A nurse is assisting in the care of a client who is to receive a transfusion of packed red blood cells (PRBCs). Which of the following solutions should be administered with PRBCs?
0.9% sodium chloride
Dextrose 5% in water
Lactated Ringer's
Dextrose 5% in 0.45% sodium chloride
The Correct Answer is A
Choice A reason: 0.9% sodium chloride or normal saline is the only solution that should be administered with PRBCs, as it has an isotonic osmolarity and pH that are compatible with blood products and can prevent hemolysis or clotting.
Choice B reason: Dextrose 5% in water or D5W should not be administered with PRBCs, as it has a hypotonic osmolarity that can cause hemolysis or rupture of red blood cells due to osmotic pressure.
Choice C reason: Lactated Ringer's or LR should not be administered with PRBCs, as it contains calcium and lactate that can interfere with blood coagulation and cause clotting or embolism.
Choice D reason: Dextrose 5% in 0.45% sodium chloride or D5½NS should not be administered with PRBCs, as it has a hypotonic osmolarity that can cause hemolysis or rupture of red blood cells due to osmotic pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Filling the pad with sterile water is not necessary, as tap water can be used for an aquathermia pad without increasing the risk of infection or contamination.
Choice B reason: Using safety pins to secure the pad in place is not appropriate, as they can puncture or damage the pad and cause leakage or electric shock.
Choice C reason: Applying the pad for 45 min at a time is not recommended, as it can cause skin burns or tissue damage due to prolonged exposure to heat. The nurse should apply the pad for no more than 20 min at a time and check the skin frequently for signs of redness or blistering.
Choice D reason: Covering the pad prior to use is an important action, as it can prevent direct contact between the pad and the skin and reduce the risk of burns or irritation. The nurse should use a towel or a cloth to cover the pad before applying it to the affected area.
Correct Answer is D
Explanation
Choice A reason: PaO2 85 mmHg is within the normal range of 80 to 100 mmHg and does not indicate any hypoxemia or oxygen deficiency.
Choice B reason: pH 7.47 is within the normal range of 7.35 to 7.45 and does not indicate any acid-base imbalance.
Choice C reason: HCO3 25 mEq/L is within the normal range of 22 to 26 mEq/L and does not indicate any metabolic disturbance.
Choice D reason: PaCO2 55 mmHg is above the normal range of 35 to 45 mmHg and indicates respiratory acidosis, which is a condition where the lungs cannot eliminate enough carbon dioxide and the blood becomes too acidic. This can be caused by pneumonia, which can impair gas exchange and ventilation.
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