Microbiology 020 - General Microbiology » Fall 2020 » Lab Quiz 14

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
The field of medical microbiology only focuses on the microbes that negatively impact human health.
A.   FALSE
B.   TRUE
Question #2
Many microorganisms that live in or on our bodies offer some benefit by…
A.   all of these are correct
B.   competing with other more harmful microorganisms
C.   lowering the high salt concentration of our skin
D.   clearing out waste buildup
Question #3
The three medically-important genera of gram-positive cocci that can cause opportunistic infections include…
A.   Enterococcus
B.   Staphylococcus
C.   Streptococcus
D.   all of these are correct
Question #4
___________ is the field where medicine and microbiology intersect.
A.   Virology
B.   Medical Microbiology
C.   Mycology
D.   Bacteriology
Question #5
Direct microscopic observation of an unknown organism provides the actual species identity of the organism.
A.   FALSE
B.   TRUE
Question #6
What information can you gather from a gram-stain performed on a patient's isolated sample?
A.   The arrangement of the organism
B.   The shape of the organism
C.   All of these are correct
D.   The gram-stain reaction
Question #7
Blood agar has growth factors and complex nutrients that allows for some fastidious organisms to grow. This makes blood agar a(n)…
A.   enrichment medium
B.   differential medium
C.   none of these are correct
D.   selective medium
Question #8
Dichotomous keys are used to assist with identification of unknown organisms. At each level, the chart will offer ______ choices for a bacterial characteristic.
A.   five
B.   two
C.   four
D.   three

Need help with your exam preparation?

Existing Quiz Clients Login here