The following set of data are measurements of zones of inhibition (in mm) from a Kirby-Bauer test. Using the fags 993 +-។ asada 30010 f994

Human Anatomy & Physiology (11th Edition)
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12:28
TABLE 1
Disk Symbol
A
B
Today
10:42 AM
INTERPRETING INHIBITION ZONES OF TEST CULTURES
CHEMICAL METHODS OF CONTROL: ANTIMICROBIAL DRUGS
Antimicrobial Agent
Ampicillin when testing gram-negative bacteria
Ampicillin when testing gram-positive bacteria
Chloramphenicol
Ceftazidime
Carbenicillin
Carbenicillin when testing Pseudomonas
Cephalothin
Ciprofloxacin
Erythromycin
Cefoxitin
Sulfisoxazole
Bunnsoxazo
Gentamicin
Conca
companion
Imipenem
Penicillin when testing staphylococci
Penicillin when testing other bacteria
Polymyxin
Rifampin
Streptomycin
Trimethoprim-
Sulfamethoxazole (TMP-SMZ)
Tetracycline
Vancomycin when testing Staphylococcus spp.
Vancomycin when testing enterococci
PROCEDURE Second Period
1. Measure the zones of inhibition in millimeters, using
a ruler on the underside of the plate (see Figure 3b).
If the diameter is difficult to measure, measure the
radius from the center of the disk to the edge of the
zone. Multiply the radius by 2 to get the diameter of
the zone.
Disk Content
10 με
10 με
30 μg
30 μg
100 pg
100 pg
30 ug
5 µg
15 με
30 μg
25 µg
10 µg
10 με
10 units
NEZANT
10 uni
10 units
300 units
5 µg
10 pg
1.25 P
23.75 pg
i
Diameter of Zones of Inhibition (mm)
Resistant Intermediate Susceptible
13
14-16
217
28
2:29
$12
18
$17
19
13
2
$14
15
13
s14
$12
≤12
19
$28
30 µg
30 pg
30 µg
Clinical and Laboratory Standards Institute. Performance Standards for Antimicrobial Disk Susceptibility Tests, 2010
≤16
511
≤10
-
.5G 25
14
Edit
$14
13-17
18-20
20-22
14-16
10-17
15-17
16-20
10-20
14-22
15-17
13-16
13-14
20-22
9-11
17-19
12-14
11-15
15-18
15-16
221
223
17
17
218
21
221
223
218
217
215
223
229
20
>15
15
212
220
215
216
2. Record the zone size and, based on the values in
Table 1, indicate whether the organism is suscep
tible, intermediate, or resistant. Record the results
of students using the other two bacteria. Colonies
within a zone of inhibition are resistant to that an-
tibiotie (FIGURE 4)
219
2:15
217
€
da
Transcribed Image Text:12:28 TABLE 1 Disk Symbol A B Today 10:42 AM INTERPRETING INHIBITION ZONES OF TEST CULTURES CHEMICAL METHODS OF CONTROL: ANTIMICROBIAL DRUGS Antimicrobial Agent Ampicillin when testing gram-negative bacteria Ampicillin when testing gram-positive bacteria Chloramphenicol Ceftazidime Carbenicillin Carbenicillin when testing Pseudomonas Cephalothin Ciprofloxacin Erythromycin Cefoxitin Sulfisoxazole Bunnsoxazo Gentamicin Conca companion Imipenem Penicillin when testing staphylococci Penicillin when testing other bacteria Polymyxin Rifampin Streptomycin Trimethoprim- Sulfamethoxazole (TMP-SMZ) Tetracycline Vancomycin when testing Staphylococcus spp. Vancomycin when testing enterococci PROCEDURE Second Period 1. Measure the zones of inhibition in millimeters, using a ruler on the underside of the plate (see Figure 3b). If the diameter is difficult to measure, measure the radius from the center of the disk to the edge of the zone. Multiply the radius by 2 to get the diameter of the zone. Disk Content 10 με 10 με 30 μg 30 μg 100 pg 100 pg 30 ug 5 µg 15 με 30 μg 25 µg 10 µg 10 με 10 units NEZANT 10 uni 10 units 300 units 5 µg 10 pg 1.25 P 23.75 pg i Diameter of Zones of Inhibition (mm) Resistant Intermediate Susceptible 13 14-16 217 28 2:29 $12 18 $17 19 13 2 $14 15 13 s14 $12 ≤12 19 $28 30 µg 30 pg 30 µg Clinical and Laboratory Standards Institute. Performance Standards for Antimicrobial Disk Susceptibility Tests, 2010 ≤16 511 ≤10 - .5G 25 14 Edit $14 13-17 18-20 20-22 14-16 10-17 15-17 16-20 10-20 14-22 15-17 13-16 13-14 20-22 9-11 17-19 12-14 11-15 15-18 15-16 221 223 17 17 218 21 221 223 218 217 215 223 229 20 >15 15 212 220 215 216 2. Record the zone size and, based on the values in Table 1, indicate whether the organism is suscep tible, intermediate, or resistant. Record the results of students using the other two bacteria. Colonies within a zone of inhibition are resistant to that an- tibiotie (FIGURE 4) 219 2:15 217 € da
The following set of data are
measurements of zones of inhibition (in
mm) from a Kirby-Bauer test. Using the
comparison chart, please determine if
the bacteria is susceptible, intermediate,
or resistant to the antibiotics listed.
A. Ciprofloxacin - 23 mm
B. Tetracycline - 16 mm
C. Erythromycin - 2 mm
Transcribed Image Text:The following set of data are measurements of zones of inhibition (in mm) from a Kirby-Bauer test. Using the comparison chart, please determine if the bacteria is susceptible, intermediate, or resistant to the antibiotics listed. A. Ciprofloxacin - 23 mm B. Tetracycline - 16 mm C. Erythromycin - 2 mm
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