Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:LABORATORY REPORT FORM
EXERCISE 27
ANTIBIOTIC SENSITIVITY TESTING: THE KIRBY-BAUER PROCEDURE
What is the purpose of this exercise?
To determine the sensitivity or resistance of pathogenic aerobic and
compounds.
Facultative anaerobic bacteria to various antimicrobial
1. Complete the following chart:
CHEMOTHERAPEUTIC
AGENT
DISK
CODE
Streptomycin 10
Neomycin
Doxydycline
30
Chloramphenicol 30
10
10
2.
Ampicillin
Gentamicin
Bacitracin
10
Tetracycline 30
Staphylococcus aureus
S, I, or R
Zone
(mm)
15
30 25
3D
32
42
20
15
30
Escherichia coli
Zone
(mm)
28
20
28
19
30
0
S, I, or R
Pseudomonas
aeruginosa
Zone
(mm)
10
0
0
0
0
20
0
10
S, I, or R
Based on your results, which chemotherapeutic agent(s) tested were broad-spectrum? Narrow-spectrum?
3. Were any colonies growing within any of your zones of inhibition? If so, how would you determine if it
was a contaminant or a resistant colony?
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