Question 1

Of the three diseases caused by Yersinia pestis,only (bubonic/black/pneumonic)plague is communicable between humans.

Accepted Answer

The answer of Of the three diseases caused by Yersinia...

Question 2

Why is treatment with antimicrobial drugs not encouraged in patients with diarrhea caused by enteric bacteria?

Accepted Answer

Antimicrobial treatment of enteric diarr

Question 3

Haemophilus ducreyi is transmitted by sexual contact.

Accepted Answer

A) True 
 B)False

Question 4

Lipid A causes disseminated intravenous coagulation (DIC).

Accepted Answer

A) True 
 B)False

Question 5

Resistance of Pseudomonas to a wide range of antibacterial agents is partly due to its

Accepted Answer

A)  production of exoenzyme S. 
B)  use of the Entner-Doudoroff pathway as its major means of catabolizing glucose. 
C)  ability to utilize a wide range of organic and nitrogen sources. 
D)  ability to metabolize many drugs. 
E)  lack of special requirements for growth. 
A)  production of exoenzyme S. 
B)  use of the Entner-Doudoroff pathway as its major means of catabolizing glucose. 
C)  ability to utilize a wide range of organic and nitrogen sources. 
D)  ability to metabolize many drugs. 
E)  lack of special requirements for growth.

Question 6

Bordetella pertussis produces (adenylate cyclase/dermonecrotic/pertussis)toxin which disrupts blood supply to respiratory tissues.

Accepted Answer

The answer of Bordetella pertussis produces (adenylate cyclase/dermonecrotic/pertussis)toxin which disrupts...

Question 7

Compare and contrast meningococcal meningitis and meningitis caused by Haemophilus,including etiologic agents,pathology,and epidemiology.

Accepted Answer

Both diseases are transmitted in aerosol

Question 8

Shiga toxin kills cells by preventing protein synthesis.

Accepted Answer

A) True 
 B)False

Question 9

Cat scratch disease is caused by Bartonella (bacilliformis/henselae/quintana).

Accepted Answer

The answer of Cat scratch disease is caused by Bartonella...

Question 10

Hemolytic uremic syndrome is caused by

Accepted Answer

A)  Escherichia coli O157:H7. 
B)  Serratia marcescens. 
C)  Proteus mirabilis. 
D)  Bacteroides fragilis. 
E)  Salmonella typhi. 
A)  Escherichia coli O157:H7. 
B)  Serratia marcescens. 
C)  Proteus mirabilis. 
D)  Bacteroides fragilis. 
E)  Salmonella typhi.

Question 11

Humans infected with Brucella species develop ________ characterized by fever,chills,sweating,muscle aches,and headache.

Accepted Answer

A)  rabbit fever 
B)  undulant fever 
C)  trench fever 
D)  Q fever 
E)  cat scratch fever 
A)  rabbit fever 
B)  undulant fever 
C)  trench fever 
D)  Q fever 
E)  cat scratch fever

Question 12

Aerobic bacteria in the genus ________ are important environmental decomposers,able to digest herbicides like Agent Orange and polychlorinated biphenyls (PCBs).

Accepted Answer

A)  Burkholderia 
B)  Coxiella 
C)  Pseudomonas 
D)  Prevotella 
E)  Hafnia 
A)  Burkholderia 
B)  Coxiella 
C)  Pseudomonas 
D)  Prevotella 
E)  Hafnia

Question 13

What is the causative pathogen of Q fever?

Accepted Answer

A)  Bacteroides fragilis 
B)  Prevotella 
C)  Coxiella burnetii 
D)  Moraxella catarrhalis 
E)  Acinetobacter 
A)  Bacteroides fragilis 
B)  Prevotella 
C)  Coxiella burnetii 
D)  Moraxella catarrhalis 
E)  Acinetobacter

Question 14

Which of the following statements regarding Neisseria meningitidis is FALSE?

Accepted Answer

A)  There are vaccines available to prevent infection with all strains. 
B)  Up to 40% of the population are carriers. 
C)  Humans are the only natural carriers. 
D)  Transmission is via respiratory droplets. 
E)  It often causes meningitis. 
A)  There are vaccines available to prevent infection with all strains. 
B)  Up to 40% of the population are carriers. 
C)  Humans are the only natural carriers. 
D)  Transmission is via respiratory droplets. 
E)  It often causes meningitis.

Question 15

The zoonosis (brucellosis/bartonellosis/tularemia)can be acquired by humans in a variety of ways,including insect bites and ingestion of infected animals.

Accepted Answer

The answer of The zoonosis (brucellosis/bartonellosis/tularemia)can be acquired by humans...

Question 16

How is pneumonic plague transmitted?

