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Around how many nerve cells are in the brain ?

10 million
100 million
10 billion
100 billion


Your brain is made up of approximately 100 billion nerve cells. These cells are known as neurons.

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What is the largest part of the human brain ?

Brain stem
Cerebrum
Cerebellum
Medulla


Also called the cerebral cortex, it dominates the exterior surface of the brain.

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If you have Parkinson's disease, what part of the brain is affected ?

Lower brain
Higher brain
Mid brain
Whole brain


The midbrain contains a portion called the substantia nigra, which is involved in voluntary movements. When it doesn't function, you have the tremored movements of Parkinson's disease.

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What are the folds of the brain called ?

Endocrine
Lobes
Sulci
Gyri


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If you're looking at a brain from above, what is the large groove that separates the right and left halves ?

Interhemispheric fissure
Corpus callosum
Anterior commissure
frontal lobe


The interhemispheric fissure separates the brain into left and right halves. The halves talk to each other through tracts of fibers known as the corpus callosum and the anterior commissure.

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If the section of the brain known as Wernicke's area were damaged, what might the result be ?

Loss of the ability to speak
Loss of the ability to control the right arm
Loss of the ability to smell
Loss of the ability of identification


Wernicke's area processes the sensory information associated with language. Damage to this area results in sensory aphasia, in which patients can't understand language but can still produce sounds.

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What part of the cerebrum processes information related to touch and pain ?

Frontal lobe
Temporal lobe
Parietal lobe
Occipital lobe


The parietal lobe receives and processes input related to touch and pain, known as somatosensory input

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If a person have an injury to her frontal lobe, he might have difficulty in

Reasoning and making decisions
Remembering past events
Seeing
Sleeping


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Which part of the brain is responsible for hearing and memory ?

Occipital lobe
Cerebellum
Temporal lobe
Frontal lobe


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Which part of the brain is responsible for processing visual information ?

Occipital lobe
Cerebellum
Temporal lobe
Frontal lobe


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