Microbiology Lab Exam #1

34 Questions  I  By Caitlin.mumaw
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 does a positive acid-fast stain look like?
2.  How do you get total magnification (equation)
3.  What is normal flora?
A.
B.
C.
4.  Red colored objective is called what?
A.
B.
C.
5.  What and where is agar from?
A.
B.
C.
D.
6.  What is the total magnification for oil immersion?
A.
B.
C.
7.  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
A.
B.
C.
8.  What are the functions of the abbe condenser?
A.
B.
C.
D.
E.
9.  Purpose of inverting plates during incubation?
A.
B.
10.  What is the total magnification for low-dry?
A.
B.
C.
11.  What is the real name of the white-rimmed objective?
A.
B.
C.
12.  What is media?
A.
B.
C.
13.  What total magnification does the scanning objective have?
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B.
C.
14.  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.
15.  What are the three optical parts of a microscope?
16.  What is the purpose of oil immersion?
A.
B.
17.  What is the real name for the yellow-rimmed objective?
A.
B.
C.
18.  What two things should you always do to enhance isolation of bacteria?
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B.
C.
19.  What is the total magnification for high-dry?
A.
B.
C.
20.  Four places normal flora exists
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B.
C.
D.
E.
F.
21.  Why should a petri dish not be left open for an extended period of time?
22.  What is the function of the iris diaphragm?
A.
B.
23.  What two parts of the microscope are used to carry or support the microscope?
24.  Parfocal lenses allow for us to be able to go between objectives with little adjustment of ___.
A.
B.
C.
25.  What is the real name for the blue-rimmed objective?
A.
B.
C.
26.  Four microscopic morphologies of bacteria?
27.  Why are culture tubes held at an angle?
28.  What does streaking for isolation mean?
29.  What are ways to tell if media is sterile?
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B.
C.
D.
30.  What are five characteristics of bacterial colonial morphologies?
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B.
C.
D.
E.
F.
G.
31.  What are things to do while using a bunsen burner?
A.
B.
C.
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32.  What color is serratia at room temperature?
33.  Why is sheep's blood used as media?
A.
B.
C.
34.  What group of organisms are considered acid-fast?
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