Scientists involved in ____________ study the complex interactions of protective substances and cells produced in response to microbial infection. correct answers Immunology
The intentional use of microbes to break down pollutants, garbage, etc. is called correct answers Bioremediation
The re...
MBI 111 EXAM 1 || WITH ACCURATE ANSWERS 100%.
Scientists involved in ____________ study the complex interactions of protective substances and
cells produced in response to microbial infection. correct answers Immunology
The intentional use of microbes to break down pollutants, garbage, etc. is called correct answers
Bioremediation
The relationship between a microbe and the host where both organisms benefit is called correct
answers Mutualism
Which of the following infectious diseases rank in the worldwide top 10 causes of death? correct
answers Influenza and pneumonia, diarrheal diseases, and tuberculosis
Infants acquire their normal microbiota correct answers From contact with people who care for
them
During birth
Locations in the body that are thought to be sterile (contain no normal microbiota) include all of
the following EXCEPT the correct answers Gastrointestinal tract
A characteristic that assists a microbe in causing disease is called correct answers A virulence
factor
Indirect damage to a host organism can be caused by that host's excessive, inappropriate immune
response. Such excessive, inappropriate immune responses can be triggered by bacterial correct
answers Superantigens and endotoxin (lipid A)
Cholera toxin is an example of a bacterial exotoxin. The end result of the action of cholera toxin
is correct answers Severe diarrhea
Bacteria that have capsules on their surfaces correct answers Resist being engulfed by immune
system cells
An infection that exists with no symptoms of disease is called a correct answers Subclinical
infection
A patient first begins to notice symptoms of an infectious disease during the correct answers
Prodromal stage
TRUE statements concerning reservoirs of infection include correct answers Animals can serve
as reservoirs
Humans can serve as reservoirs
The main emphasis of epidemiology is correct answers Disease prevention and control
, Infectious microbes expelled from the body during a sneeze can be transmitted to others by
correct answers Airborne transmission
Transmission by droplets
Disease-transmitting VEHICLES include all of the following EXCEPT correct answers mice
Yersinia pestis bacteria are the cause of bubonic, septicemic, and pneumonic plague. These
bacteria can be transmitted to humans by correct answers Rat flea bites
Airborne transmission
Although he eventually discovered microbes, Antonie van Leeuwenhoek originally developed
microscopes so he could examine correct answers fabric
Which development in disease prevention is attributed to Edward Jenner? correct answers
Vaccination to prevent smallpox
Leprosy causes damage to the correct answers nerves and skin
The "overcoat" can best be described as a correct answers Crude condom meant to prevent
syphilis
According to your textbook, which early scientist was the first to introduce aseptic techniques to
prevent wound infections in medical settings? correct answers Joseph Lister
According to your textbook, ACAM 2000 is a new vaccine against ___________ that is
currently given only to military personnel. correct answers small pox
According to your textbook, between 1970 and 2010, the majority of human cases of plague in
the U.S. occurred in correct answers Arizona and New Mexico
True Pathogen correct answers Microbes capable of causing disease in healthy people with
normal immune defenses
Opportunistic Pathogens correct answers Microbes capable of causing disease when the host's
defenses are compromised or normal microbiota that causes disease after entering parts of the
body where they do not belong
Infectious Dose correct answers Minimum number of microbes required to cause an infection in
a host (ranges from one cell to billions of cells depending on microbial type)
Acute Infection correct answers An infection that develops quickly, with severe but short-lived
effects
Chronic Infection correct answers An infection that progresses and persists over a long period of
time
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