Unit 6 Test Review Flashcards
What term refers to living organisms that are too small to be seen with the naked eye?
microorganisms
People with diseases tend to congregate in medical settings, creating an environment where _____ are likely to be passed from one person to another.
infections
_______ are a way to bolster immunity to certain diseases and are especially recommended for children and the elderly or others who are more vulnerable to infection.
immunizations
What do the normal flora that exist in our intestinal tract help us to do?
digest our food, make important nutrients for our bodies, and crowd out harmful organisms
What term refers to microorganisms that exist in and on animals and humans without causing disease?
normal flora
What term refers to a place where pathogens survive and multiply?
reservoir
Microorganisms can come in different types, with the MOST common being:
bacteria, viruses, and fungi
What do we call people who can harbor pathogens in their bodies while their body’s defenses keep them from getting ill?
carriers
The human body, animals, and insects are what kind of reservoirs for disease?
living reservoirs
Pathogens go through a process that involves a series of events that need to happen for infections to spread, also referred to as a:
chain of infection
How should we cook foods in order to kill microorganisms and prevent their growth?
high temperatures or add salt
Pathogens that can harm humans prefer what approximate temperature?
95 degrees fahrenheit
In a chain of infection, what is the first link in the chain?
agent itself, which can be any type of microorganism that can cause disease
Microorganisms that need oxygen to survive are called what?
aerobic organisms
What is the MOST frequent portal of exit for human or animal reservoirs?
bodily fluids
Sanjay is running a fever, which means that the temperature of his body has increased to create what kind of environment for the infection that he is trying to fight off?
moist environment
What pathogen transmission method involves infectious organisms floating through the air and traveling in heating and cooling systems?
airborne transmission