Which one of the following methods of antimicrobial susceptibility testing requires a dilution series of the antibiotic and can provide a minimum inhibitory concentration? Select one: a. Disk diffusion method b. Broth microdilution method c. Agar macrodilution method d. Gradient diffusion method

A factor in the zone of inhibition size on the Kirby-Bauer plate is: a. amount of medium placed on the plate b. rate of diffusion of the drug used c. stage of growth of the microbe placed on the plate d. all of these

An inoculating loop must be flamed to uniform orange-hot from base to tip   A. after culture is transferred to the wire loop but before transfer to new media   B. before culture is transferred to the wire loop and after culture is transferred from the wire loop to new media   C. after culture is transferred to the wire loop and before culture is transferred from the wire loop to new media   D. before culture is transferred to the wire loop

Please discuss how the Methyl Red-Vogues Proskauer test helps distinguish microbes from each other.

Define the following: 1. Asepsis: 2. Disinfectant: 3. Antiseptic: 4. Sanitization: 5. Bacteriostatic: 6. Bactericidal: 7. Thermal death point (TDP): 8. Thermal death time (TDT): 9. Decimal Reduction Time (DRT):

What is the purpose of the antimicrobial susceptibility test? What information can you gather from this method?

Considering microbial identification methods, to which category would the following method belong based on what it measures? Culturing a bacterium in different sugar solutions to see which sugars it can ferment Phenotypic Serological Genotypic O Biochemical

Among the many methods, please identify Bacillus cereus bacteria, in staining reactiontests, such as A.simple staining B.gram staining C. isolation tests To distinguish specific cultural characteristics of Bacillus cereus bacteria, please explain how to identify Bacillus cereus in these tests below? D indole test, E.starchhydrolysis test F. citrate test.

Please put the following types of organisms/pathogens into the correct order based on their resistance to general antimicrobial compounds.  The MOST resistant description will be #1 and the LEAST resistant description will be #4. Gram positive bacteria Mycobacteria (contain mycolic acids/waxy lipids) Gram negative bacteria Endospores

Which isolation technique is best used in isolating microorganisms (in countable good plates) from a gram of soil sample with expectedly high microbial count?  A. Streak Plate technique B. Serial Dilution-Pour Plate technique C. Spread Plate technique D. Hanging Drop technique 2. Which materials are needed in isolating bacteria using Streak Plate technique? Check all that apply.  ( )nutrient agar plate ( ) inoculating loop ( ) microbial inoculum ( ) flame source 3. Which term refers to that solution of sterile distilled water/normal saline/peptone water used to "thin out" dense microbial populations in Serial Dilution-Pour Plate technique used in the isolation of microorganisms?  A. inoculum B. culture medium C. diluent D. microbial culture