1|Page
MICROBIOLOGY LAB FINAL EXAM VERSION 1 EXAM NEWEST
2025/2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS)
|ALREADY GRADED A+| ||PROFESSOR VERIFIED||
When removing a sterile swab from the aseptic packaging, you
should:
Question options:
A)
Tear the package open at the swab end. Then pull the swab out
and place it on top of the empty package until you're ready to use
it.
B)
Tear the package open at the back end. Grab the stick end of the
swab and pull the swab through the torn outer edges of the
package.
C)
Peel the package open at the back end. Grab the stick end and
pull it out in such a way that the swab does not touch any outer
surfaces of the package. - ANSWER-Peel the package open at
the back end. Grab the stick end and pull it out in such a way that
the swab does not touch any outer surfaces of the package.
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The deionized water taps in the micro lab have:
Question options:
A)
Stainless steel tap handles
B)
White tap handles - ANSWER-White tap handles
After using a swab to collect a specimen and inoculate a Petri
plate, how should the swab and package be disposed of?
Question options:
A)
The swab should be carefully placed back into the package, once
its inside the package, its no longer a hazard and they can both
be disposed of in the regular waste paper basket.
B)
The swab should be placed in the nearest sharps container, while
the paper package can be disposed of in the regular waste paper
basket.
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C)
Both the swab and the paper package should be disposed of in
the sharps container, because the swab is a biohazard and
aseptic packaging is a perceived hazard. - ANSWER-The swab
should be placed in the nearest sharps container, while the paper
package can be disposed of in the regular waste paper basket.
A bacterium that grows on blood agar and is surrounded by a
distinctly green zone of clearing is said to be:
Question options:
A)
α-hemolytic
B)
β-hemolytic
C)
γ-hemolytic - ANSWER-α-hemolytic
A bacterium that grows on blood agar and is surrounded by a
completely clear or yellowish zone of clearing is said to be:
Question options:
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A)
α-hemolytic
B)
β-hemolytic
C)
γ-hemolytic - ANSWER-β-hemolytic
A bacterium that grows on blood agar and is not surrounded by a
zone of clearing is said to be:
Question options:
A)
α-hemolytic
B)
β-hemolytic
C)
γ-hemolytic - ANSWER-γ-hemolytic
MacConkey agar is specially designed to find:
MICROBIOLOGY LAB FINAL EXAM VERSION 1 EXAM NEWEST
2025/2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS)
|ALREADY GRADED A+| ||PROFESSOR VERIFIED||
When removing a sterile swab from the aseptic packaging, you
should:
Question options:
A)
Tear the package open at the swab end. Then pull the swab out
and place it on top of the empty package until you're ready to use
it.
B)
Tear the package open at the back end. Grab the stick end of the
swab and pull the swab through the torn outer edges of the
package.
C)
Peel the package open at the back end. Grab the stick end and
pull it out in such a way that the swab does not touch any outer
surfaces of the package. - ANSWER-Peel the package open at
the back end. Grab the stick end and pull it out in such a way that
the swab does not touch any outer surfaces of the package.
,2|Page
The deionized water taps in the micro lab have:
Question options:
A)
Stainless steel tap handles
B)
White tap handles - ANSWER-White tap handles
After using a swab to collect a specimen and inoculate a Petri
plate, how should the swab and package be disposed of?
Question options:
A)
The swab should be carefully placed back into the package, once
its inside the package, its no longer a hazard and they can both
be disposed of in the regular waste paper basket.
B)
The swab should be placed in the nearest sharps container, while
the paper package can be disposed of in the regular waste paper
basket.
,3|Page
C)
Both the swab and the paper package should be disposed of in
the sharps container, because the swab is a biohazard and
aseptic packaging is a perceived hazard. - ANSWER-The swab
should be placed in the nearest sharps container, while the paper
package can be disposed of in the regular waste paper basket.
A bacterium that grows on blood agar and is surrounded by a
distinctly green zone of clearing is said to be:
Question options:
A)
α-hemolytic
B)
β-hemolytic
C)
γ-hemolytic - ANSWER-α-hemolytic
A bacterium that grows on blood agar and is surrounded by a
completely clear or yellowish zone of clearing is said to be:
Question options:
, 4|Page
A)
α-hemolytic
B)
β-hemolytic
C)
γ-hemolytic - ANSWER-β-hemolytic
A bacterium that grows on blood agar and is not surrounded by a
zone of clearing is said to be:
Question options:
A)
α-hemolytic
B)
β-hemolytic
C)
γ-hemolytic - ANSWER-γ-hemolytic
MacConkey agar is specially designed to find:
