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