Potential Essay Questions exam 1
Describe how we define a microbe, and explain why the definition can be a
challenge.
organism that causes disease
To see them we use a miscrope, the definition can be challenge because not all microbes are
small
Explain Koch’s Postulates & how they relate to germ theory of disease
Koch’s Postulates states that a microbe is found in all cases of the disease but is
absent from healthy individuals
Specific diseases are caused by microscopic germs
Trying to support the germ theory
Explain how the use of DNA info has transformed microbiology
DNA info is an essential factor because it helps in the development of new
vaccines,diagnostic tests, etc
Describe the fundamental attributes of a successful pathogen
Must attach to host, avoid host immune system , replicate & steal nutrients from host,
exit & go to another uninflected one
-
Describe the 5 stages of an infection
Incubation : time from exposure to an infectious agent
Prodromal : nonspecific symptoms- fever, low grade fever
Illness : shows apparent symptoms of an infectious disease
Stade of decline :immune systems fights back, decrease of infectious particles
Convalescence :symptoms resolve, return to normal state
Describe how we define a microbe, and explain why the definition can be a
challenge.
organism that causes disease
To see them we use a miscrope, the definition can be challenge because not all microbes are
small
Explain Koch’s Postulates & how they relate to germ theory of disease
Koch’s Postulates states that a microbe is found in all cases of the disease but is
absent from healthy individuals
Specific diseases are caused by microscopic germs
Trying to support the germ theory
Explain how the use of DNA info has transformed microbiology
DNA info is an essential factor because it helps in the development of new
vaccines,diagnostic tests, etc
Describe the fundamental attributes of a successful pathogen
Must attach to host, avoid host immune system , replicate & steal nutrients from host,
exit & go to another uninflected one
-
Describe the 5 stages of an infection
Incubation : time from exposure to an infectious agent
Prodromal : nonspecific symptoms- fever, low grade fever
Illness : shows apparent symptoms of an infectious disease
Stade of decline :immune systems fights back, decrease of infectious particles
Convalescence :symptoms resolve, return to normal state
