chain Of Infection

Question 1

• The chain of infection refers to those elements that must be present to cause an infection from a
microorganism

Question 2

the microorganism must have a means of transmission to get from one location to another, called direct and indirect

Answer 2

Modes of transmission

Question 3

Microorganisms capable of causing infections (pathogens).

Answer 3

Infectious agent

Question 4

describes a host (human or animal) not possessing
enough resistance against a particular pathogen to prevent disease or infection from occurring when exposed to the pathogen

Answer 4

Susceptible host

Question 5

Means by which pathogens enter a host (e.g., gastrointestinal, respiratory, genitourinary tract).

Answer 5

Portal of entry

Question 6

Environment where microorganisms live (e.g., humans, animals, inanimate objects).

Answer 6

Reservoir

Question 7

Means by which pathogens escape from the reservoir (common routes include gastrointestinal, respiratory, and genitourinary tracts).

Answer 7

portal of exit