Which of the following is the most effective way to reduce the number of nosocomial infections? handwashing
What is the role of epidemiology? To learn how to treat and prevent various diseases.
Which of the following types of diseases develops rapidly and only lasts a short time? acute disease
T...
MCB 100 Exam 3 Questions and
Complete Solutions
Which of the following is the most effective way to reduce the number of nosocomial
infections? ✅handwashing
What is the role of epidemiology? ✅To learn how to treat and prevent various
diseases.
Which of the following types of diseases develops rapidly and only lasts a short time?
✅acute disease
The viral pathogen that causes cold sores can remain inactive in the body for a long
time between disease outbreaks. How is this disease classified? ✅It is a latent
disease.
A young man dies after eating improperly stored food, resulting in
(indirect/vehicle/vector) transmission. ✅vehicle
In early spring 2009, the CDC reported several dozen cases of novel H1N1 influenza
("swine flu") in the United States. By the end of the year millions of people had been
infected. The pattern of novel H1N1 cases in the United States represents a(n)
________ disease. ✅epidemic
Expected prevalence of a disease is ✅the expected occurrence of a disease based on
past observations.
If a disease occurs at a fairly stable rate, it is said to be ✅endemic
Which of the following would be considered a fomite? ✅an infected toy
Which of the following would be considered a vector? ✅A fly carrying disease from
fecal matter to food
When aerosols containing pathogens spread disease from a distance of less than one
meter, it is considered ✅contact transmission.
Which of the following is considered a major category of transmission of disease?
✅Which of the following is considered a major category of transmission of disease?
Which is an example of vehicle disease transmission? ✅The presence of Listeria on
undercooked chicken served for dinner
, People who wash their hands frequently during cold season typically have fewer colds
than those who do not. This observation suggests cold viruses can be transmitted by
✅both direct contact and fomites.
What is the difference between the terms infection and disease? ✅Infection refers to
the invasion of a pathogen into the body, while disease means that the body's normal
function is disrupted.
Infectious diseases can be classified on the basis of ✅disease severity and duration,
organ system affected or type of microbe.
Microbial contamination always results in infection. ✅false
A patient contracted a disease just by being in the same room with an infected
individual for an extended period of time. Which of the following modes of disease
transmission is most applicable in this situation? ✅vehicle transmission
What is an example of a sign (as opposed to a symptom) of disease? ✅A rash
In the early years of microbiology, scientists often removed disease material from one
patient and introduced it into other individuals in an effort to understand what caused
the disease. According to Koch's postulates, what was the major flaw in their
experimental process? ✅They did not isolate pure cultures of the suspected infectious
agent.
What is an endemic disease? ✅A disease of which there are only a few scattered
cases in a population or geographical area
Which of the following is an example of vehicle transmission? ✅drinking contaminated
water
The degree to which a microbe is able to cause disease is known as its
(morbidity/virulence/toxicity). ✅virulence
A person is exposed to fungus and develops an infection. No one taking care of him/her
becomes ill, suggesting the infection is a ________ disease. ✅non-communicable
Fomites are ✅inanimate objects involved in the indirect contact transmission of
pathogens
In early 2014, West African countries began diagnosing and reporting cases of Ebola for
the first time in their history. This is an example of a(n) (endemic/epidemic/sporadic)
disease. ✅epidemic
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