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WorksheetsMicrobiology-examination test (retake)
Total questions: 50
Worksheet time: 50mins
The main component of the bacterial cell wall:
polysaccharides
proteins and proteids
lipids
lipoproteins
peptidoglycan
Staphylococci are microorganisms located:
in the form of a bunch of grapes
as a pair
isolated
in the form of packages of 8-16 cells or more
in the form of a chain
Select the last stage of fixed sampling:
fixation
drying
the preparation of glass
preparation of samples
stain
The phenomenon when the bacteriophage gives new properties to bacteria is called:
lysis
display
lysogenic transformation
lysogenization
The formation of plaques in cell culture is:
cytopathic effect
Salk color test
the phenomenon of hemadsorption
the Dulbecco phenomenon
the phenomenon of interference
What objects are not the objects of medical mycobiology research:
1. Water
2. soil
3. air
4. food products
5. feces
The coli-titer and coli-index are determined by:
the method of sedimentation
the method of membrane filters
titration method
the aspiration method
Intestinal dysbiosis:
quantitative and qualitative changes of escherichia coli in the intestine
quantitative and qualitative changes in the normal bacterial intestinal microflora
quantitative and qualitative changes of pathogenic microorganisms in the intestine
qualitative changes in the pure bacterial microflora of the intestine
Specify the positions characteristic of the normal microflora of the human body:
bacteria colonize all organs
there are sterile areas
the composition of the microbiocenosis is the same for people of different ages and different genders
differences in the composition of microbial communities are individual
To determine the sensitivity of microorganisms to antibiotics in laboratory practice, it is more often used:
1. the method of diffusion in agar using disks
2. the method of serial dilutions in a liquid nutrient medium
3. method of serial dilutions in solid culture medium
Sepsis is a:
1. the phase of pathogenesis of infectious diseases, during which bacteria enter the blood
2. the phase of pathogenesis of infectious diseases, during which viruses enter the blood
3. generalized disease, during which the pathogen is located and reproduced in the blood
Nutrient medium for the study of the biochemical properties of microorganisms:
yolk-salt agar
Endo nutrient medium
Kitt-Tarozzi medium
Kligler's nutrient medium
Zeissler's nutrient medium
Selective medium for staphylococci:
yolk-salt agar
Endo nutrient medium
medium Kitt-Tarozzi
Kligler's nutrient medium
Ploskirev nutrient medium
Differential diagnostic nutrient medium for enterobacteria:
yolk-salt agar
medium Kitt-Tarozzi
Kligler's nutrient medium
Ploskirev nutrient medium
Gruber's reaction is:
the reaction of precipitation
the reaction of indirect hemagglutination
complement binding reaction
agglutination reaction
The positive reaction of the complement fixation is manifested:
1. uniform opacity
2. formation of the precipitate
3. hemolysis
4. delayed hemolysis
The chromogenic substrate is an integral part of:
the precipitation reaction
the reaction of indirect hemagglutination
the reaction of complement fixation
enzyme-linked immunosorbent assay
To detect the anthrax antigen, use:
the precipitation reaction
the reaction of indirect hemagglutination
the reaction of complement fixation
enzyme-linked immunosorbent assay
Pathogens of purulent and septic infections, all except:
Bacteroides
Clostridium
Staphylococci
Streptococci
Choose a medium for Streptococci:
blood agar
yolk-salt agar
meat-peptone broth
Endo nutrient medium
In the diagnosis of purulent and septic infections, it is used for facultative anaerobes:
thioglycolic medium
meat broth
sugar broth
two-phase nutrient medium
The presence of bacteria in the blood, this is:
bacteremia
meningitis
sepsis
arthritis
The positive reaction of indirect hemagglutination manifests itself in the form of:
opacities
umbrella
buttons
sediment
Complement for the complement fixation reaction is obtained from:
bacterial strains
plants
animals
fungus
The basis of microbiological diagnosis of botulism is:
determination of specific antibodies
highlight a clean culture
detection of sensitization of the body
determination of botulinum toxins in the test material
detection of characteristic sticks in the test material
The mechanism of the pathogenesis of tetanus:
endotoxic shock
the tissue necrosis
pyosepticemia
spastic paralysis of the striated muscles
sepsis
For the specific treatment of tetanus, use:
antitoxic serum
vancomycin
antibiotics (B-lactam antibiotics)
toxoid
homeopathic doses of exotoxin
Main causative agent of gangrene anaerobic gas:
C. perfringens
C. noviy
C. septicum
C. histolyticum
C. sporogenes
The basis for the prevention of pseudomembranous colitis is:
diet
homeopathy
vaccination
rational antibacterial therapy
Salmonella forms black colonies on the:
Agar Endo
bismuth-salt agar
Agar Levina
yolk-salt agar
During the incubation period, S. typhi reproduces:
in the intestinal epithelium
in hepatocytes
in the small intestine
in the macrophages of Peyer's plaques
In the bacteriological diagnosis of typhoid fever in the first week of the disease, the following is studied::
urine
cerebrospinal fluid
blood
bile
Where is the pathological process localized in shigellosis?
small intestine
the large intestine
stomach
parenchymal organs
mediastinal lymph nodes
That is not being used for the treatment of shigellosis?
neutralized the vaccine
antibiotics
probiotics
specific bacteriophage
What colonies form shigella on the Endo medium?
yellow
red
colorless
lactose positive
What are the features of Escherichia coli:
gram-positive coloration
gram-negative coloration
formation of disputes
optional anaerobic
38. What is the serotyping of enterobacteria used for?
agglutination reaction on glass
the reaction of precipitation
immunofluorescence method
Enzyme immunoassay (ELISA)
in vitro agglutination reaction
What substrates can not be divided into vibrio Heiberg groups?
glucose
mannose
arabinose
sucrose
What are the Escherichia that cause a disease similar to cholera?
enteropathogenic E. coli
enteroinvasive E. coli
enterotoxigenic E. coli
enterohaemorrhagic E. coli
enteroaggregative E. coli
What materials are used for bacteriological analysis for cholera?
feces
gastric lavage water
urine
liquor store
What can be compared to the colonies of the causative agent of the plague on a dense nutrient medium?
lion's mane
2. lace handkerchiefs
daisies
fried eggs
Who is the carrier of the pathogen of the plague?
gamasoidea mites
mosquitoes
fleas
lice
ixodic ticks
What is true for tularemia?
primary affect does not manifest
rash in the form of roseola
primary affect manifests itself
asymptomatic course
What are the features of micobactéries:
mobility
durability in the external environment
entering the body sexually
penetration through undamaged skin
For the staining of corynebacteria, the method is used:
Burri-Ginza
Romanovsky-Giemsa
Neisser painting
Ziel-Nielsen coloring
The Mantoux reaction is used for:
determining the need for revaccination
determination of antibiotic sensitivity
identification of mycobacteria
What antibiotics are not effective against mycoplasmas?
inhibitors of peptidoglycan synthesis
inhibitors of protein synthesis
inhibitors of nucleic acid synthesis
inhibitors of plasma membrane synthesis
What complications do not cause mycoplasmosis?
complication during childbirth
abortions
congenital heart defects
underdevelopment of the fetus
The feature of the elementary bodies of chlamydia?
thin cell wall
metabolic activity
metabolically inactive
the possibility of division
Pathogenic spirochetes differ from each other by certain morphological features, name one.
presence of spores
the number of flagella
number of curl
availability of the capsule
the location is typical in the smear
