G282L/MCB2289L Module 07 LearnSmart Lab Quiz
G282L/MCB2289L Module 07 LearnSmart Lab Quiz
• Question 1
1 out of 1 points
Which of the following is a characteristic of members of the resident microbiota?
• Question 2
1 out of 1 points
The complete clearing or hemolysis that a bacterial isolate may produce on blood agar is called alpha hemolysis
• Question 3
1 out of 1 points
All of the following body sites normally have large numbers of resident microbiota EXCEPT?
• Question 4
1 out of 1 points
Impetigo, a type of inflammatory skin infection, is caused by__________
• Question 5
1 out of 1 points
The Gram stain is an example of a test that can be used to determine the ______ characteristics of a bacterium?
• Question 6
1 out of 1 points
When a large zone of no growth is found around an antibiotic disc being used for identification purposed, this generally means that the microbe is ______ to the antibiotic
• Question 7
1 out of 1 points
The _________ test involves using rabbit plasma as a reagent and its results are determined by observation of thickening of the medium.
• Question 8
1 out of 1 points
Before attempting to identify an unknown bacterial species, the organism must be isolated in a pure culture.
• Question 9
0 out of 1 points
The absence of hemolysis on a blood agar plate is referred to as _______ hemolysis
• Question 10
1 out of 1 points
Which of the following bacterial species would be most likely to grow in bile esculin medium and hydrolyze the esculin?
• Question 11
1 out of 1 points
All of the following infections are frequently cause by Staphylococcus and Streptococcus species EXCEPT?
• Question 12
1 out of 1 points
A bacterial isolate grown on a mannitol salt agar plate changes the pink agar to yellow and produces bright yellow colonies. This indicates that the isolate is _______ for mannitol fermentation.
• Question 13
1 out of 1 points
Which test utilizes hydrogen peroxide and the observation of gas bubble formation when attempting to identify an unknown bacterium?
• Question 14
1 out of 1 points
Identification of a bacterial species cannot be made on microscopic morphology alone because __________.
• Question 15
1 out of 1 points
The field of study in which medicine and microbiology intersect is known as medical microbiology
• Question 16
1 out of 1 points
How do you determine the species of an unknown bacterium?
• Question 17
1 out of 1 points
A microorganisms that is most often harmless but may occasionally cause infection and disease if defenses are compromised is referred to as an opportunistic pathogen.
• Question 18
1 out of 1 points
Which test uses a medium that is both selective and differential for members of the genus Staphylococcus?
• Question 19
1 out of 1 points
Gram-positive cocci in chains would be called staphylococci.
• Question 20
1 out of 1 points
All of the following are methods that can be used to isolate bacteria from a mixed culture EXCEPT?
