microbial disease of nervous system Flashcards
What in Meningitus?
The inflammation of the meninges.
What is Encephalitis?
The inflammation of the brain.
What are the causes of meningitis?
Viruses, fungi, bacteria, and protozoa
What is the most common form of meningitis?
Viral Meningitis
Initial Symptoms of meningitis?
fever, headaches, stiff neck
More symptoms of meningitis?
Nausea and vomiting
Severe outcomes of meningitis after some time?
Convulsions and coma
What can cause death from shock and inflammation when having meningitis?
Endotoxins being Gram Negative or release of cell wall fragments
How is bacterial meningitis treated?
Antibiotics
How does someone get Haemophilus influenzae ( how is it pathogenic?)
It enters the bloodstream, pathogenic due to capsules that avoid immune systems
Who gets Haemophilus influenzae more? How is it prevented?
Kids under 6 months and with the Hib Vaccines
How does one get Neisseria meningitidis? How is it transmitted?
Capsule overrise immune system; transmitted by aerosols or direct contact
Symptoms of Neisseria meningitidis?
Begins with throat rash, infection and bacterium. Can die within hours.
Treatment and vaccination for Neisseria meningitidis
Antibiotics and only some types can be treated with a vaccine
Streptococcus pneumoniae causes
70% of people carry nasopharyngeal carriers which causes it,
Who is Streptococcus pneumoniae most common in
Children between 1 month and 4 YRS
How is Streptococcus pneumoniae prevented?
A conjugate vaccine
What causes Listeriosis
Caused by Listeria monocytogenes; foodborne
Who usually gets Listeriosis?
People who are immunocompromised
Symptoms of Listeriosis
Invades bloodstream, can cause sepsis and problems during pregnancy
How is Listeriosis prevented
Antibiotics - penicillan
Causes of Tetanus
Untreated deep wounds in anaerobic conditions
Process of Tetanus or symptoms
Enters Central nervous system, blocks relaxation pathways, causes muscle spasms and death caused by spasms of the respiratory muscles.
How is tetanus treated and prevented?
Antibiotics neutralize the toxins but prevented by Vaccines