Medical micro/immunity
1–10 MPN counts of E.coli per 100 ml of water is safe for drinking
True
False
E. Coli counts were determine using the most probable number method
True
False
Role of Durham tube is .............
Examined for gas production
Examined for acid production
None of them
Both of them
Confirmation of coliform bacteria was carried out by ...........
Change in color from pink to yellow
Gas production
Turbidity
All of these
E. Coli is charachtrized by it have centrally dark and flat colonies
True
False
Enumeration of coliform bacteria and Escherichia coli by membrane filtration technique
True
False
Enumeration of coliform bacteria and Escherichia coli by
Membrane filtration technique
Most probable number method
Colony forming unit
None of them
The number of colonies counted on the MLSA membrane filter incubated at 44 °C is regarded as the number of presumptive coliform bacteria.
True
False
Some organisms that are found in water may conform to the definition of coliform bacteria
True
False
Organisms that areconform to the definition of coliform bacteria can be distinguished by ..........
Indole test
Fermentation test
Oxidase reaction.
All of them
............. Medium is recommended for the isolation of Shigella
Salmonella Shigella Agar
MacConkey Agar
Eosin Methylene Blue Agar
Baird-Parker Agar
Salmonella will ferment lactose in SS agar
True
False
Shigella can't ferment lactose or produce hydrogen sulfide gas
True
False
Result on SS agar is pink color for ............... , yellow or colorlees for ................, black color for .........
Salmonella, shigella, E.coli
E.coli, salmonella, shigella
E.coli, shigella, salmonella
Shigella, E.coli, shigella
For isolation of gram-negative rods enteric bacteria we use MacConkey agar
True
False
Eosin Methylene Blue Agar is a differential medium used for the isolation of gram-negative cocci
True
False
Baird-Parker Agar used for the enumeration of Staphylococcus aureus
True
False
............... Have inhibitory action against organisms other than S. aureus
Bile Salts, Brilliant Green
Glycine and lithium chloride
Crystal violet
Eosin and methylene blue
Sodium pyruvate stimulates the growth of S. Aureus and destroies the selectivity of the medium
True
False
Non-fastidious organisms are pathogens that are more difficult to grow
True
False
Anti streptolysin O titer is a stool test
True
False
Post-streptococcal complications include .................
Endocarditis
Glomerulonephritis
Rheumatic fever
All of them
Rhodotrela muciliginosa have a ........... Color on HiCrome differential agar
Green
Purble
Yellow
Rose
EDTA prevent blood clotting
True
False
Colonyies of fungi was counted by ............. methods
Membrane filtration technique
Colony forming unit
Most probable number method
All of them
Macroconidia may be absent in tricophyton
True
False
Which of the following is short-rods shape under the microscope
Escherichia coli
Yersinia pestis
Pseudomonas aeruginosa
All of them
The color of Pseudomonas aeruginosa on Nutrient Agar is ...........
Yellow
Red
Green
Pink
........... Can cause plague disease
E.coli
Yersinia pestis
Bacillus anthracis
Pseudomonas putida
![](http://www.quiz-maker.com/3012/CDN/89-4338199/screenshot-2023-05-15-014139.png?sz=800-00000008021000005300)
Write the name of the following disease, the pathogen that cause
Plague, anthrax
Plague, Yersinia pestis
Ringworm, Microsporum
Ringworm, anthrax
The antibody recognizes a unique molecule of the pathogen, called
Immunoglobulin
Antigen
Both of them
None of them
Antibodies are soluble in blood and tissue fluids
True
False
ELISA stands for Enzyme-Linked immunoglobulin Assay.
True
False
Nonreacting protein include ..........
Bovine serum
Casein
Albumin
All
The higher the concentration of the primary antibody present in the serum, the lower the color change.
True
False
Spectrometer is used to give qualtitative values for color strength.
True
False
In ............ ELISA test, three antibodies are used
Direct
Indirect
Sandwich
B and c
Polystyrene microtiter plate have ............ wells
69
97
96
196
............... Technique was performed for antimicrobial evaluation
MPN
Disk diffusion bioassay
Pour plate method
None
In Antimicrobial activity test, bacterial strains were spread on ...............
Czapek,s plates
Sabouraud Dextrose plates
Muller Hinton broth
None
CIP is symbole for .......... antibiotic
Amoxcillin
Erythromycin
Gentamycin
Ciprofloxacin
Polymyxin have a ........... As a symbole
GM
K
PM
PB
................. Medium used to culture pathogens that are more difficult to grow
Baird-Parker Agar
Eosin Methylene Blue Agar
Blood Agar
MacConkey Agar
Baird-Parker Agar used to enumeration of Staphylococcus aureus
True
False
All of these have an inhibitory action except .............
Glycine and lithium chloride
Sodium pyruvate
Eosin and Methylene Blue
Crystal violet and bile salts
Blood Agar used for isolation of enteric bacteria
True
False
Penicillium marneffei is a pathogen in AIDS patients
True
False
![](http://www.quiz-maker.com/3012/CDN/89-4344624/shutterstock-1922226149-h1.jpg?sz=800-00000016630581305300)
What the name of infection, pathogen and scientific classification
............ Cause fungal infections of the skin
Dermatophyte
Microsporum
Trichophyton
All of them
![](http://www.quiz-maker.com/3012/CDN/89-4344626/human-tongue-infected-with-oral-candidiasis.jpg?sz=800-00000012501000005300)
These infection caused by .........
Stachybotrys chartarum
Candida albicans
Microsporum canis
Trichophyton rubrum
.............. Is an indicator in the MacConkey agar
Methylene blue
Crystal violet
Neutral red
Phenol red
Blood agar can be made selective for certain pathogens by the addition of chemicals
True
False
![](http://www.quiz-maker.com/3012/CDN/89-4346996/screenshot-2023-05-19-121532.png?sz=800)
What the name of these bacteria, Shape and arrangement under the microscobe ?
![](http://www.quiz-maker.com/3012/CDN/89-4347034/screenshot-2023-05-19-123256.png?sz=800)
The petri have Pseudomonas aeruinosa
True
False
![](http://www.quiz-maker.com/3012/CDN/89-4347041/screenshot-2023-05-19-123655.png?sz=800)
What the name of the followin yaest ?
Candida albicans
Candida tropicalis
Rhodotrela muciliginosa
Trichophyton rubrum
![](http://www.quiz-maker.com/3012/CDN/89-4347045/screenshot-2023-05-19-123643.png?sz=800-00000000001000005300)
These is a HiCrome medium, the name of yest that grow is ......... , if the color is green, the yeast is .......
Candida albicans,rhodotrela muciliginosa
Rhodotrela muciliginosa,Candida albicans
Candida albicans, Candida krusei
Rhodotrela muciliginosa, Candida krusei
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