Microbiology 020 - General Microbiology » Fall 2020 » Special Media

Need help with your exam preparation?

Question #1
Match the differential agents with the media. : MAC
A.   sucrose
B.   lactose
C.   mannitol
Question #2
Match the differential agents with the media. : MSA
A.   sucrose
B.   mannitol
C.   lactose
Question #3
Which of the following is (are) the selective agent(s ) for MSA? Choose all that apply.
A.   bile salts
B.   high salt concentration
C.   colistin
D.   crystal violet
Question #4
Which of the following is (are) the selective agent(s ) for MAC? Choose all that apply.,,
A.   high salt concentration
B.   crystal violet
C.   bile salts
D.   nalidixin acid
E.   colistin
Question #5
Which of the following is (are) the selective agent(s ) for CNA? Choose all that apply.,,
A.   nalidixin acid
B.   crystal violet
C.   high salt concentration
D.   bile salts
E.   colistin
Question #6
Match the following: colistin
A.   inhibits nucleic acid synthesis
B.   lactose fermenter
C.   affects membrane function
Question #7
Match the following: nalidixic acid
A.   lactose fermenter
B.   affects membrane function
C.   inhibits nucleic acid synthesis
Question #8
Which of the following selects for gram positive bacteria? Choose all that apply.,,
A.   Columbia CNA
B.   MAC
C.   MSA
Question #9
Which of the following selects for gram negative bacteria? Choose all that apply.
A.   Columbia CNA
B.   MSA
C.   MAC
Question #10
Phenol red is _______ in an acidic environment, while neutral red is ______ .
A.   yellow, pink
B.   orange, pink
C.   yellow, orange
D.   pink,pink

Need help with your exam preparation?