Quiz
T6-1.- What percentage of your brain do you use?
Perguntas do quiz (5)
1What is the isoelectric state?
- AThe absence of reactivity that indicates brain death
- BThe point where excitation and inhibition balance each other out
- CThe point at which half the brain’s energy goes to just maintain its structure
2To what is most the brain’s energy devoted?
- ATransmitting signals
- BMaintaining electrical resting potentials
- CKeeping it from falling apart
3How does cooking provide more energy than eating raw foods?
- AIt releases calories
- BIt makes food soft and denatures proteins so they are more easily absorbed
- CIt makes it tastier
4What does “sparse coding” of nerve impulses imply?
- AThat there isn’t enough energy to send signals all the time
- BThat brains have to figure out how to do more with less
- CThat a small number of signals can carry a lot of information
5Why are attempts at multitasking inefficient?
- AOur memory capacity is limited
- BTwo or more things at once is confusing
- CThe fact of selective attention means that we don’t have the energy to do so
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- English
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