Quiz  /  Blood: Fact or Fiction?

  • 1. 
    There are five types of blood cells.

  • TRUE
  • FALSE

  • 2. 
    The most common blood type is AB negative.

  • TRUE
  • FALSE

  • 3. 
    Too much manganese in the blood can be dangerous.

  • TRUE
  • FALSE

  • 4. 
    White blood cells outnumber red blood cells in the human body.

  • TRUE
  • FALSE

  • 5. 
    In the human body, blood flows because of pressure differences.

  • TRUE
  • FALSE

  • 6. 
    The capillaries are the thickest blood vessels.

  • TRUE
  • FALSE

  • 7. 
    A sphygmomanometer measures blood cholesterol levels.

  • TRUE
  • FALSE

  • 8. 
    In a blood-pressure reading, the numbers represent units of mercury.

  • TRUE
  • FALSE
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