Accepted Answer

A)  inhalation of respiratory aerosols from a person infected with Yersinia pestis 
B)  bite of a flea carrying Yersinia pestis 
C)  fomite contact 
D)  contact with the blood of a person infected with Yersinia pestis 
E)  bite of a tick carrying Yersinia pestis 
A)  inhalation of respiratory aerosols from a person infected with Yersinia pestis 
B)  bite of a flea carrying Yersinia pestis 
C)  fomite contact 
D)  contact with the blood of a person infected with Yersinia pestis 
E)  bite of a tick carrying Yersinia pestis

Question 17

How do Prevotella differ from Bacteroides?

Accepted Answer

A)  Prevotella are sensitive to bile. 
B)  Prevotella are anaerobic. 
C)  Prevotella are pleomorphic bacilli. 
D)  Prevotella are found in the intestinal, respiratory, and urinary tracts. 
E)  Prevotella possess antiphagocytic capsules. 
A)  Prevotella are sensitive to bile. 
B)  Prevotella are anaerobic. 
C)  Prevotella are pleomorphic bacilli. 
D)  Prevotella are found in the intestinal, respiratory, and urinary tracts. 
E)  Prevotella possess antiphagocytic capsules.

Question 18

Neisseria gonorrhoeae infection in men is

Accepted Answer

A)  usually asymptomatic. 
B)  only symptomatic in advanced stages of disease. 
C)  an acute painful infection with pus discharge. 
D)  symptomatic in about 50% of the population, causing mild urethritis. 
E)  usually a bladder infection. 
A)  usually asymptomatic. 
B)  only symptomatic in advanced stages of disease. 
C)  an acute painful infection with pus discharge. 
D)  symptomatic in about 50% of the population, causing mild urethritis. 
E)  usually a bladder infection.

Question 19

Which of the following statements concerning Pasteurella is FALSE?

Accepted Answer

A)  It is oxidase positive. 
B)  It is nonmotile. 
C)  Humans are typically infected via animal bites. 
D)  It is fastidious in its growth and must be cultivated on blood or chocolate agar. 
E)  It is very resistant to a wide variety of antibacterial drugs including fluoroquinolones. 
A)  It is oxidase positive. 
B)  It is nonmotile. 
C)  Humans are typically infected via animal bites. 
D)  It is fastidious in its growth and must be cultivated on blood or chocolate agar. 
E)  It is very resistant to a wide variety of antibacterial drugs including fluoroquinolones.

Question 20

Which of the following bacteria requires heme for its growth?

Accepted Answer

A)  Salmonella 
B)  Shigella 
C)  Yersinia 
D)  Haemophilus 
E)  Bordetella 
A)  Salmonella 
B)  Shigella 
C)  Yersinia 
D)  Haemophilus 
E)  Bordetella

Exam 20: Pathogenic Gram-Negative Cocci and Bacilli

Of the three diseases caused by Yersinia pestis,only (bubonic/black/pneumonic)plague is communicable between humans.

Why is treatment with antimicrobial drugs not encouraged in patients with diarrhea caused by enteric bacteria?

Haemophilus ducreyi is transmitted by sexual contact.

Lipid A causes disseminated intravenous coagulation (DIC).

Resistance of Pseudomonas to a wide range of antibacterial agents is partly due to its

Bordetella pertussis produces (adenylate cyclase/dermonecrotic/pertussis)toxin which disrupts blood supply to respiratory tissues.

Compare and contrast meningococcal meningitis and meningitis caused by Haemophilus,including etiologic agents,pathology,and epidemiology.

Shiga toxin kills cells by preventing protein synthesis.

Cat scratch disease is caused by Bartonella (bacilliformis/henselae/quintana).

Hemolytic uremic syndrome is caused by

Humans infected with Brucella species develop ________ characterized by fever,chills,sweating,muscle aches,and headache.

Aerobic bacteria in the genus ________ are important environmental decomposers,able to digest herbicides like Agent Orange and polychlorinated biphenyls (PCBs).

What is the causative pathogen of Q fever?

Which of the following statements regarding Neisseria meningitidis is FALSE?

The zoonosis (brucellosis/bartonellosis/tularemia)can be acquired by humans in a variety of ways,including insect bites and ingestion of infected animals.

How is pneumonic plague transmitted?

How do Prevotella differ from Bacteroides?

Neisseria gonorrhoeae infection in men is

Which of the following statements concerning Pasteurella is FALSE?

Which of the following bacteria requires heme for its growth?

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant DNA Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Immune Disorders

Pathogenic Gram Positive Bacteria

Rickettsias, Chlamydias, Spirochetes, and Vibrios

Pathogenic Fungi

Parasitic Protozoa, Helminths, and Arthropod Vectors

Pathogenic DNA Viruses

Pathogenic RNA Viruses

Applied and Environmental Microbiology

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