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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Questions:
Q1: Which of the drugs are the most efficient against the 3 bacteria?
Q2: Which of the 3 bacteria appears to be the most sensitive?

Transcribed Image Text:**Antibiotic Sensitivity Chart for Bacterial Strains**
This table presents the results of antibiotic sensitivity testing for three bacterial strains: *E. coli*, *P. aeruginosa*, and *S. aureus*. The data includes the average diameter of the zone of inhibition (Zone Dia.) in millimeters for different antibiotics, alongside their susceptibility status: Susceptible (S), Resistant (R), or Intermediate (I).
**Table: Antibiotic Sensitivity Results**
| Drug | *E. coli* | S, R, I | *P. aeruginosa* | S, R, I | *S. aureus* | S, R, I |
|-------|-----------|---------|----------------|---------|-------------|---------|
| AM 10 | 16.2 | S | 7.2 | R | 12.5 | R |
| CF 30 | 18 | S | 10 | R | 27.3 | S |
| CIP 5 | 32 | S | 31 | S | 26.9 | S |
| E 15 | 21 | I | 7.7 | R | 28.7 | S |
| GM 10 | 23 | S | 18 | S | 24 | S |
| IPM 10| 30 | S | 18 | S | 42 | S |
| P 10 | 7 | R | 8 | R | 12.4 | R |
**Key:**
- **S**: Susceptible
- **R**: Resistant
- **I**: Intermediate
**Interpretation:**
- The antibiotics AM 10, CF 30, CIP 5, IPM 10, and GM 10 show effectiveness against *E. coli* with varying degrees of susceptibility.
- *P. aeruginosa* is resistant to many of the tested antibiotics except for CIP 5, GM 10, and IPM 10.
- *S. aureus* shows susceptibility to most antibiotics except for AM 10 and P 10.
- The highest average zone diameters, indicating greater effectiveness, are observed with CIP 5 against all
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