Explain how dehydration and overhydration differ
What will be an ideal response?
Dehydration is defined as decreased volume and increased solute concentration of the extracellular fluid. Overhydration, or hypotonic hydration, results when the volume of the extracellular fluid (ECF) increases and its osmotic pressure falls.
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Which blood vessels have porous walls that allow water and small solutes to seep through?
A) veins B) arterioles C) venules D) arteries E) capillaries
Placenta previa occurs when
A. the placenta is formed too early. B. implantation occurs close to the cervix. C. a normally placed placenta tears away from the uterine wall. D. implantation occurs in the fundus of the uterus.
Another name for the cuticle is the
A. eponychium. B. hyponychium. C. nail matrix. D. nail bed. E. nail root.
Which effect can be attributed to increased pressure on a bone?
A. Increased osteoblast activity B. Increased osteoclast activity