Multiple choice general knowledge science & technology

Why is the Rh factor important?

  1. It indicates that the donor has an infection

  2. It is an indicator of susceptability to cancer

  3. It isn't important

  4. It can lead to harm in unborn fetuses
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Rh factor is a protein on red blood cells. If an Rh-negative mother carries an Rh-positive fetus, her immune system may attack the fetus's blood cells (hemolytic disease of the newborn). It is not used to detect infections or cancer susceptibility.

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