Which Statement Concerning Osmolarity Is Correct

Multiple Choice

Which statement concerning osmolarity is correct?

A) Hypertonic solution has a higher concentration of solutes and a lower concentration of H₂O than an isotonic solution.
B) When the body becomes dehydrated (H₂O deficit) , urinary output increases as compensatory measures.
C) Sopressin secretion is decreased when a deficit of water develops in the body.
D) Diabetes insipidus often leads to hypotonicity of the body fluids.