Brain and Sleep Comprehension Quiz

Read this sentence from paragraph 3. “At some points in the cycle, our brains are resting.” What does cycle mean in this sentence?

• A repeated events

• B moving in a circle

• C a square shape

• D a time of day

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How does the illustration in Passage 1 help readers understand the passage?

• A It shows the brain during sleep.

• B It shows how the machines work.

• C It shows why doctors study sleep.

• D It shows the order of sleep stages.

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Part A Based on Passage 1, what could happen if we do not get enough sleep?

• A Our brains might not go through a cycle.

• B We might not be able to think as well.

• C Our brains might not shut off.

• D We might not dream.

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Part B Which sentence from the passage supports the answer in Part A?

• A “Our brains must have a time to rest and recover from all the thinking we do during the day.” (paragraph 2)

• B “To their surprise, they have learned that our brains can be very active during sleep.” (paragraph 3)

• C “As you go through the stages, your body becomes more and more still until it is completely motionless.” (paragraph 4)

• D “Scientists now know that there are many reasons why sleep is so important.” (paragraph 5)

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What is the main idea of Passage 2?

• A A healthy breakfast is great for children but not adults.

• B Balancing your diet means avoiding all fats and proteins.

• C People’s brains become less healthy as they get older and older.

• D You have to care for your brain as you do for the rest of your body.

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Based on Passage 2, what do certain fats do to the brain?

• A They slow down the brain.

• B They make its cells stronger.

• C They act like fuel for the brain.

• D They make it harder to remember.

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Which section in Passage 2 helps the reader understand how proteins and carbohydrates help the brain?

• A A Recipe for Brain Power

• B You Are What You Eat

• C Timing Is Everything

• D Super Foods

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What is the point of view of both passages? Select two answers.

• A Both authors feel that taking care of the brain is hard work.

• B Both authors feel that the brain must be kept busy at all times.

• C Both authors feel that the brain is an amazing part of the body.

• D Both authors feel that the brain is more important than the rest of the body.

• E Both authors feel that thinking and remembering depend on a healthy brain.

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Based on the passages, what is an important thing to know about the brain?

• A Your brain changes as you get older.

• B Each person’s brain works differently.

• C Scientists don’t really know how the brain works.

• D If you take care of your brain, it will take care of you.

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