Microbiology Lab Exam #1

34 Questions  I  By Caitlin.mumaw
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Microbiology Quizzes & Trivia
Quiz to study for McNeely's Lab Exam #1:Includes:oil immersionaseptic techniquestreaking for isolationgram stainingacid-fast stainingspecial staining

  
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1.  What is the total magnification for low-dry?
A.
B.
C.
2.  What is the real name for the blue-rimmed objective?
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B.
C.
3.  What is the total magnification for high-dry?
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B.
C.
4.  What group of organisms are considered acid-fast?
5.  What does a positive acid-fast stain look like?
6.  Parfocal lenses allow for us to be able to go between objectives with little adjustment of ___.
A.
B.
C.
7.  What and where is agar from?
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B.
C.
D.
8.  What are things to do while using a bunsen burner?
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B.
C.
9.  What is the total magnification for oil immersion?
A.
B.
C.
10.  What is the purpose of oil immersion?
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B.
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11.  Why are culture tubes held at an angle?
12.  What is the real name of the white-rimmed objective?
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B.
C.
13.  What is the appropriate order of clean up?1. clean stage with used alcohol swab2. clean ocular lenses with alcohol swab and take lense paper to clean/wipe of oculars, polish3. clean yellow, blue, white objectives
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B.
C.
14.  What total magnification does the scanning objective have?
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B.
C.
15.  What color is serratia at room temperature?
16.  What two parts of the microscope are used to carry or support the microscope?
17.  What are five characteristics of bacterial colonial morphologies?
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B.
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F.
G.
18.  What are ways to tell if media is sterile?
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B.
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D.
19.  What are two possible errors which could have occurred if you find your subcultures had no growth after incubation for 48 hours?
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B.
C.
20.  How do you get total magnification (equation)
21.  What are the three optical parts of a microscope?
22.  Red colored objective is called what?
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B.
C.
23.  What is the function of the iris diaphragm?
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B.
24.  What is media?
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B.
C.
25.  Four microscopic morphologies of bacteria?
26.  What two things should you always do to enhance isolation of bacteria?
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B.
C.
27.  What are the functions of the abbe condenser?
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B.
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D.
E.
28.  Four places normal flora exists
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B.
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F.
29.  What is the real name for the yellow-rimmed objective?
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B.
C.
30.  Why should a petri dish not be left open for an extended period of time?
31.  Why is sheep's blood used as media?
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B.
C.
32.  What does streaking for isolation mean?
33.  What is normal flora?
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B.
C.
34.  Purpose of inverting plates during incubation?
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B.
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