Brain plasticity refers to which of the following?

the ability of brain tissue to take on new functions

Adequate sleep is important to your brain because:

your brain works on storing memories as you sleep.

Which of the following functions is the prefrontal cortex of your brain responsible for?

your ability to plan for the future

Which of the following is a function of the right brain hemisphere:

controls the left side of the body

The surface of a living brain is:

so soft it can be cut with a butterknife

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Questions 12

Answers

1
Brain plasticity refers to which of the following?
how the brain gets larger as a child grows
the brain transfer information between hemispheres
the fixed and permanent nature of the brain at puberty
the ability of brain tissue to take on new functions
2
How many neurons (brain cells) does a human brain have?
5 million
10 billion
100 billion
100,000
3
The brain is made up of 78%
fat
protein
oxygen
water
4
Adequate sleep is important to your brain because:
your brain works on storing memories as you sleep.
your brain needs to “shut down” and rest each day.
your brain produces essential proteins during sleep.
your brain loses brain cells each day if it lacks sleep.
5
Which of the following functions is the prefrontal cortex of your brain responsible for?
your ability to plan for the future
your ability to understand what someone else says
your ability to maintain your balance while you dance
your ability to make new memories
6
Neurons send signals to other neurons at a rate of about _______________.
1000 mph
200 mph
10 mph
70 mph
7
Which of the following is a function of the right brain hemisphere:
language
controls the left side of the body
logical analysis
emotions
8
The surface of a living brain is:
encased in a protective skin, like a tomato
rubbery and springy to the touch
so soft it can be cut with a butterknife
covered with a protective, leather-like membrane
9
The brain is about 2% of your body weight, and uses what percentage of your body’s energy?
5%
1%
10%
20%
10
How long can the brain function without oxygen before damage starts to occur?
2-3 minutes
6-8 minutes
it can’t
4-6 minutes
11
Your brain generates enough electrical power while you are awake to:
power a computer
light a 25 watt light bulb.
run a table saw.
turn on a microwave
12
The average adult human brain weighs about:
8 pounds
3 pounds
1 pound
5 pounds

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