nervous system review questions

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what area of the brain is injured if a person is in a coma?

(RAS) reticular activating system

when neurons of the cerebral cortex die and the cortex shrinks, it is a characteristic of which disease?

alzheimer's

what is the middle meningeal layer?

arachnoid

what are the parts of the central nervous system?

brain and spinal cord

where are the meninges found?

brain and spinal cord

gray matter on the surface of the cerebrum is known as

cerebral cortex

for messages to get from the cerebrum to other parts of the cerebrum or to other parts of the brain they must travel through

cerebral white matter

what is the thickest and outermost meningeal layer?

dura matter

irregular bursts of electrical activity in the brain occur in which condition?

epilepsy

how many lobes are in the cerebrum?

four

why is the pia matter thin and delicate?

helps to nourish spinal cord

what area of the brain is probably affected if a person feels cold all the time?

hypothalamus

the reflex arc involves which types of neurons? does it include the brain?

inner, sensory, motor; no

involuntary functions that include swallowing and vomiting are controlled by the...

medulla oblongata

what area of the brain is probably affected if a person stops breathing?

medulla oblongata

what part of the cortex sends messages that move skeletal muscles?

motor area

most axons are covered with

myelin sheath

which material allows messages to travel down the neurons much faster?

myelin sheath

what are the cells called that support and protect neurons?

neuroglia

chemicals that carry messages between neurons are called

neurotransmitters

what is the function of cerebrospinal fluid (CSF)?

nourishment and protection

when not enough dopamine is produced in the brain the resulting condition is

parkinson's disease

what is the inner meningeal layer called

pia matter

which of the following connects the cerebrum and cerebellum?

pons

if a person could not feel the fingers on their left hand, which part of the cortex would be injured?

right side of sensory cortex

what is the function of the cerebellum?

sorts out sensory information and sends it to cerebrum

when blood vessels become blocked and brain tissue dies it's called...

stroke

the space between neurons is called

synapse


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