Medical micro/immunity

Generate an image of a laboratory setting with microbiology equipment, petri dishes, and a scientist examining bacterial cultures under a microscope, showcasing themes of medical microbiology and immunity.

Test Your Microbiology Knowledge

Welcome to the Medical Microbiology and Immunity Quiz! This engaging quiz is designed for students and professionals alike who want to test their knowledge on foundational concepts in microbiology and immunology.

Here are some key features of the quiz:

Variety of multiple-choice questions
Assess your understanding of coliform bacteria, E. coli, and related pathogens
Ideal for preparing for exams or enhancing your knowledge

56 Questions14 MinutesCreated by TestingBacteria24

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

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

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

................. 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

What the name of infection, pathogen and scientific classification

............ Cause fungal infections of the skin

Dermatophyte

Microsporum

Trichophyton

All of them

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

What the name of these bacteria, Shape and arrangement under the microscobe ?

The petri have Pseudomonas aeruinosa

True

False

What the name of the followin yaest ?

Candida albicans

Candida tropicalis

Rhodotrela muciliginosa

Trichophyton rubrum

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

Medical micro/immunity

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