In the Kirby-Bauer plate in the photograph, the effect indicated by the letter B (disc 7) is B 7 C 6 1 5 8 2 D 4 A 3 a. the intermediate level of susceptibility to the antibiotic in the disc b. the growth of the bacterial lawn c. resistance to the antibiotic in the disc d. the zone of inhibition e. the lowest level of susceptibility to the antibiotic in the disc
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The Kirby-Bauer plate is a method used to test the susceptibility of bacteria to different antibiotics. Show more…
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What is the zone of inhibition for the antibiotic shown below? (3 pts) Note: The picture is NOT drawn to scale. The antibiotic disk is shown in gray. Bacterial growth on the slide is shown in pink. The antibiotic disk is 10 mm in diameter. Please assume the line shown is running through the center of the gray and white circles.
Madhur L.
You perform a Kirby-Bauer assay with two antibiotics. Antibiotic X has a zone of inhibition of 3 mm. Antibiotic Y has a zone of inhibition of 5 mm. Which antibiotic is better at killing this particular microorganism? A. Antibiotic Y B. It is impossible to tell from the information given. C. Antibiotic X and Y, which have identical antimicrobial activities D. Antibiotic X
EXPERIMENT 19 LAB REPORT OBSERVATIONS: Part A Measure the diameter of the clear zone of inhibition around the disks and indicate whether the result organism is resistant (R), intermediate (I), or susceptible (S). Record your data in the following box: Gram Positive Bacteria Susceptibility Staphylococcus aureus Antibiotic Tetracycline (Te) Penicillin (P) Gentamicin (GM) Vancomycin (Va) Streptomycin (S) Sulfisoxazole (G) Zone of inhibition in mm: Tetracycline (Te): Penicillin (P): Gentamicin (GM): Vancomycin (Va): Streptomycin (S): Sulfisoxazole (G):
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