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Exam 1 Review Questions, Portage Microbiology Lecture
Microbiology Exam 1 Review Questions,
Portage Microbiology Lecture Exam 1,
Portage Learning Microbiology Exam #1
Microbiology Exam 1 Review Questions and Answers.
Portage Microbiology Lecture Exam 1 Questions and Answers.
Portage Learning Microbiology Exam #1 Questions and Answers.
Which testing methodology in the United States public health system is
considered the most rapid for detection and differentiation of B. anthracis?
A. PCR
B. ELISA
C. Direct antibody testing
D. Immunochromatographic
A. PCR
Generally speaking, nutritionally variant streptococci require what ingredient not
found in most conventional media?
A. Vitamin B6
B. Blood or blood products
C. Nicotinamide adenine dinucleotide (NAD) enrichment
D. Nalidixic acid and its components
&%@&*($#(*&98oMicrobiology
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Exam 1 Review Questions, Portage Microbiology Lecture Exam 1, Portage Learning Microbiology Exam 1.pdf10/20/2026, 4:09:33 AM
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Exam 1 Review Questions, Portage Microbiology Lecture
A. Vitamin B6
This typical presentation of a black, necrotic lesion known as an eschar is seen in
which type of anthrax?
A. gastrointestinal anthrax
B. injectional anthrax
C. inhalation anthrax
D. cutaneous anthrax
D. cutaneous anthrax
An infected intravenous (IV) catheter tip grew out gram-positive cocci, which
were catalase positive and coagulase negative. The zone size of the novobiocin
disk measured 18 mm. The most likely organism causing infection is:
A. S. epidermidis.
B. S. saprophyticus.
C. S. cohnii.
D. S. hominis.
A. S. epidermidis.
After 48 hours of incubation, black colonies with a dark brown halo are observed
on Tinsdale agar. What type of toxin does this organism produce?
A. Exotoxin
B. Enterotoxin
C. Endotoxin
D. Emetic toxin
A. Exotoxin
&%@&*($#(*&98oMicrobiology
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Exam 1 Review Questions, Portage Microbiology Lecture Exam 1, Portage Learning Microbiology Exam 1.pdf10/20/2026, 4:09:33 AM
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Exam 1 Review Questions, Portage Microbiology Lecture
A middle-aged women presented to the emergency room complaining of
cramping and gastrointestinal discomfort. She had recently attended a family
reunion the past weekend. The event was a picnic where potato salad,
hamburgers, deviled eggs, hot dogs and chips were served. A feces culture was
requested resulting in no growth. What would be the next recommended follow-
up testing?
A. No follow-up testing required
B. Serologic testing for IgM and IgG
C. Treat the patient with ampicillin
D. Collect an additional specimen and attempt to cultivate on specialized media
C. Treat the patient with ampicillin
The Staphylococcaceae staphylococcus that is more likely to cause uncomplicated
urinary tract infections in nonhospitalized hosts, especially sexually active young
women, is:
A. S. aureus.
B. S. saprophyticus.
C. S. intermedius.
D. S. epidermidis.
B. S. saprophyticus.
The microbiologist identified an organism that produces large γ-hemolytic
colonies on blood agar and appears as a gram-variable rod on Gram staining. In
order to further identify the organism, the microbiologist should:
A. complete a biochemical panel and antibiotic sensitivity.
B. no further identification is necessary.
C. report the organism as Bacillus spp.
D. complete a biochemical panel, no antibiotic sensitivity is warranted.
A. complete a biochemical panel and antibiotic sensitivity.
Which species of bacteria is responsible for causing diseases such as rheumatic
fever, glomerulonephritis, and exudative pharyngitis?
&%@&*($#(*&98oMicrobiology
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Exam 1 Review Questions, Portage Microbiology Lecture
Microbiology Exam 1 Review Questions,
Portage Microbiology Lecture Exam 1,
Portage Learning Microbiology Exam #1
Microbiology Exam 1 Review Questions and Answers.
Portage Microbiology Lecture Exam 1 Questions and Answers.
