Medically Reviewed by Jennifer Robinson, MD on August 12, 2022
Question 1/17

Your brain can juggle more than two conscious tasks at once.

  • True
  • False
Question 2/17

What may cause déjà vu?

  • Confusion between dreams and reality
  • Being somewhere new that resembles a place you remember
  • Faulty brain wiring
  • A concussion
Question 3/17

The bigger your brain is, the smarter you are.

  • True
  • False
Question 4/17

What surprised scientists about Einstein’s brain?

  • It was missing several key parts
  • His brain cells' nerve fibers were longer than average
  • His brain was no bigger than average
  • Certain lobes of his brain appeared larger than normal
Question 5/17

About how much does your brain weigh?

  • 1.5 pounds
  • 3 pounds
  • 6.5 pounds
  • 13 pounds
Question 6/17

Meditation has been shown to improve the ability to pay attention and make decisions.

  • True
  • False
Question 7/17

If you are left handed, the right side of your brain controls the muscles on the left side of your body.

  • True
  • False
Question 8/17

What do most people mainly use the left side of the brain for?

  • Language
  • Spatial abilities
  • Face recognition
  • Music
Question 9/17

The more you use your brain, the stronger it stays. 

  • True
  • False
Question 10/17

What raises your chances of having a stroke?

  • High blood pressure
  • Exposure to UV radiation
  • Emotional stress
  • All of the above
Question 11/17

How do brain cells signal one another?

  • Through chemicals called neurotransmitters
  • By making tiny vibrations
  • Through magnetic attraction
Question 12/17

What is "gray matter"? 

  • The protective lining around your brain
  • The cell bodies of neurons
  • The myelin sheath
Question 13/17

How much of your energy does your brain use?

  • 5%
  • 10%
  • 25%
  • 75%
Question 14/17

Which images register strongest in your brain?

  • Faces
  • Cuddly animals
  • Words
Question 15/17

How many brain cells are in your brain?

  • 10 million
  • 2 billion
  • 100 billion
  • 300 billion
Question 16/17

A good night’s sleep allows your brain to store memories. 

  • True
  • False
Question 17/17

Brain cells generally live longer than other cells.

  • True
  • False