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SCT2 Systems Infectious Disease > Terminology > Flashcards

Flashcards in Terminology Deck (12):
1

What is the invasion of the human body by pathogenic microorganisms known as?

INFECTIOUS DISEASE

2

What is the term for organisms so small they are invisible to the naked eye and can only be seen with a microscope?

MICROORGANISMS
aka
MICROBE

3

TRUE or FALSE
Microorganisms can be pathogens or non-pathogens.

TRUE

4

What is the term for the presence and multiplication within a host of another living organism with subsequent injury to the host?

INFECTION

5

What is the term for the ability of an organism to enter, multiply, and survive in a host?

INFECTIVITY

6

What is the term for any organism capable of supporting the nutritional and physical growth req of another organism?

HOST
(human in the case of our class)

7

What is the term for the act of establishing a presence within a host?

COLONIZATION

8

What is the term for the disease producing potential of an invading organism?

VIRULENCE

9

What is the term for an organism so virulent that it is rarely found in the absence of disease?

PATHOGEN

10

What is the term for a multitude of non harmful bacteria inhabiting the internal and external exposed surfaces of the human body?

MICROFLORA

11

What is the term for free living organisms that obtain nutrition from dead or decaying organic materials in the environment?

SAPROPHYTES

12

What is the term for an organism which produces an infectious disease only when the health and immunity of the host have been severely compromised?

OPPORTUNISTIC PATHOGEN