Which IV solution is classified as a hypotonic crystalloid?
Correct answer: A. 0.45% sodium chloride
- A. 0.45% sodium chloride
- B. 0.9% sodium chloride
- C. 3% sodium chloride
- D. 5% human albumin
Explanation
0.45% sodium chloride is hypotonic and provides less sodium than plasma, so water moves into cells. 3% sodium chloride is hypertonic, while albumin is a colloid rather than a crystalloid.
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About IV Fluids and Blood Transfusion
IV therapy covers crystalloid and colloid fluids, electrolyte replacement, maintenance and resuscitation fluids, infusion equipment and complications such as infiltration, phlebitis, fluid overload and electrolyte imbalance. Blood transfusion content includes compatibility, cross matching, administration precautions and recognition of haemolytic, febrile and allergic reactions, distinct from ordinary IV fluid reactions.
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