Chap 14 infection Flashcards
What is normal microbiota
Microbes that colonize the surfaces of the body without causing disease
What are types of symbiosis?
Microorganism stay live together in different types of relationships
What is mutualism?
When both members in a relationship benefit from their interaction
What is an example of commensalism?
When one member of the relationship benefits without really affecting the other
What is parasitism?
When a parasite derives benefit from the host and harms the host as well
What are opportunistic pathogens?
Conditions that can create opportunities for pathogens to flourish
Sites where pathogens are maintained as a source of infection are…
Reservoirs of infection
Contamination is…
When there is a mere presence of microbes on or in the body
An infection is when…..
The pathogen successfully multiples even in the presence of the body’s defenses
Name the 3 portals of entry for infection
Skin, mucous membranes, and placenta
Parenteral-is a means in which the skin barrier can be broken
Disease is…
When injury interferes with the normal functioning of the body
Symptoms are…
Subjective characteristics of a disease that only the patient feels
Signs are…
Objective manifestations of a disease that can be measured or observed
Syndrome is…..
A group of signs and symptoms that share mutual feature of a certain disease or abnormal condition
Pathogenicity
Is a microorganism that caused disease