A client is experiencing edema in the tissue. The nurse is correct in anticipating which tonicity of intravenous fluid?
A) Isotonic fluid
B) No intravenous solution
C) Hypertonic solution
D) Hypotonic solution
B
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There are three types (tonicity) of intravenous fluids, which are isotonic, hypotonic, and hypertonic solutions. By process of osmosis and diffusion, solutes are moved through the body. A hypertonic solution is used to pull water back in to circulation as a hypertonic solution has more particles than the body's water. An isotonic solution is the same concentration as the body's water and is used as an intravenous volume expander. A hypotonic solution has fewer particles than the body's water thus shifting water from the vascular space to the tissue.
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