Which one of the following methods of antimicrobial susceptibility testing combines some of the properties of two other methods and involves adding a plastic strip to the agar? Select one: O a. Agar macrodilution method b. Gradient diffusion method c. Broth microdilution method O d. Disk diffusion method
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- The Kirby -Bauer antimicrobial sensitivity testing method relies on: A. The inhibition of one antimicrobial by another B. The diffusion of antimicrobials in paper discs C. Serial dilutions of antimicrobials in test tubes D. A gradient of an antimicrobial on a paper strip1. a. Disk A b. Disk B c. Disk C d. Disk D 2. a. Strip A with MIC at 0.25 μg/mL b. Strip B with MIC at 0.064 μg/mL c. Strip C with MIC at 0.075 μg/mL d. All of the strips show equal antimicrobial efficacyDiscuss the procedure and application for the agar well diffusion method of evaluating antimicrobial activity.
- In the Kirby-Bauer test, which of the following must be consistent? a. concentration of bacteria placed on the plate b. type of medium in the plate c. concentration of antimicrobial drug in the disk d. all of theseAfter a series of experiments, bacterial cultures were identified for disposal. How can these be properly decontaminated prior to disposal according to biosafety guidelines? METHOD:RATIONALE:Read the following statements. Fill-in the possible effect of the procedure and give the rationale. (STERILITY TEST) The antimicrobial activity of the product tested was not eliminated. Effect: Rationale:
- What is the antimicrobial removal device (ARD) blood culture system? Discuss its mechanism and its importance.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 cultureKligler’s iron agar and SIM are multiple test media.What physiological characteristic is detected by both of these media?