Red blood cells (RBCs) have been placed in three different solutions: hypotonic, hypertonic, isotonic. What is solution "B" relative to the RBC?

A) Hypotonic solution
B) Hypertonic solution
C) Isotonic solution

Hypertonic Solution

A solution with a higher concentration of solutes compared to another solution, leading to osmosis out of a cell.

Hypotonic Solution

A solution having a lower osmotic pressure than another fluid, typically leading to the swelling of cells immersed in it.

Isotonic Solution

A solution that has the same osmotic pressure as another solution, typically referring to body fluids.