BACTE POST 3

BACTERIOLOGY

POST LESSON 3

Multiple Choice

Initial stain in Gram staining procedure.

• Carbol Fuchsin

• Crystal Violet

• Safranin

• Iodine

Multiple Choice

Acid fast staining hot method

• Ziehl- Neelsen Stain

• Best used to stain acid fast organisms in tissue

• Either

• Neither

Multiple Choice

Putrid odor

• Listeria monocytogenes

• Proteus mirabilis

• Pseudomonas aeruginosa

• Yersinia pestis

Multiple Choice

fruity or grape-like odor

• Listeria monocytogenes

• Proteus mirabilis

• Pseudomonas aeruginosa

• Yersinia pestis

Multiple Choice

Stalactite patterns in broth culture

• Listeria monocytogenes

• Proteus mirabilis

• Pseudomonas aeruginosa

• Yersinia pestis

Multiple Choice

Pinhead colonies in culture media

• Staphylococcus aureus

• Streptococcus pyogenes

• NOTA

Multiple Choice

Medusa head colonies

• Diphtheroids

• Pseudomonas aeruginosa

• Bacillus anthracis

• Actinomyces israelii

Multiple Choice

Molar tooth colonies

• Diphtheroids

• Pseudomonas aeruginosa

• Bacillus anthracis

• Actinomyces israelii

Multiple Choice

• Gram positive cocci in chains

• Gram positive cocci in clusters

• Gram negative cocci in chains

• Gram negative cocci in clusters

Multiple Choice

Transport Medium

• Cary- Blair

• TransGrow

• Either

• Neither

Multiple Choice

Enrichment Media

• Broth

• Liquid media

• Selenite F

• All of the above

Multiple Choice

Colony surrounded with an alpha zone and outer beta zone of hemolysis usually manifested by S. aureus after plate had been refrigerated

• Alpha hemolysis

• Beta hemolysis

• Gamma hemolysis

• Alpha prime hemolysis

Multiple Choice

Differentiate lactose fermenters (pink red colonies) from the non-lactose fermenters (colorless colonies)

• MANNITOL SALT AGAR

• MACCONKEY AGAR

• TCBS

Multiple Choice

Used in Antimicrobial susceptibility testing

• Mueller Hinton Agar (MHA)

• Mannitol Salt Agar

• Either

• Neither

Multiple Choice

Inhibits swarming of Proteus

• Vancomycin

• Colistin

• Trimethoprim Lactate

• Nystatin