G282L/MCB2289L Module 07 LearnSmart Lab Quiz

Question # 00712656 Posted By: neil2103 Updated on: 11/17/2018 07:32 PM Due on: 11/18/2018
Subject Biology Topic Biochemistry Tutorials:
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•             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?                                         

                                               

 

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  1. Tutorial # 00712867 Posted By: neil2103 Posted on: 11/17/2018 07:33 PM
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