Unit 3 Workplace Skills Flashcards
microorganisms that cannot live in the presence of oxygen
anaerobic
conditions for growth that most microorganisms like
warmth darkness moisture source of food
single celled organisms that multiply rapidly; classified by shape and arrangement
bacterian
non-living microscopic particles that attack healthy cells within living things.
viruses
inject their own DNA structure into healthy cells where new ones will grow
viruses
low form of plant life; grows in groups or colonies on other organisms
fungi
a microorganism that is living without causing harm
nonpathogenic
a lot of microorganisms live in harmony with the human body. others can infect the body and cause disease
pathogens
an organism from which another microorganism takes its nourishment; either lives on or within the organism
host
harbors or hosts a microorganism without self injury
carrier
microorganisms that usually live in a certain location of the body
normal flora
dot slit star
urinary -sterile reproductive- non sterile digestive-non sterile
microorganisms that live in the presence of oxygen
aerobic
two ways that pathogens cause disease
poisons (toxins)
allergic reaction
state of disease caused by the presence of pathogenic organisms in the body
infection
most common infection in the world
URI (upper respiratory infection)
for microorganisms to cause disease, several factors must be present. the is called the
the infectious process
the infectious process, or
chain of infection
the chain begins with the
pathogenic organism
the pathogenic organism, or ________, causes infection such as bacteria, viruses, fungi, and parasites.
infectious agent
the second link is an environment where the pathogen can survive
reservoir
the third link is how the microorganism leaves the reservoir
means of escape
the fourth link is how the microorganism moves from place to place (airborne, contaminated food, direct contact)
mode of transmission
the fifth link is how the microorganism enters the host (break in the skin, respiratory tract)
mode of entry
the last link is the condition of the new host
hosts susceptibility
time for infection to develop once the microorganism has enetered the host
incubation period