Quiz
Bacteriology 2
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Fragen in diesem Quiz (23)
1Which of the following describes an aerobe?
- Acannot grow without oxygen
- Bgrow under both aerobic and anaerobic conditions
- Conly grow in the absence of free oxygen
- Drequire oxygen in lower levels than present in atmosphere
- Erequire carbon dioxide for optimal growth
2Which of the following describes a facultative anaerobes?
- Acannot grow without oxygen
- Bonly grow in absence of free oxygen
- Crequire carbon dioxide for optimal growth
- Dgrow under both aerobic and anaerobic conditions
- Erequire oxygen in lower levels than present in the atmosphere
3Which of the following describes anaerobes?
- Arequire carbon dioxide for optimal growth
- Bgrow under both aerobic and anaerobic conditions
- Conly grow in absence of free oxygen
- Drequire oxygen in lower levels than present in atmosphere
- Ecannot grow without oxygen
4Which of the following describes microaerophiles?
- Aonly grow in absence of free oxygen
- Brequire carbon dioxide for optimal growth
- Ccannot grow without oxygen
- Drequire oxygen in lower levels than present in atmosphere
5Which of the following describes capnophiles?
- Acannot grow without oxygen
- Bonly grow in the absence of free oxygen
- Crequire carbon dioxide for optimal growth
- Drequire oxygen in lower levels than present in atmosphere
6Which of the following is a factor required for bacterial growth?
- Alight
- Btemperature
- Cnutrients
- DpH
- Eoxygen
7True/false: bacteria replicate by binary fusion
- ARichtig
- BFalsch
8True/false: generation time is the length of time required for a single bacterial cell to yield two daughter cells.
- ARichtig
- BFalsch
9Which of the following describes the lag phase of the bacterial growth curve?
- Acells multiply at maximum rate
- Bgrowth ceases and balances between slow multiplication and death rate
- Cincrease in cell size/active metabolism of cells but no division
- Dprogressive death of cells
10Which of the following is describes the exponential phase of the bacterial growth curve?
- Aincrease in cell size/active metabolism of cells but no division
- Bprogressive cell death
- Cgrowth ceases and balances between slow multiplication and death rate
- Dcells multiply at maximum rate
11Which of the following describes the maximal stationary phase of the bacterial growth curve?
- Acells multiply at maximum rate
- Bprogressive death of cells
- Cgrowth ceases and balances between slow multiplication and death rate
- Dincrease in cell size/active metabolism of cells but no division
12Which of the following describes the decline phase of the bacterial growth curve?
- Aincrease in cell size/active metabolism of cells but no division
- Bprogressive death of cells
- Ccells multiply at maximum rate
- Dgrowth ceases and balances between slow multiplication and death rate
13True/false: direct smear and counting chambers are the two main methods for counting bacteria
- ARichtig
- BFalsch
14True/false: a bacterial colony is an invisible mass of bacteria that originates from a single mother cell thus making the colony a clone of bacteria that are all genetically alike.
- ARichtig
- BFalsch
15True/false: classification of bacteria as evaluated by both genotypic, phylogenetic, and phenotypic properties
- ARichtig
- BFalsch
16Which of the following describes a symbiont relationship?
- Atwo organisms of different species in a relationship in which both benefit from it
- Borganisms of different species living together
- Crelationship between two species in which one obtains food or other benefits from the other without either harming or benefiting the latter
17Which of the following describes mutualism?
- Aorganisms of different species living together
- Brelation between two species in which one obtains food or other benefits from the other without either harming or benefiting the latter
- Ctwo organisms of different species in symbiotic relationship in which both benefit from it
18Which of the following describes commensalism?
- Arelation between two species in which one obtains food or other benefits from the other without either harming or benefiting the latter
- Borganisms of different species living together
- Ctwo organisms of different species in symbiotic relationship in which both benefit from it
19True/false: infection diseases represent complex interactions between host, environment, and pathogen.
- ARichtig
- BFalsch
20True/false: virulence is the relative capacity of a pathogen to benefit a host
- ARichtig
- BFalsch
21True/false: an infection always results in disease
- ARichtig
- BFalsch
22Which of the following is a characteristic of a pathogen?
- Aexpress genes that encode the factors causing disease
- Bevade or overcome normal host defenses
- Cfind an appropriate niche within a host
- Dcompete with normal microbiota to adhere to host tissues
23Which of the following is a characteristic of bacterial pathogenesis?
- Aacute systemic disease
- Bchronic disease
- Ctoxemia
- Dinflammation
- Elocal tissue damage
Informationen
- Beschreibung
- Exam 3 Microbiology Quiz am Bacteriology 2 , erstellt von Gabrielle Reece am 06/11/2020.
- Autor
- Gabrielle Reece
- Sprache
- English
- Aufrufe
- 5
- Schlagwörter
- Bewertung
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