Q96 / 270 · NDA 2021 (Phase 1) · General Ability

If human blood is placed in a $2 \%$ detergent solution, what will happen to the RBC?

  • Correct answer
    A
    The RBC will shrink.
  • B
    The RBC will swell and become turgid.
  • C
    The RBC will swell and burst.
  • D
    The RBC will lyse.

Solution

When a Red Blood Cell is placed in concentrated saline solution exosmosis occurs and the RBCs shrink due to excess loss of water.

Hence, the correct answer is option: 'A'.

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