Lab report 25-Antimicrobial Susceptibility Testing (Kirby-Bauer Method) Your results and observations: Record your results in the table (S-sensitivi intermediate, R = resistant) Paties Patient X Patient B Zone Result AS Result Zone Result Antibiotic Code (mm) S/I/ R Cm S/\/R (mm) 5/1/R Penicillin P-10 gam Erythromycin E-15 Tetracycline TE-30 Kanamycin K-30 23 Domm 21mm Streptomycin S-10 Gentamicin GM-10 Bacitracin B-10 Vancomycin VA-30 Chloramphenieel LC-30 nterpretation & Questions: 1. Based on your results, which patient's infection appears to be the most difficult to treat? Why? 2. With which antibiotic should Patient S be treated? 3. Which 2 antibiotics appear to have the most similar spectra of activity (be effective or not on the same organism)? 4. With which antibiotic should Patient X be treated? 5. In preparing your plate for testing, you spread the inoculum first in one direction, then in another, and finally in a third direction. Why was it important to spread the inoculum in this manner?
