G282L/MCB2289L Module 07 LearnSmart Lab Quiz

08 Jun G282L/MCB2289L Module 07 LearnSmart Lab Quiz

Question
• 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?