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Tute 1
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Questions in this quiz (22)
1Opportunists are microorganisms that
- Aa. always cause disease.
- Bb. cause disease when the proper condition arises.
- Cc. constantly produce beneficial effects in the host.
- Dd. never cause disease.
2Give an example of an opportunists microorganisms.
- ATrue
- BFalse
32. A species of bacterium lives on the surface of the human skin. It does not help or
harm the human host. However, it gains a habitat. This symbiotic relationship is? Give an example.- Aa. commensalism.
- Bb. mutualism.
- Cc. parasitism.
- Dd. predation.
4By microbial antagonism, one microbe
- Aa. destroy antibiotics.
- Bb. produce acids.
- Cc. stick to surfaces.
- Dd. transport substances.
55. In clinical medicine the term "parasite" refers to each of the following except
- Aa. bacterium.
- Bb. insect.
- Cc. protozoan.
- Dd. worm.
66. Through opportunism among microbes,
- Aa. commensals change to mutualistic species.
- Bb. commensals change to pathogens.
- Cc. mutualistic species change to commensals.
- Dd. parasites change to commensals.
7Select the disease has not occurred as an epidemic.
- Aa. cholera
- Bb. diphtheria
- Cc. polio
- Dd. Tetanus
8Koch's postulates don't apply to all diseases because
- Aa. Some microorganisms don't cause the same disease in laboratory animals.
- Bb. Some microorganisms can't be observed.
- Cc. Some microorganisms can't be cultured in laboratory media.
- Dd. All of the above.
9The major significance of Koch's work was that:
- A
a. Diseases can be transmitted from one animal to another. - Bb. Microorganisms are the result of disease.
- Cc. Microorganisms can be cultured.
- Dd. Microorganisms cause disease.
- A
10Which of the following definitions is INCORRECT?
- Aa. Pathogen: A microorganism that disrupts the state of individual's health
- Bb. Virulence: The intensity of the disease produced by a pathogen
- Cc. Infection: Multiplication of any parasitic organism within or on the host body
- Dd. Pathogenicity: The way a pathogen produces disease
11Define Virulence
- ATrue
- BFalse
12 Which of the following is a reservoir of infection?
- AA hospital
- B A healthy person
- CA sick animal
- DAll of the above
13 Symptoms of disease differ from signs of disease in that symptoms
- A
a. are changes felt by the patient - Bb. are changes observed by the physician
- Cc. are specific for a particular disease
- Dd. always occur as part of a syndrome
- A
14Transient flora tend to persist as populations in the human body
- ATrue
- BFalse
15Candida albicans can become an opportunist in the human body during antibiotic therapy?
- ATrue
- BFalse
16Tetanus is a communicable disease.
- ATrue
- BFalse
17The microorganisms that colonize different parts of the body and establish permanent
residence are called microbiota.- ATrue
- BFalse
18The term _____________ generally refers to organisms living together
- ASymbiosis
- BMutualism
19Define Pathogenicity
- APathogenicity is the potential capacity of certain species of microbes or viruses to cause a disease.
- BThe process of how diseases are produced.
20 Lack of pili on E. coli cells prevents these cells from _____________ to cell surfaces.
- AMovement
- BAdhering
21Describe the phenomenon of microbial antagonism (also known as competitive
exclusion)- ATrue
- BFalse
22Once the microbe overcomes the host defences, development of the disease follows a Series of events.
- A
- BOther
- A
Information
- Description
- University Medical Microbiology Quiz on Tute 1, created by Leah MacDonald on 15/08/2014.
- Author
- Leah MacDonald
- Language
- English
- Views
- 9
- History
- Created on 15 Aug 2014 · updated on 19 Feb 2016
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