Question 1

Which of the following is the most common staining procedure, which differentiates bacteria according to the chemical composition of their cell walls?

Accepted Answer

A)   Gram stain
B)   Methylene blue stain
C)   Acid-fast stain
D)   Congo red stain
E)   Ziehl-Neelsen stainF) A) and B)
G) All of the above

Question 2

Anaerobes are bacteria that ____.

Accepted Answer

A)   grow best in the presence of oxygen
B)   are identified by biochemical reactions that occur within the cell
C)   grow best in the absence of oxygen
D)   can thrive in an environment either with oxygen or without oxygen
E)   have a waxy cell wallF) A) and E)
G) A) and D)

Question 3

Rick, a 22-year-old patient, has had a bad cough that has lasted almost a month. He says his chest hurts, and he has been coughing up blood. Since his last visit three months ago, he has lost 12 pounds. His temperature is 101.9 °\degree° F. For which of the following diseases might you expect the physician to test?

Accepted Answer

A)   Diphtheria
B)   Measles
C)   Epiglottitis
D)   Hepatitis
E)   Tuberculosis F) All of the above
G) A) and B)

Question 4

Determination of the number of bacteria present in specimens is called ____.

Accepted Answer

A)   quantitative analysis
B)   sensitivity testing
C)   qualitative analysis
D)   staining
E)   inoculationF) D) and E)
G) C) and E)

Question 5

Which of the following is characteristic of resident normal flora?

Accepted Answer

A)   They are normally found on the skin and within the human body.
B)   They have no effect on animals but are dangerous to humans.
C)   They are referred to as pathogenic.
D)   They may lead to serious conditions.
E)   They cause mild infections.F) D) and E)
G) A) and E)

Question 6

A solution of a dye or group of dyes that imparts a color to microorganisms is a ____.

Accepted Answer

A)   smear
B)   wet mount
C)   stain
D)   culture
E)   mediumF) B) and E)
G) A) and E)

Question 7

In cases of a suspected parasitic worm infestation, the physician may request a(n) ________ specimen.

Accepted Answer

The answer of In cases of a suspected parasitic worm...

Question 8

A(n) ________ medium is a substance that contains all the nutrients a particular type of microorganism needs to grow.

Accepted Answer

The answer of A(n) ________ medium is a substance that...

Question 9

A microorganism capable of causing disease is a ____.

Accepted Answer

A)   pathogen
B)   macrophage
C)   nucleotide
D)   nucleoside
E)   symbioteF) None of the above
G) C) and D)

Question 10

A substance that can intensify or deepen the response of a specimen to a stain is called a(n)  ____.

Accepted Answer

A)   keratin
B)   mordant
C)   agar
D)   colony
E)   cultureF) A) and E)
G) C) and E)

Question 11

Which of the following is included in specimen-collection guidelines?

Accepted Answer

A)   One specimen is sufficient for two or more different tests
B)   Obtain a specimen from a site where the organism is least likely to be found
C)   Test the specimen within 10 minutes of collection
D)   Obtain the specimen only after antibiotic therapy has been initiated
E)   Obtain the specimen at a time that allows optimal chance of recovery of the microorganismF) A) and D)
G) A) and B)

Question 12

Which of the following, found in insects such as ticks and mites, are responsible for diseases such as Rocky Mountain spotted fever and typhus?

Accepted Answer

A)   Mycobacteria
B)   Chlamydiae
C)   Mycoplasmas
D)   Rickettsiae
E)   MSRAF) A) and C)
G) B) and D)

Question 13

Semisolid culture media contain a gelatin-like substance derived from seaweed, called ________, which gives them their consistency.

Accepted Answer

The answer of Semisolid culture media contain a gelatin-like substance...

Question 14

A(n) ________ agent is a living microorganism or its toxin that may cause human disease. A label with this and a biohazard symbol must be affixed to a package containing a microbiologic specimen sent through the mail.

Accepted Answer

The answer of A(n) ________ agent is a living microorganism...

Question 15

The comma-shaped bacteria pictured here are ____.

Accepted Answer

A)   bacilli
B)   vibrios
C)   cocci
D)   spirilla
E)   parasitesF) D) and E)
G) A) and E)

Question 16

Which of the following microorganisms cause diseases that are a leading cause of death in developing countries because of lack of proper sanitation?

Accepted Answer

A)   Viruses
B)   Bacteria
C)   Protozoans
D)   Fungi
E)   HelminthsF) C) and D)
G) A) and E)

Question 17

Which of the following are pairs of cocci?

Accepted Answer

A)   Vibrios
B)   Streptococci
C)   Diplococci
D)   Staphylococci
E)   BacilliF) C) and E)
G) C) and D)

Question 18

Iodine is an example of a(n) ________, which is a substance that intensifies or deepens the response of a specimen to a stain.

Accepted Answer

The answer of Iodine is an example of a(n) ________,...

Question 19

The microorganisms pictured here are ____.

