(Solved): Why is hematocrit unchanged during hyperosmotic volume contraction and hyposmotic volume contraction ...

Why is hematocrit unchanged during hyperosmotic volume contraction and hyposmotic volume contraction?

\begin{tabular}{lllllll} \hline Type & Example & ECF Volume & ICF Volume & Osmolarity & Hematocrit & Plasma [protein] \\ \hline Isosmotic volume contraction & Diarrhea; burn & \( \downarrow \) & N.C. & N.C. & \( \uparrow \) & \( \uparrow \) \\ Hyperosmotic volume contraction & Sweating; fever; diabetes insipidus & \( \downarrow \) & \( \downarrow \) & \( \uparrow \) & N.C. & \( \uparrow \) \\ Hyposmotic volume contraction & Adrenal insufficiency & \( \downarrow \) & \( \uparrow \) & \( \downarrow \) & \( \uparrow \) & \( \uparrow \) \\ Isosmotic volume expansion & Infusion of isotonic NaCl & \( \uparrow \) & N.C. & N.C. & \( \downarrow \) & \( \downarrow \) \\ Hyperosmotic volume expansion & High NaCl intake & \( \uparrow \) & \( \downarrow \) & \( \uparrow \) & \( \downarrow \) & \( \downarrow \) \\ Hyposmotic volume expansion & SIADH & \( \uparrow \) & \( \uparrow \) & \( \downarrow \) & N.C. & \( \downarrow \) \\ \hline \end{tabular}