Tag: science & technology

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Questions Related to science & technology

Multiple choice general knowledge science & technology

What does 'Rh factor' stand for?

  1. Rhesus incompatibility factor

  2. Rhabdomyolysis factor

  3. Rheims factor

  4. Rhodamine H factor
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Rh factor stands for Rhesus factor, named after the Rhesus monkey in which it was first discovered. It refers to a protein antigen on red blood cells that is important in blood typing and pregnancy complications.

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.

Multiple choice general knowledge science & technology

What is the least common blood type?

  1. None of the Below

  2. O +

  3. AB

  4. B +
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

AB negative is the rarest blood type globally, but among the broad ABO groups, AB is the least common. O+ is actually the most common, making it a distractor. AB individuals have both A and B antigens, which occurs less frequently in the population than other combinations.