If the red blood cells (RBCs) of human blood are isolated and are diluted in normal saline (an isotonic solution to blood), what will happen to the RBCs?

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Q: 64 (CDS-I/2023)
If the red blood cells (RBCs) of human
blood are isolated and are diluted in
normal saline (an isotonic solution to
blood), what will happen to the RBCs?

question_subject: 

Science

question_exam: 

CDS-I

In an isotonic solution, there is no net movement of water, so the RBCs remain unchanged in size.