Antibiotic A: 0.5 kDa protein, targets peptidoglycan Antibiotic B: 20 kDa protein, targets peptidoglycan Antibiotic C: Cationic antimicrobial peptide Antibiotic D: Targets lipopolysaccharide Staphylococcus aureus: gram-positive bacterium Vibrio cholera: gram-negative
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- The following table includes information from a procedure where mice were injected with different concentration amounts of a certain microbe (Mircobe A) under these distinct circumstances: no other treatment added (NT), after being exposed to anti-microbe A vaccine (vacA), and during treatment with a broad-spectrum antibiotic (x). CFU/ml Injected % Infected - NT % Infected - vacA % Infected - x 1 2 0 1 10 20 0 22 100 52 3 44 1000 100 14 97 1. What is the ID50 value of Microbe A (in CFU/ml)? 2. Is Microbe A antibiotic-sensitive? 3. Is the vacA vaccine effective to stop the infection?Based on the table, what can you conclude from the said data? Title: Indicate whether the microorganism is Resistant, Intermediate or Susceptible with the antibiotic based on the measurement of their zone of inhibition. ANTIBIOTIC MICROORGANISMS Pseudomonas aeruginosa Escherichia coli Staphylococcus aureus Amoxicillin (AMC) Resistant Resistant Resistant Cephalothin (CF) Resistant Susceptible Resistant Chloramphenicol (C) Intermediate Susceptible Resistant Ciprofloxacin (CIP) Susceptible Susceptible Resistant Clindamycin (CC) Resistant Resistant Resistant Erythromycin (E) Resistant Resistant Resistant Oxacillin (OX) Resistant Resistant Resistant Penicillin G (P) Resistant Resistant Resistant Streptomycin (S) Resistant Susceptible Resistant Tetracycline (TE) Resistant Intermediate Resistant Tobramycin (TM) Susceptible…You perform a Kirby-Bauer assay with two antibiotics. Antibiotic X has a zone of inhibition of 9 mm. Antibiotic Y has a zone of inhibition of 11 mm. Which antibiotic is better at killing this particular microorganism? Group of answer choices 1Antibiotic Y 2Antibiotic X and Y, which have identical antimicrobial activities 3Antibiotic X4 4It is impossible to tell from the information given
- diameter AM=47MM TE= 27 MM both left hand side is ampicillin and right hand side is tetracycline With reference to the table below, determine the antibiotic susceptibilities of different antibiotics against coli and S.aureus. S.aureus Antimicrobial agent Interpretive categories and zone diameter breakpoints, nearest whole mm sensitive Intermediate resistant Tetracycline >19 15-18 <14what do the colors in the kirby bauer plate represent black/dark area = tan/yellow are small white circles Match choices - - source of the chemical being tested for antimicrobial activity - locations where the bacteria was able to grow - bacterial innoclunum being tested for sensitivity - locations where the bacteria was not able to growthe following are the steps, listed in random order, for utilizing koch's postulates. what should be the second step out of the four listed? a. a microorganism is found to be present in every case of a disease. b. the same microbe discovered previously is isolated from the purposely infected host c. the pathogen is isolated and grown in pure culture d. the same disease results after isolated organism is inoculated into healthy host
- Order: streptomycin 500 mg IM daily for 8 days. If you have vials of this antibiotic that are labeled as 1 g/2.5 mL, how many milliliters would you administer?The reason why most antibiotics as oral suspension dosage forms are commercially available as dry powders, to be reconstituted with water just prior to dispensing, is:What is the specific mode of action and the target organisms of each of the three antibiotics used in the exercise (isolation of E. coli bacteriophage)?a. Ampicillin:b. Polymyxin:c. Streptomycin:
- The following pictures show the results of a Disk Diffusion Assay for different types of bacteria. For each bacteria, what antibiotic would you recommend be used on the patient? Explain your choice.Based on the following image, which concentration of antibiotic would be considered the minimum bactericidal concentration (MBC)? a. 8 ug/mlb. 16 ug/mlc. 25 ug/mlWhat are two possible reasons for choosing a bacteriostatic treatment over a bactericidal one? Name the factors that can compromise the effectiveness of a disinfecting agent