Use the above chart to answer this question. Suppose you perform the Kirby Bauer

Question

Use the above chart to answer this question.

Suppose you perform the Kirby Bauer Sensitivity test on a Staphylococcus species with ampicillin, chloramphenicol, streptomycin, and tetracycline. You record zone diameters of 17 mm for tetracycline, 10 mm for ampicillin, 11 mm for streptomycin, and 23 mm for chloramphenicol. Which antibiotics could the doctor use to treat the patient?

Answers:

chloramphenicol or ampicillin Zone diameter measured (mm) Antibiotics used Sensitive Intermediate Resistant Ampicillin, 10 ug Chloramphenicol, 30 ug 23 Clindamycin, 2 ?g 18 Ciprofloxacin, 5 ug Erythromycin, 15 ug 19 Gentamicin, 10 ug Kanamycin, 30 ug Nalidixic acid, 30 ug 15 Streptomycin, 10 ug 215 Tetracycline, 30 ug Vancomycin, 30 Hg 12-22 16-17 19-23 16-18 N/A 14-17 s 11 15 18 15 e 22 224 C> 23 14 12-14 e33 16-32

Explanation / Answer

The correct answer should be

A) Chloremphenicol or ampicillin as they are both giving the diameter for susceptibility.

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