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Which of the following types of bacteria are responsible for diseases such as cholera?


A) Spirilla
B) Vibrios
C) Staphylococci
D) Bacilli
E) Streptococci

F) A) and B)
G) None of the above

Correct Answer

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


A) keratin
B) mordant
C) agar
D) colony
E) culture

F) A) and C)
G) None of the above

Correct Answer

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Which of the following are bacteria that grow best in the presence of oxygen?


A) Mordants
B) Aerobes
C) Keratins
D) Anaerobes
E) Facultative specimens

F) C) and D)
G) B) and E)

Correct Answer

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Three-year-old Tyler's parents report that he has had a runny nose and a mild cough for the last several days. They brought him to the clinic because the coughing has become "terrible" during the past 24 hours. While getting the history from the parents, you notice a "whoop" sound as Tyler inhales after a severe coughing spell. Which of the following diseases is the most probable cause of Tyler's cough?


A) Tetanus
B) Diphtheria
C) Croup
D) Rubella
E) Pertussis

F) A) and C)
G) C) and D)

Correct Answer

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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

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Procedures for packaging and labeling a specimen for mail delivery are set by ____.


A) OSHA
B) EPA
C) WHO
D) CDC
E) AHA

F) C) and E)
G) A) and E)

Correct Answer

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A specimen may be directly viewed as a(n) ________, in which a specimen is spread thinly and evenly across a slide.

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A distinct group of organisms seen on the surface of the culture medium is called a(n) ________.

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Diplococci bacteria are responsible for causing ____.


A) boils, acne, and abscesses
B) gonorrhea and some forms of meningitis
C) gastroenteritis and tetanus
D) syphilis and Lyme disease
E) tuberculosis.

F) A) and B)
G) A) and C)

Correct Answer

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The organism pictured here spreads bacteria that causes Lyme disease and is considered a ____. The organism pictured here spreads bacteria that causes Lyme disease and is considered a ____.   A)  parasitic insect B)  protozoan C)  rickettsiae D)  parasitic worm E)  chlamydiae


A) parasitic insect
B) protozoan
C) rickettsiae
D) parasitic worm
E) chlamydiae

F) A) and E)
G) B) and C)

Correct Answer

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A specimen may be directly viewed as a(n) ________ ________, which is a preparation of a specimen in a liquid that allows the organisms to remain alive and mobile while they are being identified.

Correct Answer

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Which type of bacteria causes boils, acne, abscesses, food poisoning, and a type of pneumonia?


A) Diplococci
B) Spirilla
C) Staphylococci
D) Streptococci
E) Bacilli

F) C) and E)
G) A) and D)

Correct Answer

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The spiral-shaped bacterium pictured here is classified as a ____. The spiral-shaped bacterium pictured here is classified as a ____.   A)  bacillus B)  coccus C)  spirillum D)  vibrio E)  parasite


A) bacillus
B) coccus
C) spirillum
D) vibrio
E) parasite

F) A) and B)
G) None of the above

Correct Answer

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Which of the following reproduce by budding?


A) Viruses
B) Protozoans
C) Yeasts
D) Molds
E) Parasites

F) B) and E)
G) B) and D)

Correct Answer

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A(n) ________ ________ stain is used to identify bacteria that have a waxy cell wall, such as the bacterium that causes tuberculosis.

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The determination of the type of pathogen on a culture plate is referred to as a(n) ________ analysis of the specimen.

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In which of the following is a specimen spread thinly and unevenly across a slide?


A) Stain
B) Smear
C) Culture
D) Wet mount
E) C&S

F) All of the above
G) B) and C)

Correct Answer

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


A) quantitative analysis
B) sensitivity testing
C) qualitative analysis
D) staining
E) inoculation

F) A) and C)
G) D) and E)

Correct Answer

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Bacteria that grow best in the absence of oxygen are referred to as ________.

Correct Answer

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Which of the following cause eye disease, venereal disease, and a form of pneumonia?


A) Spirilla
B) Rickettsiae
C) Chlamydiae
D) Mycobacteria
E) Mycoplasmas

F) A) and E)
G) A) and B)

Correct Answer

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