question
Which of the following microorganisms is a grape-like cluster?
answer
Staphylococci
question
Which of the following organisms requires a vector?
answer
Rickettsia
question
Bacteria that are permanent and beneficial residents in the human body are called
answer
Normal flora
question
The smallest organisms are called
answer
Viruses
question
If a virus has a bacterial host, it is called
answer
A bacteriophage
question
Any close relationship that exists between two different species is known as
answer
Symbiosis
question
All of the following factors may influence the cycle involved in the spread of infectious disease except
answer
Interferons
question
The degree to which an microorganism is pathogenic is known as
answer
Virulence
question
Which of the following is not true of the Gram's staining procedure?
answer
It works for all bacteria
question
Spiral-shaped bacteria are called
answer
Spirilla
question
Streptococci appear in
answer
Chains of cocci
question
The bacterium Escherichia coli can cause
answer
Urinary infections
question
A carrier of causative organisms that can transmit diseases to noninfected individuals is called a
answer
Vector
question
Which of the following words is misspelled?
answer
Myecobacteria
question
Bacteria of the genus Clostridium are the most frequent producers of:
answer
exotoxins
question
What organism uses light as a source of energy?
answer
phototrophs
question
What process uses energy of light to produce organic molecules?
answer
photosynthesis
question
What is the study of pathogens and the disease process?
answer
medical microbiology
question
What disease can be contacted by a vector?
answer
encephalitis
question
Skin infections are mostly caused by what organism?
answer
Staphylococcus aureus
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