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Micro Chapter 26
Terms in this set (31)
Central Nervous System (CNS)
Brain and Spinal Cord
Peripheral Nervous System (PNS)
Nerves and Ganglia
Cerebrospinal Fluid (CSF)
Produced in ventricles in the brain and flows out over the brain and spinal cord.
Membranes that cover the brain and spinal cord.
Infectious agents often reach the CNS through the bloodstream by penetrating this.....
Bacteria infecting the membranes surrounding the brain.
Streptococcus pneumoniae (pneumococcus)
Causes Pneumococcal Meningitis
Symptoms of Pneumococcal Meningitis
Cold symptoms followed by abrupt onset of fever, severe headache, pain and stiffness of the neck and back, nausea and vomiting.
Causes Meningococcal meningitis
Symptoms of Meningococcal Meningitis
small hemorrhages in the skin, deafness, and coma. Shock results from the release of endotoxin into the bloodstream.
Which form of meningitis is most common among college students?
Haemophilus influenzae Meningitis
Is largely sporadic and mostly controlled by a vaccine
A non-spore-forming, Gram-positive rod, usually associated with foodborne illness.
How does Listeria monocytogenes attack the host?
The bacteria penetrates the gastrointestinal mucus membranes, enter the bloodstream, and infect the meninges.
Leprosy occurs in 2 main forms.....
Tuberculoid and Lepromatous (depends on the immune status of the individual)
Causes severe paralysis.
How does Botulism survive?
By forming heat-resistant endospores the can survive canning, or other heat treatment of food.
Which form of meningitis is more common, viral or bacterial?
Cause Viral Encephalitis
Destruction of motor nerve cells of the brain and spinal cord leads to paralysis, muscle wasting, and failure of normal bone development.
Infection beginning in the lungs after inhaling spores.
Cryptococcus neoformans or Cryptococcus gattii
Encapsulated yeasts the resist phagocytosis.
C. neoformans infect.....
C. gattii infect.....
Causes african sleeping sickness.
How is Trypanosoma brucei transmitted
By the tsetse fly
Causes Primary Amebic Meningoencephalitis (PAM) after swimming in warm, fresh water.
Misfolded proteins. Resistant to heat, radiation, and disinfectants.
Spongelike appearance of brain tissue caused by loss of nerve cells.
Transmissible Spongiform Encephalopathies (TSEs)
Mad cow disease, Creutzfeldt-Jakob disease (CJD), and variant Creutzfeldt-Jacob disease (vCJD). Transmitted to humans from infected meat.
THIS SET IS OFTEN IN FOLDERS WITH...
Micro Chapter 25
Micro Chapters 19 & 4
Micro Chapters 5 & 8
Micro Chapter 1 Quiz
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