Accepted Answer

A)   protozoans
B)   bacteria
C)   fungi
D)   viruses
E)   helminthsF) A) and D)
G) D) and E)

Question 20

A single-celled eukaryotic organism that is generally much larger than bacteria and is found in soil and water is called a(n) _______. These organisms can cause diseases such as malaria and amebic dysentery.

Accepted Answer

The answer of A single-celled eukaryotic organism that is generally...

Exam 47: Microbiology and Disease

Semisolid culture media contain a gelatin-like substance derived from seaweed, called ________, which gives them their consistency.

Correct Answer
verified

In cases of a suspected parasitic worm infestation, the physician may request a(n) ________ specimen.

Correct Answer
verified

Which of the following is the most common staining procedure, which differentiates bacteria according to the chemical composition of their cell walls?

Correct Answer
verified

Correct Answer
verified

Which of the following is characteristic of resident normal flora?

Correct Answer
verified

Which of the following is included in specimen-collection guidelines?

Correct Answer
verified

Which of the following, found in insects such as ticks and mites, are responsible for diseases such as Rocky Mountain spotted fever and typhus?

Correct Answer
verified

A(n) ________ agent is a living microorganism or its toxin that may cause human disease. A label with this and a biohazard symbol must be affixed to a package containing a microbiologic specimen sent through the mail.

Correct Answer
verified

The comma-shaped bacteria pictured here are ____.

Correct Answer
verified

A solution of a dye or group of dyes that imparts a color to microorganisms is a ____.

Correct Answer
verified

A(n) ________ medium is a substance that contains all the nutrients a particular type of microorganism needs to grow.

Correct Answer
verified

A substance that can intensify or deepen the response of a specimen to a stain is called a(n) ____.

Correct Answer
verified

A single-celled eukaryotic organism that is generally much larger than bacteria and is found in soil and water is called a(n) _______. These organisms can cause diseases such as malaria and amebic dysentery.

Correct Answer
verified

Iodine is an example of a(n) ________, which is a substance that intensifies or deepens the response of a specimen to a stain.

Correct Answer
verified

Which of the following microorganisms cause diseases that are a leading cause of death in developing countries because of lack of proper sanitation?

Correct Answer
verified

Anaerobes are bacteria that ____.

Correct Answer
verified

The microorganisms pictured here are ____.

Correct Answer
verified

A microorganism capable of causing disease is a ____.

Correct Answer
verified

Determination of the number of bacteria present in specimens is called ____.

Correct Answer
verified

Which of the following are pairs of cocci?

Correct Answer
verified

Exam 47: Microbiology and Disease

Semisolid culture media contain a gelatin-like substance derived from seaweed, called ________, which gives them their consistency.

Correct AnswerverifiedShow Answer

In cases of a suspected parasitic worm infestation, the physician may request a(n) ________ specimen.

Correct AnswerverifiedShow Answer

Which of the following is the most common staining procedure, which differentiates bacteria according to the chemical composition of their cell walls?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following is characteristic of resident normal flora?

Correct AnswerverifiedShow Answer

Which of the following is included in specimen-collection guidelines?

Correct AnswerverifiedShow Answer

Which of the following, found in insects such as ticks and mites, are responsible for diseases such as Rocky Mountain spotted fever and typhus?

Correct AnswerverifiedShow Answer

A(n) ________ agent is a living microorganism or its toxin that may cause human disease. A label with this and a biohazard symbol must be affixed to a package containing a microbiologic specimen sent through the mail.

Correct AnswerverifiedShow Answer

The comma-shaped bacteria pictured here are ____.

Correct AnswerverifiedShow Answer

A solution of a dye or group of dyes that imparts a color to microorganisms is a ____.

Correct AnswerverifiedShow Answer

A(n) ________ medium is a substance that contains all the nutrients a particular type of microorganism needs to grow.

Correct AnswerverifiedShow Answer

A substance that can intensify or deepen the response of a specimen to a stain is called a(n) ____.

Correct AnswerverifiedShow Answer

A single-celled eukaryotic organism that is generally much larger than bacteria and is found in soil and water is called a(n) _______. These organisms can cause diseases such as malaria and amebic dysentery.

Correct AnswerverifiedShow Answer

Iodine is an example of a(n) ________, which is a substance that intensifies or deepens the response of a specimen to a stain.

Correct AnswerverifiedShow Answer

Which of the following microorganisms cause diseases that are a leading cause of death in developing countries because of lack of proper sanitation?

Correct AnswerverifiedShow Answer

Anaerobes are bacteria that ____.

Correct AnswerverifiedShow Answer

The microorganisms pictured here are ____.

Correct AnswerverifiedShow Answer

A microorganism capable of causing disease is a ____.

Correct AnswerverifiedShow Answer

Determination of the number of bacteria present in specimens is called ____.

Correct AnswerverifiedShow Answer

Which of the following are pairs of cocci?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified