Microbiology Lab Practical – Final Exam
Questions and Answers 100% Pass
Staph epidermidis - ✔✔This is MSA and the side labelled "2" is red. Which
Staph does this indicate?
Staph aureus - ✔✔This is MSA and the side labelled "1" has turned yellow.
Which Staph does this indicate?
Lactose Negative - ✔✔This is an EMB plate. What does the test result of "1"
indicate?
Lactose Positive - ✔✔This is an EMB plate. What does the test result of "2"
indicate?
E. Coli - ✔✔This is an EMB plate. What is indicated by "3?"
Starch was broken down - ✔✔This is a starch plate. What does the clear
boundary around this colony indicate?
1
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,acid was produced - ✔✔Why did this Fermentation Tube turn yellow?
gas was produced - ✔✔What is indicated by the bubble in this Durham
Tube inside a Fermentation Tube?
Protein was not broken down - ✔✔This is a Gelatin Tube Test. In Test Tube
2, it is solid. What does this mean?
Catalase Test - ✔✔What is the name of this test?
Antibiotic Disk Diffusion (Antibiotic Susceptibility) - ✔✔What is the name
of this test?
Mannitol Salt Agar - ✔✔What is the name of this media?
Urea Broth
Urease Enzyme
Tube 1: Positive
Tube 2: Negative - ✔✔What is it testing for?
What does pink indicate?
What does the pale yellow indicate?
2
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, Nitrate Reduction - ✔✔What is the name of this test?
neutrophil - ✔✔
lymphocyte - ✔✔
monocyte - ✔✔
eosinophil - ✔✔
basophil - ✔✔
What method is used for the antimicrobial susceptibility test? - ✔✔Kirby-
Bauer
What technique is used for the Kirby-Bauer test? - ✔✔swab and make a
bacterial lawn
What is the principle of technique for the Kirby-Bauer? - ✔✔disk diffusion
What observations are made in lab with Kirby-Bauer? - ✔✔zone of
inhibition
What is reported out to Physicians from the Kirby-Bauer? -
✔✔susceptibility or resistance
3
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Questions and Answers 100% Pass
Staph epidermidis - ✔✔This is MSA and the side labelled "2" is red. Which
Staph does this indicate?
Staph aureus - ✔✔This is MSA and the side labelled "1" has turned yellow.
Which Staph does this indicate?
Lactose Negative - ✔✔This is an EMB plate. What does the test result of "1"
indicate?
Lactose Positive - ✔✔This is an EMB plate. What does the test result of "2"
indicate?
E. Coli - ✔✔This is an EMB plate. What is indicated by "3?"
Starch was broken down - ✔✔This is a starch plate. What does the clear
boundary around this colony indicate?
1
100% Pass Guarantee Katelyn Whitman, All Rights
,acid was produced - ✔✔Why did this Fermentation Tube turn yellow?
gas was produced - ✔✔What is indicated by the bubble in this Durham
Tube inside a Fermentation Tube?
Protein was not broken down - ✔✔This is a Gelatin Tube Test. In Test Tube
2, it is solid. What does this mean?
Catalase Test - ✔✔What is the name of this test?
Antibiotic Disk Diffusion (Antibiotic Susceptibility) - ✔✔What is the name
of this test?
Mannitol Salt Agar - ✔✔What is the name of this media?
Urea Broth
Urease Enzyme
Tube 1: Positive
Tube 2: Negative - ✔✔What is it testing for?
What does pink indicate?
What does the pale yellow indicate?
2
100% Pass Guarantee Katelyn Whitman, All Rights
, Nitrate Reduction - ✔✔What is the name of this test?
neutrophil - ✔✔
lymphocyte - ✔✔
monocyte - ✔✔
eosinophil - ✔✔
basophil - ✔✔
What method is used for the antimicrobial susceptibility test? - ✔✔Kirby-
Bauer
What technique is used for the Kirby-Bauer test? - ✔✔swab and make a
bacterial lawn
What is the principle of technique for the Kirby-Bauer? - ✔✔disk diffusion
What observations are made in lab with Kirby-Bauer? - ✔✔zone of
inhibition
What is reported out to Physicians from the Kirby-Bauer? -
✔✔susceptibility or resistance
3
100% Pass Guarantee Katelyn Whitman, All Rights
