Medically Reviewed by Carol DerSarkissian, MD on February 22, 2023
Question 1/9

Blood makes up about how much of your body weight?

  • 24%-25%
  • 7%-8%
  • 3%-4%
Question 2/9

Just before their death, doctors drained blood from the first president of the United States to try to cure them of illness.

  • True
  • False
Question 3/9

When it comes to romance, what question might a person from Japan ask you to see if you're well-matched?

  • What’s your blood type?
  • What’s your sign?
  • Have you given blood lately?
Question 4/9

Blood tests can help your doctor diagnose physical illness, mental illness, or both.

  • You have a physical illness.
  • You have a mental illness.
  • Both
Question 5/9

Scientific research tells us vampires don't exist.

  • True
  • False
Question 6/9

Blood clots can form in your legs on a long plane trip because:

  • You are buckled into your seat for a long time.
  • Cabin pressure.
  • Both
Question 7/9

If you have this type of blood, you may have a greater chance of memory loss as you age:

  • B
  • O
  • AB
Question 8/9

The first blood transfusion was done in the:

  • 1800s
  • 1700s
  • 1600s
Question 9/9

The original meaning of the saying “blood is thicker than water” is that family ties are the tightest of all.

  • True
  • False