Portage Learning Microbiology Exam #1 Questions and Answers.
Which testing methodology in the United States public health system is
considered the most rapid for detection and differentiation of B. anthracis?
A. PCR
B. ELISA
C. Direct antibody testing
D. Immunochromatographic
A. PCR
Generally speaking, nutritionally variant streptococci require what ingredient not
found in most conventional media?
A. Vitamin B6
B. Blood or blood products
C. Nicotinamide adenine dinucleotide (NAD) enrichment
D. Nalidixic acid and its components
&%@&*($#(*&98oMicrobiology
Page 1https://www.stuvia.com/user/????????????????????"OP@)(@)(*#@(#*@#&*$^&)(*@)$*$(&(Y&*&%Y&*(@)&$(&%*&%*&(&%@&*($#(*&98o
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Exam 1 Review Questions, Portage Microbiology Lecture Exam 1, Portage Learning Microbiology Exam 1.pdf10/20/2026, 4:09:33 AM
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Exam 1 Review Questions, Portage Microbiology Lecture
A. Vitamin B6
This typical presentation of a black, necrotic lesion known as an eschar is seen in
which type of anthrax?
A. gastrointestinal anthrax
B. injectional anthrax
C. inhalation anthrax
D. cutaneous anthrax
D. cutaneous anthrax
An infected intravenous (IV) catheter tip grew out gram-positive cocci, which
were catalase positive and coagulase negative. The zone size of the novobiocin
disk measured 18 mm. The most likely organism causing infection is:
A. S. epidermidis.
B. S. saprophyticus.
C. S. cohnii.
D. S. hominis.
A. S. epidermidis.
After 48 hours of incubation, black colonies with a dark brown halo are observed
on Tinsdale agar. What type of toxin does this organism produce?
A. Exotoxin
B. Enterotoxin
C. Endotoxin
D. Emetic toxin
A. Exotoxin
&%@&*($#(*&98oMicrobiology
Page 2https://www.stuvia.com/user/????????????????????"OP@)(@)(*#@(#*@#&*$^&)(*@)$*$(&(Y&*&%Y&*(@)&$(&%*&%*&(&%@&*($#(*&98o
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Exam 1 Review Questions, Portage Microbiology Lecture
A middle-aged women presented to the emergency room complaining of
cramping and gastrointestinal discomfort. She had recently attended a family
reunion the past weekend. The event was a picnic where potato salad,
hamburgers, deviled eggs, hot dogs and chips were served. A feces culture was
requested resulting in no growth. What would be the next recommended follow-
up testing?
A. No follow-up testing required
B. Serologic testing for IgM and IgG
C. Treat the patient with ampicillin
D. Collect an additional specimen and attempt to cultivate on specialized media
C. Treat the patient with ampicillin
The Staphylococcaceae staphylococcus that is more likely to cause uncomplicated
urinary tract infections in nonhospitalized hosts, especially sexually active young
women, is:
A. S. aureus.
B. S. saprophyticus.
C. S. intermedius.
D. S. epidermidis.
B. S. saprophyticus.
The microbiologist identified an organism that produces large γ-hemolytic
colonies on blood agar and appears as a gram-variable rod on Gram staining. In
order to further identify the organism, the microbiologist should:
A. complete a biochemical panel and antibiotic sensitivity.
B. no further identification is necessary.
C. report the organism as Bacillus spp.
D. complete a biochemical panel, no antibiotic sensitivity is warranted.
A. complete a biochemical panel and antibiotic sensitivity.
Which species of bacteria is responsible for causing diseases such as rheumatic
fever, glomerulonephritis, and exudative pharyngitis?
&%@&*($#(*&98oMicrobiology
Page 3https://www.stuvia.com/user/????????????????????"OP@)(@)(*#@(#*@#&*$^&)(*@)$*$(&(Y&*&%Y&*(@)&$(&%*&%*&(&%@&*($#(*&98o
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Exam 1 Review Questions, Portage Microbiology Lecture Exam 1, Portage Learning Microbiology Exam 1.pdf10/20/2026, 4:09:33 AM
