Question

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. aureus B. cereus Zone Size Zone Size Zone Size Susceptibility Susceptibility Susceptibility Chemotherapeutic Agent Penicillin Streptomycin Tetracycline Chloramphenicol Gentamicin Vancomycin Sulfanilamide 24 412 39

Answer 1

For E. coli,

Chemotherapeutic Agent	Zone size	Susceptibility
Penicillin	0	R
Streptomycin	28	I
Tetracyclin	38	S
Chloramphenicol	32	S

For, S. aureus,

Chemotherapeutic Agent	Zone size	Susceptibility
Penicillin	0	R
Streptomycin	24	I
Tetracyclin	42	S
Chloramphenicol	38	S