chapter 17 study questions Flashcards

1
Q

brain and spinal cord

A

CNS components

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2
Q

nerves emanating from brain and spinal cord

A

PNS components

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3
Q
match functions
sensory, integrative, motor 
with
peripheral nerves
muscles and glands
CNS
A
sensory = peripheral nerves
integrative = central nervous system
motor = muscles and glands
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4
Q

clear serum like fluid that provides nutrition for the CNS and liquid cushion

A

CSF

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5
Q

list defenses of brain and spinal cord

A
phagocytic microglia and macrophages
lower levels of MHC expression
skull and vertebrae
CSF
blood-brain barrier
meninges

NOT:
enhanced phagocytic activity
enhanced complement levels
rapid inflammatory response (remember: CNS is immune privileged)

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6
Q

the term _____ refers to a partial or different immune response in the CNS, eyes, and uterus

A

immune privilege

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7
Q

the normal biota of CNS and PNS includes

A

there is no normal biota in the NS

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8
Q

the _______ nervous system is an immunologically privileged site

A

central

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9
Q

which type of organism causes the most serious type of meningitis?

A

bacteria

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10
Q

bacterial entrance to the nervous system is often a result of coinfection or previous infection of viruses affecting the ______

A

resp system

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11
Q

to obtain a sample of CSF in suspected cases of meningitis, what is usually performed?

A

spinal tap/lumbar puncture

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12
Q

which of the following are typical signs and sx of most cases of meningitis?

increased WBC in CSF
increased neutrophils in blood
diarrhea
fever
headache
resp paralysis
A

increased WBC in CSF
fever
headache

*also stiff/sore neck

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13
Q

meningitis can manifest as ______ or ______

A

chronic or acute

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14
Q

a gram-neg diplococcus that causes 15-20% of cases of meningitis is

A

Neisseria meningitidis

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