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23 Cards in this Set
- Front
- Back
NERVOUS SYSTEM
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Brain and spinal cord
Peripheral nerves |
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the brain and spinal cord are covered by
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meninges
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Encephalitis
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infection of the brain
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Meningitis
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infection of the meninges
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normal microbiota of ns
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Nervous system normally sterile
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BACTERIAL DISEASES OF THE NERVOUS SYSTEM (place marker)
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Bacterial meningitis
Lysteria moncytogenes Tetanus Botulism Leprosy |
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Bacterial meningitis
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Caused by many species of bacteria
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three most common causes of bacterial meningitis
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Haemophilus influenzae
Streptococcus pneumoniae Neisseria meningitides |
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Most common cause of meningitis outbreak
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Neisseria meningitides
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Lysteria moncytogenes
causes what disease in what population |
Causes meningitis in newborns
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Tetanus
caused by bacteria produces source |
Caused by Clostridium tetani
Produces potent neurotoxin Picked up in the soil |
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symptoms of teatnus
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Over stimulation of skeletal muscle, causing muscle to seize, interferes with the AcHase, it never breaks down the AcH in the neuromuscular junction, very scary when it effects the diaphragm
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Botulism
caused by bacteria produces source |
Caused by Clostridium botulinum
Produces potent exotoxin Can effect canned foods |
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What does botulism do to the body?
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does the opposite of tetanus, prevents muscle contraction
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Leprosy
cause result effect |
Caused by Mycobacterium leprae
Results in loss of skin sensation Effects sensory nerves of peripheral nervous system, the skin loses its ability to feel |
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VIRAL DISEASE OF THE NERVOUS SYSTEM
(place marker) |
Polio
Rabies |
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Polio
cause result |
Caused by polio virus
May result in paralysis |
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Rabies
cause result fatality |
Caused by rabies virus
Results in acute encephalitis Nearly 100% fatal |
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FUNGAL DISEASES OF THE NERVOUS SYSTEM
(place marker) |
Fungal meningitis
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Fungal meningitis
cause associated with |
Caused by Cryptococcus neoformans (yeast)
Associated with chicken excrement |
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PROTOZAN DISEASES OF THE NERVOUS SYSTEM (place marker)
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Nagleria fowleri
African sleeping sickness |
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Nagleria fowleri
point of invasion fatality |
Invades brain from nasal mucosa
Nearly 100% fatal |
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African sleeping sickness
cause vector what is it? |
Caused by Trypanosoma brucei
Transmitted by tsetse fly Blood flagellates, transmitted by bug bites |