Pathogenicity and Epidemiology Flashcards
How did the foundation of epidemiology started?
When John Snow discover the action of Cholera
What is Epidemiology in your own words?
A study to the occurence and prevention of infection disease.
Pathogenicity refers to?
the ability to caused disease
Give me 3 reasons why infection may not take place?
- Microbe antagonism
-Health and Immunity of the host - Unsupportive site for growth
What is the most common microflora of the skin?
- Staphylococcus
- Corynebacterium
- Propionibacterium
What parts of the ear is usually sterile?
Middle and inner ear
Upper respiratory tract mostly consist of?
Opportunistic microbes
What is the common indigenous microflora of the mouth?
Alpha-hemolytic streptococci
Causes plaque in the mouth?
Streptococci mutans
Contains the largest variety of microbes?
Colon
What expels microbes from cervix to vagina?
Cilia and mucus
What is cilia
A part of a cell that is involved in locomotion.
What is microbial antagonism?
What is mutualism?
What is commensalism?
What is symbiosis?
What is meningitis?
An inflammation in the protective membrane of the brain and spinal cord
Where does Neisseria meningitidis normally resides?
Respiratory tract
Where does streptococcus pneumoniae normally resides?
Nose and throat
Give me 3 phrases that describes the Koch’s postulates
- isolated suspected microbes
- purely cultured and inoculated in a healthy animal
- must be the same to the original
this is the period where the patient would start to feel sick?
Prodromal period
this is the period where the patient would fully regain its strength?
Convalescence period
What is the other word for reservoir?
Carrier
What is chronic carrier?
a carrier that would eventually possess symptoms
