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Micro Exam 5 Portage Learning Questions
& Verified Answers 2024-2025 | 100%
Pass Rate | | 100% Success Guarantee |
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Define the concept of universal precautions.
✓ Universal precautions is used when handling an unknown specimen. They should be
treated as being potentially hazardous or pathogenic materials. So always use correct
PPE
List at least 3 observations a researcher would be sure to note while assessing an unknown
microbial sample.
✓ 1) the morphological characteristics (size/shape)
✓ 2) Presence of any motility
✓ 3) Gram status (+ or -)
While observing an unknown sample of limited amounts, a researcher must determine the
following observations: (1) the presence of any motility and (2) its Gram status using the
samesample—the liquid sample cannot be divided. Which would you determine first and why?
✓ Motility (1) because gram staining requires the sample to be fixed, which involves killing
the organism. You then would not be able to observe the motility of the organism if you
determine the gram status first.
A facultative anaerobe is a microorganism capable of growth under what conditions?
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✓ A facultative anaerobe is capable of growth under both aerobic & anaerobic conditions.
As Streptococcus is catalase negative would it thrive or die in the presence of peroxides?
Why?
✓ Die.
✓ Steptococcus is catalase negative and is unable to breakdown peroxides, therefore, it
would die in the presence of peroxides.
Streptococcus is most often streaked onto:
Blood Agar
EMB Agar
Sprite Blue Agar
Chocolate Agar
✓ Blood agar
The distinction for Lancefield subgroups lie in its (Select All that Apply)
A)Catlyse Activity
B)Carbohydrate composition of antigen
C)Hemotlyic Acitivty
D)All of the Above
|
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✓ Customer Support: [+254707240657]
Micro Exam 5 Portage Learning Questions
& Verified Answers 2024-2025 | 100%
Pass Rate | | 100% Success Guarantee |
Easy-to-Download
Define the concept of universal precautions.
✓ Universal precautions is used when handling an unknown specimen. They should be
treated as being potentially hazardous or pathogenic materials. So always use correct
PPE
List at least 3 observations a researcher would be sure to note while assessing an unknown
microbial sample.
✓ 1) the morphological characteristics (size/shape)
✓ 2) Presence of any motility
✓ 3) Gram status (+ or -)
While observing an unknown sample of limited amounts, a researcher must determine the
following observations: (1) the presence of any motility and (2) its Gram status using the
samesample—the liquid sample cannot be divided. Which would you determine first and why?
✓ Motility (1) because gram staining requires the sample to be fixed, which involves killing
the organism. You then would not be able to observe the motility of the organism if you
determine the gram status first.
A facultative anaerobe is a microorganism capable of growth under what conditions?
|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]
, TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!
✓ A facultative anaerobe is capable of growth under both aerobic & anaerobic conditions.
As Streptococcus is catalase negative would it thrive or die in the presence of peroxides?
Why?
✓ Die.
✓ Steptococcus is catalase negative and is unable to breakdown peroxides, therefore, it
would die in the presence of peroxides.
Streptococcus is most often streaked onto:
Blood Agar
EMB Agar
Sprite Blue Agar
Chocolate Agar
✓ Blood agar
The distinction for Lancefield subgroups lie in its (Select All that Apply)
A)Catlyse Activity
B)Carbohydrate composition of antigen
C)Hemotlyic Acitivty
D)All of the Above
|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]
