Homework Answers
46) answer : C).14 or more .
Inhibition zone diameter :
Sensitive 14 or less
Intermediate 12-13 mm.
Resistance : 11 or less.
47) answer : a. Sensitive .
Add Answer to:
Antibiotic Sensitivity Testing 46. What size is the zone of inhibition? mm or less A. 11...
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...
1. What does each disc have a precise amount of? SLIDE 3 KIRBY-BAUER ANTIBIOTIC SENSITIVITY PLATE...
1. What does each disc have a precise amount of? SLIDE 3 KIRBY-BAUER ANTIBIOTIC SENSITIVITY PLATE USING MEULLER-HINTON AGAR 2. Does a large zone of inhibition automatically qualify the antibiotic as effective and thus the organisms (sensitive)? 3. How do you know if any one of these zones of inhibition deems the organisms (sensitive) to the antibiotic? 4. What does this agar (MEULLER-HINTON AGAR) control for (how does this agar put all the antibiotics on an equal footing)? 5. Circle...
Serratia marcescens MH 2 S - 20 16.7 mm mm Wuna Antibiotic 1. Ampicillin, 10 ug...
Serratia marcescens MH 2 S - 20 16.7 mm mm Wuna Antibiotic 1. Ampicillin, 10 ug 2. Tetracycline, 30 ug 3. Chloramphenicol, 30 ug 4.Vancomycin, 30 ug 25 mm mm Nassau After reviewing the Lab Module 6 - Kirby-Bauer Antibiotic Susceptibility Testing Introduction and Background document and the supplemental lab videos, complete the lab report below. Use the reference chart on the susceptibilities of antibiotics on page 2. Indicate for each strain below based on measurements of the diameter of...
Mig 'ntimicrobial susceptibility Testing 13mm 7mm CO O mm Antibiotic Chart Intermediate Antibiotic Gentamicin Code GM...
Mig 'ntimicrobial susceptibility Testing 13mm 7mm CO O mm Antibiotic Chart Intermediate Antibiotic Gentamicin Code GM 10 Resistant 12mm Sensitive 13mm 11mm 12-21 22mm Penicillin G Streptomycin P 10 S 10 11mm 12-14 15mm Name of the standardized test shown? Name of agar? Which antibiotic(s) on this plate shows resistance? Which antibiotic(s) shows sensitivity?
An antibiotic sensitivity test was performed for S. aureas, B. cereus, E coli and S. typhimurim....
An antibiotic sensitivity test was performed for S. aureas, B.
cereus, E coli and S. typhimurim. The antibiotics used are
Gentamycin (GM), Chloramphenicol (C), Streptomycin (S), Ampicillin
(AM), Tetracycline (TE) and Erythromycin (E). The diameters of the
zones of inhibition were measured for each antibiotic and recorded.
S = susceptible. R = resistant. I = intermediate. Do the results
align with the expected results for each organism?
1. Interpret the following standard antibiotic test results using the interpretive chart below. Assume that the...
1. Interpret the following standard antibiotic test results using the interpretive chart below. Assume that the method was used correctly and that all antibiotic discs were effective (not expired): (5 marks) a. Aeromonas hydrophilia tested with Tetracycline had an average zone size of 16.5 mm b. Aeromonas hydrophilia tested with Pencillin G had an average zone size of 10 mm c. Staphylococcus aureus Patient AB tested with Pencillin G had an average zone size of 24 mm. d. Staphylococcus aureus...
1. The size of the zone of inhibition often varies for two different species of bacteria...
1. The size of the zone of inhibition often varies for two different species of bacteria when challenged with the same antibiotic. What is a possible explanation for these differences? 2. Antibiotics can be bactericidal (they kill the microbe) or bacteriostatic (they inhibit microbial growth, but do not kill). When observing a zone of inhibition around a disk, how would you to determine whether the antibiotic causing that zone was bactericidal or bacteriostatic? 3. When performing antibiotic sensitivity testing, it...
Question 5 1.5 points Save Answer An organism identified as Staphylococcus was challenged by several antibiotics...
