LMC / 3RD PARTIAL READING QUIZ

What is the main idea of the last paragraph?

• The brain has 100 million cells called neurons.

• People are born with most of the neurons they have when they become adults.

• The brain’s neurons send and receive information throughout the body faster than any computer

The brain’s neurons use the spinal cord like a _____.

• map which shows the locations of different parts of the body

• highway

• pathway

What is the main idea of the third paragraph?

• The cerebral cortex, which has four parts, makes us intelligent.

• People used to think the brain was not important.

• The cerebral cortex has three parts.

The top of the cerebral cortex _____.

• processes things that people touch

• processes images from our eyes

• processes sounds that people hear

The cerebral cortex consists of _____.

• useless stuffing

• four parts called lobes

• four parts called neurons

As used in this reading, the words “useless stuffing” refers to _____

• unimportant material

• unimportant lobes on the surface of the cerebral cortex

• unused or new neurons inside the brain

Adult humans have ________________ connections between neurons

• 700 million

• 100 billion

• 125 trillion

People who injure the side lobe of the cerebral cortex _____.

• may have trouble remembering things

• are usually not very intelligent

• may not be able to feel happiness or sadness as well as other people

A mouse brain is _____.

• about half as strong as the world’s best supercomputer

• about as strong as the world’s best supercomputer

• about twice as strong as the world’s best supercomputer