Blood Types Quiz: Do You Really Know Yours?

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  • Questions: 10
  • Last Updated: 08 Sep, 2025
  • Attempts: 1
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Blood Types Quiz: Do You Really Know Yours?

Blood isn't just "red stuff" running through your veins it's a lifeline that delivers oxygen, nutrients, and protection throughout your body. But here's the cool thing: not all blood is created equal. People have different blood types, and knowing yours could save your life one day. If you ever need a transfusion or want to donate blood, the type has to match, or your body could reject it. Some blood types are rare, some are common, and a few are universal donors or universal recipients. Ready to test how much you know about blood types?

Why is it dangerous to get the wrong blood type in a transfusion?

  • It tastes bad

  • The immune system attacks it

  • It makes you sleepy

  • It turns blood blue

How can you find out your blood type?

  • Guessing

  • Blood test

  • Looking at your skin

  • Checking your pulse

Which is the most common blood type in the U.S.?

  • O+

  • A-

  • B+

  • AB-

Which blood type is called the “universal donor”?

  • A+

  • AB+

  • O-

  • B-

What percent of your body weight is blood?

  • About 2%

  • About 7-8%

  • About 15%

  • About 25%

Which blood type is the “universal recipient”?

  • O+

  • AB+

  • B+

  • A-

What does the “positive” or “negative” in blood type mean?

  • Mood of the person

  • Whether the Rh factor is present

  • Amount of sugar in blood

  • Blood pressure level

How many main blood groups are there?

  • 2

  • 4

  • 6

  • 8

What makes blood types different?

  • The color of blood

  • Proteins (antigens) on red blood cells

  • The amount of oxygen

  • Blood temperature

What are the four main blood groups?

  • A, B, AB, O

  • A, C, D, O

  • A, B, C, D

  • X, Y, Z, O

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