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ВходThe final test in microbiology (credit)
Список вопросов теста
Вопрос 1
The physiological period of the formation of microbiology as a science is associated with the name of:
Варианты ответов
- P. Ehrlich
- A. Levenhuk
- C. McCarty
- I.I. Mechnikov
- L. Pasteur
Вопрос 2
The founder of virology is:
Варианты ответов
- I.I. Mechnikov
- P. Ehrlich
- L. Pasteur
- R. Koch
- D.I. Ivanovsky
- M. Beijerink
Вопрос 3
The cell wall of bacteria has got the function of:
Варианты ответов
- protection against phagocytosis
- protection from adverse environmental factors
- respiration
- adhesion
- movement
Вопрос 4
Mesosomes of a bacterial cell perform the function of:
Варианты ответов
- protection against phagocytosis
- protection from adverse environmental factors
- respiration
- adhesion
- movement
Вопрос 5
The capsule of bacteria performs the function of:
Варианты ответов
- protection against phagocytosis
- protection from adverse environmental factors
- respiration
- shape maintaining
- adhesion
Вопрос 6
To detect the motor activity of bacteria, one can use the following type of microscopy:
Варианты ответов
- luminescent
- phase contrast
- immersive
- electronic
- light
Вопрос 7
Out of the microorganisms listed below, which one is gram-negative?
1) staphylococci
2) streptococci
3) bacillus anthracis
4) E. coli
Варианты ответов
- staphylococci
- streptococci
- bacillus anthracis
- E. coli
Вопрос 8
If you want to detect capsules, you can use the staining method by:
Варианты ответов
- Neisser
- Burry Guins
- Ziehl-Nielsen
- Gram
- Ozheshko
Вопрос 9
If you want to detect spores, you can use the staining method by:
1) Neisser
2) Burry Guins
3) Ziehl-Nielsen
4) Gram
5) Ozhesko
Варианты ответов
- Neisser
- Burry Guins
- Ziehl-Nielsen
- Gram
- Ozhesko
Вопрос 10
When using the Gram method, bacterial spores acquire:
Варианты ответов
- purple color
- red color
- are not stained
- blue color
- yellow color
Вопрос 11
When using the Neisser method, the volutin inclusions of diphtheria bacillus acquire:
Варианты ответов
- purple color
- red color
- are not stained
- deep blue color
- yellow color
Вопрос 12
The outer membrane, consisting of proteins, phospholipids and lipopolysaccharides and located on top of the murein layer, is found in:
Варианты ответов
- gram-positive bacteria
- protozoa
- gram-negative bacteria
- mushrooms
Вопрос 13
The rigidity of the cell wall in bacteria is due to the presence of ___ in its composition:
Варианты ответов
- proteins
- lipids
- teichoic acids
- peptidoglycan
- polysaccharides
Вопрос 14
The step of Gram staining technique, which allows to differentiate bacteria into gram-positive and gram-negative, is:
Варианты ответов
- staining with gentian violet
- treatment of the drug with Lugol's solution
- discoloration with alcohol
- fuchsin staining
- washing out the drug with water after staining with fuchsin
Вопрос 15
The differentiating factor in Endo and Levin media is:
Варианты ответов
- glucose
- lactose
- sucrose
- agar-agar
- bile
Вопрос 16
The consistency of culture media depends on the concentration of ___ in it:
Варианты ответов
- sodium chloride
- water
- agar-agar
- bile acids
- glucose
Вопрос 17
The following method is NOT used to isolate pure cultures of anaerobic microorganisms:
Варианты ответов
- physical
- chemical
- biological
- virological
Вопрос 18
The sign that is not characteristic of the growth of bacterial cultures in liquid nutrient media is:
Варианты ответов
- diffuse turbidity
- film formation
- clot formation
- precipitation
Вопрос 19
The formation of red colonies on Endo medium indicates the ability of this microorganism to:
Варианты ответов
- ferment glucose
- ferment lactose
- form indole
- form hydrogen sulfide
Вопрос 20
The differentiating factor in YSA is:
Варианты ответов
- bile salts
- 10% sodium chloride
- lactose
- lecithin
Вопрос 21
Nutrient media intended for a selective isolation of microorganisms of a certain species are called:
Варианты ответов
- elective
- general purpose media
- differential diagnostic
- special mediums
Вопрос 22
The complete destruction of the vegetative forms of microorganisms and their spores in various materials is called:
Варианты ответов
- disinfection
- microbial decontamination
- sterilization
- pasteurization
Вопрос 23
A system of measures to prevent microorganisms getting into human tissues or cavities from the medium during diagnostic or therapeutic measures is called:
Варианты ответов
- disinfection
- sterilization
- aseptic
- antiseptics
- microbial decontamination
Вопрос 24
For sterilization of simple nutrient media (MPB, MPA) a man can use:
Варианты ответов
- flowing steam
- autoclaving at 120 °С, 30 min
- tindalization
- pasteurization
- filtration through bacterial filters
Вопрос 25
A man can place ___ in an autoclave to control the effectiveness of sterilization using a chemical method:
Варианты ответов
- a thermometer with maximum grades
- bacterial spores
- spore-forming bacteria
- a substance with a known melting point
- gauze with its subsequent inoculation in a nutrient medium
Вопрос 26
To sterilize materials, you can use any of the following methods, except:
Варианты ответов
- flowing steam
- autoclaving
- pasteurization
- tindalization
- ignition
Вопрос 27
Antibiotics do not affect:
Варианты ответов
- bacteria
- spirochetes
- mycoplasmas
- chlamydia
- bacteriophages
Вопрос 28
The genetic mechanism for the development of antibiotic resistance is due to:
Варианты ответов
- the occurrence of R-plasmids in a bacterial cell
- lysogenization of bacterial cultures
- disorder of the permeability of the bacterial wall
- dissociation
Вопрос 29
Extra-chromosomal factors of bacterial heredity are:
Варианты ответов
- mitochondria
- plasmids
- intracellular inclusions
- ribosomes
- mesosomes
Вопрос 30
Transduction is the transfer of isolated genetic material:
Варианты ответов
- from a donor cell to a recipient cell
- from a donor cell to the recipient cell through the conjugative bridge
- from one bacterium to another through a moderate phage
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