Question 5 1.5 points Save Answer An organism identified as Staphylococcus was challenged by several antibiotics using the Kirby-Bauer protocol. EACH of the following drugs showed a zone of inhibition of 19 mm. Given these results, which antibiotic would be most useful in treatment against this organism? (Use the information on the reference chart below.) Drug Resistant Intermediate Susceptible Ampicillin < 28 mm 28 mm > 28 mm Erythromycin < 13 mm 13-22 mm > 22 mm Penicillin G 28...
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....
(2 points) Klebsiella is tested by disk diffusion assay (Kirby-Bauer test). A reference table is shown...
(2 points) Klebsiella is tested by disk diffusion assay (Kirby-Bauer test). A reference table is shown below to interpret the zones of inhibition. Antibiotic Resistant in mm Intermediate(mm) Susceptible (mm) Cefotaxime 11 12-13 ________ A. What would the minimum zone diameter be in this test that would indicate the organism is susceptible? ___________ B. If a tech used too high of an inoculum, for example used a solution of 10 million bacteria per ml instead of 100,000 per...
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...
1. What does each disc have a precise amount of? SLIDE 3 KIRBY-BAUER ANTIBIOTIC SENSITIVITY PLATE USING MEULLER-HINTON AGAR 2. Does a large zone of inhibition automatically qualify the antibiotic as effective and thus the organisms (sensitive)? 3. How do you know if any one of these zones of inhibition deems the organisms (sensitive) to the antibiotic? 4. What does this agar (MEULLER-HINTON AGAR) control for (how does this agar put all the antibiotics on an equal footing)? 5. Circle...
Serratia marcescens MH 2 S - 20 16.7 mm mm Wuna Antibiotic 1. Ampicillin, 10 ug 2. Tetracycline, 30 ug 3. Chloramphenicol, 30 ug 4.Vancomycin, 30 ug 25 mm mm Nassau After reviewing the Lab Module 6 - Kirby-Bauer Antibiotic Susceptibility Testing Introduction and Background document and the supplemental lab videos, complete the lab report below. Use the reference chart on the susceptibilities of antibiotics on page 2. Indicate for each strain below based on measurements of the diameter of...
Mig 'ntimicrobial susceptibility Testing 13mm 7mm CO O mm Antibiotic Chart Intermediate Antibiotic Gentamicin Code GM 10 Resistant 12mm Sensitive 13mm 11mm 12-21 22mm Penicillin G Streptomycin P 10 S 10 11mm 12-14 15mm Name of the standardized test shown? Name of agar? Which antibiotic(s) on this plate shows resistance? Which antibiotic(s) shows sensitivity?
An antibiotic sensitivity test was performed for S. aureas, B.
cereus, E coli and S. typhimurim. The antibiotics used are
Gentamycin (GM), Chloramphenicol (C), Streptomycin (S), Ampicillin
(AM), Tetracycline (TE) and Erythromycin (E). The diameters of the
zones of inhibition were measured for each antibiotic and recorded.
S = susceptible. R = resistant. I = intermediate. Do the results
align with the expected results for each organism?
1. Interpret the following standard antibiotic test results using the interpretive chart below. Assume that the method was used correctly and that all antibiotic discs were effective (not expired): (5 marks) a. Aeromonas hydrophilia tested with Tetracycline had an average zone size of 16.5 mm b. Aeromonas hydrophilia tested with Pencillin G had an average zone size of 10 mm c. Staphylococcus aureus Patient AB tested with Pencillin G had an average zone size of 24 mm. d. Staphylococcus aureus...
Question 5 1.5 points Save Answer An organism identified as Staphylococcus was challenged by several antibiotics using the Kirby-Bauer protocol. EACH of the following drugs showed a zone of inhibition of 19 mm. Given these results, which antibiotic would be most useful in treatment against this organism? (Use the information on the reference chart below.) Drug Resistant Intermediate Susceptible Ampicillin < 28 mm 28 mm > 28 mm Erythromycin < 13 mm 13-22 mm > 22 mm Penicillin G 28...
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....
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