red blood cells (PRBCs).
Before hanging the blood, the nurse will prime the blood tubing with which of the following solutions?
0.9% sodium chloride.
Lactated Ringer's.
5% dextrose.
5% dextrose in 0.45% sodium chloride.
5% dextrose in 0.45% sodium chloride.
The Correct Answer is A
This is the only solution that is isotonic and compatible with blood products. It will not cause hemolysis or clotting of the blood cells.
Choice B is wrong because lactated Ringer’s is a balanced electrolyte solution that contains calcium, which can cause clotting of the blood cells.
Choice C is wrong because 5% dextrose is a hypotonic solution that can cause hemolysis of the blood cells.
Choice D is wrong because 5% dextrose in 0.45% sodium chloride is a hypertonic solution that can cause hemolysis of the blood cells.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["23"]
Explanation
The correct answer is 22.5 mL.
To find the amount of mL, use the formula: (desired dose / available dose) x available volume.
In this case, desired dose = 30 mEq, available dose = 20 mEq, and available volume = 15 mL.
Plug these values into the formula: (30 mEq / 20 mEq) x 15 mL = 22.5 mL.
However, since the instructions say to round to the nearest whole number for adult clients, the final answer is 23 mL.
Correct Answer is B
Explanation
An isotonic solution has the same concentration of solutes as the blood plasma. 0.9% sodium chloride solution is an example of an isotonic solution.
It is used to supply water and salt to the body and to prevent hypotension induced by spinal anaesthesia.
Choice A is wrong because a hypotonic solution has a lower concentration of solutes than the blood plasma.
It can cause water to move into the cells and cause them to swell.
Choice C is wrong because a hypertonic solution has a higher concentration of solutes than the blood plasma.
It can cause water to move out of the cells and cause them to shrink.
Choice D is wrong because a colloid solution contains large molecules that do not pass through the capillary walls.
It is used to increase the blood volume and pressure in cases of shock or severe blood loss.
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