Homework Answers
ANSWERS
1.Name of the standardized test shown? Name of the agar?
Answer: Antibiotic susceptibility testing (AST) is the standardized test shown. Muller Hinton Agar is used because is the microbiological growth medium that is commonly used for antibiotic susceptibility testing.
2.Which antibiotics on this plate shows resistance?
Answer:Pencillin G & Streptomycin
3.Which antibiotics shows sensitivity?
Answer: Gentamicin
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Mig 'ntimicrobial susceptibility Testing 13mm 7mm CO O mm Antibiotic Chart Intermediate Antibiotic Gentamicin Code GM...
16 Name: Section Lab Report Date Observations and Results Part A: Kirby-Bauer Antibiotic Sensitivity Test Procedure...
16 Name: Section Lab Report Date Observations and Results Part A: Kirby-Bauer Antibiotic Sensitivity Test Procedure 1. Record the zone size and the susceptibility of each test organism to the chemotherapeutic agent as resistant (R), intermediate (1), or sensitive (S) in the charts below. E coli P. vulgaris GRAM-NEGATIVE Paeruginosa Zone Size Susceptibility ACID-FAST M. smegmatis Zone Size Susceptibility Chemotherapeutic Zone Size Zone Size Agent Susceptibility Susceptibility Penicillin Streptomycin Tetracycline Chloramphenicol Gentamicin Vancomycin Sulfanilamide 32 32 GRAM-POSITIVE E. faecalis S....
3. Which of these antibiotics would be classified as narrow-spectrum antibiotics? grampos sneg) 4. Which of...
3. Which of these antibiotics would be classified as narrow-spectrum antibiotics? grampos sneg) 4. Which of these antibiotics would be classified as broad-spectrum antibiotics? lics? (will kill both 5a. Ampicillin is a form of penicillin. If the zone of inhibition for a susceptible strain of E. coli is mm, and for a strain of S. aureus is 29 mm, which one is inhibited by the lower concentration or ampicillin? 5b. Would you need a higher dose of ampicillin to cure...
Kirby-Bauer Test time-lapse with E. coli and S. aureus Elapsed Time: 24 hours coll Il 0...
Kirby-Bauer Test time-lapse with E. coli and S. aureus Elapsed Time: 24 hours coll Il 0 :18/1:11 Ampicillin Gentamicin Neomycin Vancomycin Tetracycline Bacitracin Trimethoprim/ Sulfamethoxazole Optochin Penicillin Erythromycin Streptomycin Amoxicillin/ Clavulanic Acid E. coli HD Q : II 0 - 0:33/1:11 3. Which of your organisms appears more susceptible to penicillin? 4. Which of your organisms appears difficult to treat with the selected antibiotics? 5. What is the difference between G+ and G-in reference to the selected antibiotics? 6. Which...
Zone Size Interpretive Chart Inbibition Zone Diametor ( Symbol/Potency AM 1loug 13 or less eram negative...
Zone Size Interpretive Chart Inbibition Zone Diametor ( Symbol/Potency AM 1loug 13 or less eram negative AM 1oug 28 or less sensitive microbes) CB 10oug 19 or less20-22 23 or mare Proteus sp or Escherichia coli) CB 100ug Carbenicillin 14-1617 or more 13 or less 14or ls 15-17 1 or mae CAZ 30ug 15-1718 CF 30ug I5-17 Cephalothin 14 or less C 30ug 13-17 18 or more Chlo 12 or less E 15ug 14-17 18 or more Erythromycin 13 or...
16 Name: Section Lab Report Date Observations and Results Part A: Kirby-Bauer Antibiotic Sensitivity Test Procedure 1. Record the zone size and the susceptibility of each test organism to the chemotherapeutic agent as resistant (R), intermediate (1), or sensitive (S) in the charts below. E coli P. vulgaris GRAM-NEGATIVE Paeruginosa Zone Size Susceptibility ACID-FAST M. smegmatis Zone Size Susceptibility Chemotherapeutic Zone Size Zone Size Agent Susceptibility Susceptibility Penicillin Streptomycin Tetracycline Chloramphenicol Gentamicin Vancomycin Sulfanilamide 32 32 GRAM-POSITIVE E. faecalis S....
3. Which of these antibiotics would be classified as narrow-spectrum antibiotics? grampos sneg) 4. Which of these antibiotics would be classified as broad-spectrum antibiotics? lics? (will kill both 5a. Ampicillin is a form of penicillin. If the zone of inhibition for a susceptible strain of E. coli is mm, and for a strain of S. aureus is 29 mm, which one is inhibited by the lower concentration or ampicillin? 5b. Would you need a higher dose of ampicillin to cure...
Kirby-Bauer Test time-lapse with E. coli and S. aureus Elapsed Time: 24 hours coll Il 0 :18/1:11 Ampicillin Gentamicin Neomycin Vancomycin Tetracycline Bacitracin Trimethoprim/ Sulfamethoxazole Optochin Penicillin Erythromycin Streptomycin Amoxicillin/ Clavulanic Acid E. coli HD Q : II 0 - 0:33/1:11 3. Which of your organisms appears more susceptible to penicillin? 4. Which of your organisms appears difficult to treat with the selected antibiotics? 5. What is the difference between G+ and G-in reference to the selected antibiotics? 6. Which...
Zone Size Interpretive Chart Inbibition Zone Diametor ( Symbol/Potency AM 1loug 13 or less eram negative AM 1oug 28 or less sensitive microbes) CB 10oug 19 or less20-22 23 or mare Proteus sp or Escherichia coli) CB 100ug Carbenicillin 14-1617 or more 13 or less 14or ls 15-17 1 or mae CAZ 30ug 15-1718 CF 30ug I5-17 Cephalothin 14 or less C 30ug 13-17 18 or more Chlo 12 or less E 15ug 14-17 18 or more Erythromycin 13 or...
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