nervous system review questions
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